This introduces device managed versions of functions used to register
remoteproc devices, add support for remoteproc driver specific resource
control, enables remoteproc drivers to specify ELF class and machine for
coredumps. It integrates pm_runtime in the core for keeping resources
active while the remote is booted and holds a wake source while
recoverying a remote processor after a firmware crash.
It refactors the remoteproc device's allocation path to simplify the
logic, fix a few cleanup bugs and to not clone const strings onto the
heap. Debugfs code is simplifies using the DEFINE_SHOW_ATTRIBUTE and a
zero-length array is replaced with flexible-array.
A new remoteproc driver for the JZ47xx VPU is introduced, the Qualcomm
SM8250 gains support for audio, compute and sensor remoteprocs and the
Qualcomm SC7180 modem support is cleaned up and improved.
The Qualcomm glink subsystem-restart driver is merged into the main
glink driver, the Qualcomm sysmon driver is extended to properly notify
remote processors about all other remote processors' state transitions.
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Merge tag 'rproc-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
"This introduces device managed versions of functions used to register
remoteproc devices, add support for remoteproc driver specific
resource control, enables remoteproc drivers to specify ELF class and
machine for coredumps. It integrates pm_runtime in the core for
keeping resources active while the remote is booted and holds a wake
source while recoverying a remote processor after a firmware crash.
It refactors the remoteproc device's allocation path to simplify the
logic, fix a few cleanup bugs and to not clone const strings onto the
heap. Debugfs code is simplifies using the DEFINE_SHOW_ATTRIBUTE and a
zero-length array is replaced with flexible-array.
A new remoteproc driver for the JZ47xx VPU is introduced, the Qualcomm
SM8250 gains support for audio, compute and sensor remoteprocs and the
Qualcomm SC7180 modem support is cleaned up and improved.
The Qualcomm glink subsystem-restart driver is merged into the main
glink driver, the Qualcomm sysmon driver is extended to properly
notify remote processors about all other remote processors' state
transitions"
* tag 'rproc-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: (43 commits)
remoteproc: Fix an error code in devm_rproc_alloc()
MAINTAINERS: Add myself as reviewer for Ingenic rproc driver
remoteproc: ingenic: Added remoteproc driver
remoteproc: Add support for runtime PM
dt-bindings: Document JZ47xx VPU auxiliary processor
remoteproc: wcss: Fix arguments passed to qcom_add_glink_subdev()
remoteproc: Fix and restore the parenting hierarchy for vdev
remoteproc: Fall back to using parent memory pool if no dedicated available
remoteproc: Replace zero-length array with flexible-array
remoteproc: wcss: add support for rpmsg communication
remoteproc: core: Prevent system suspend during remoteproc recovery
remoteproc: qcom_q6v5_mss: Remove unused q6v5_da_to_va function
remoteproc: qcom_q6v5_mss: map/unmap mpss segments before/after use
remoteproc: qcom_q6v5_mss: Drop accesses to MPSS PERPH register space
dt-bindings: remoteproc: qcom: Replace halt-nav with spare-regs
remoteproc: qcom: pas: Add SM8250 PAS remoteprocs
dt-bindings: remoteproc: qcom: pas: Add SM8250 remoteprocs
remoteproc: qcom_q6v5_mss: Extract mba/mpss from memory-region
dt-bindings: remoteproc: qcom: Use memory-region to reference memory
remoteproc: qcom: pas: Add SC7180 Modem support
...
Here is the large set of char/misc driver patches for 5.8-rc1
Included in here are:
- habanalabs driver updates, loads
- mhi bus driver updates
- extcon driver updates
- clk driver updates (approved by the clock maintainer)
- firmware driver updates
- fpga driver updates
- gnss driver updates
- coresight driver updates
- interconnect driver updates
- parport driver updates (it's still alive!)
- nvmem driver updates
- soundwire driver updates
- visorbus driver updates
- w1 driver updates
- various misc driver updates
In short, loads of different driver subsystem updates along with the
drivers as well.
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the large set of char/misc driver patches for 5.8-rc1
Included in here are:
- habanalabs driver updates, loads
- mhi bus driver updates
- extcon driver updates
- clk driver updates (approved by the clock maintainer)
- firmware driver updates
- fpga driver updates
- gnss driver updates
- coresight driver updates
- interconnect driver updates
- parport driver updates (it's still alive!)
- nvmem driver updates
- soundwire driver updates
- visorbus driver updates
- w1 driver updates
- various misc driver updates
In short, loads of different driver subsystem updates along with the
drivers as well.
All have been in linux-next for a while with no reported issues"
* tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (233 commits)
habanalabs: correctly cast u64 to void*
habanalabs: initialize variable to default value
extcon: arizona: Fix runtime PM imbalance on error
extcon: max14577: Add proper dt-compatible strings
extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()'
extcon: remove redundant assignment to variable idx
w1: omap-hdq: print dev_err if irq flags are not cleared
w1: omap-hdq: fix interrupt handling which did show spurious timeouts
w1: omap-hdq: fix return value to be -1 if there is a timeout
w1: omap-hdq: cleanup to add missing newline for some dev_dbg
/dev/mem: Revoke mappings when a driver claims the region
misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()
misc: xilinx-sdfec: cleanup return value in xsdfec_table_write()
misc: xilinx-sdfec: improve get_user_pages_fast() error handling
nvmem: qfprom: remove incorrect write support
habanalabs: handle MMU cache invalidation timeout
habanalabs: don't allow hard reset with open processes
habanalabs: GAUDI does not support soft-reset
habanalabs: add print for soft reset due to event
habanalabs: improve MMU cache invalidation code
...
* The remainder of the code necessary to support the Kendryte K210.
* Support for building device trees into the kernel, as the K210 doesn't
have a bootloader that provides one.
* A K210 device tree and the associated defconfig update.
* Support for skipping PMP initialization on systems that trap on PMP
accesses rather than treating them as WARL.
* Support for KGDB.
* Improvements to text patching.
* Some cleanups to the SiFive L2 cache driver.
I may have a second part, but I wanted to get this out earlier rather than
later as they've been ready to go for a while now.
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Merge tag 'riscv-for-linus-5.8-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- The remainder of the code necessary to support the Kendryte K210:
* Support for building device trees into the kernel, as the K210
doesn't have a bootloader that provides one
* A K210 device tree and the associated defconfig update
* Support for skipping PMP initialization on systems that trap on
PMP accesses rather than treating them as WARL
- Support for KGDB
- Improvements to text patching
- Some cleanups to the SiFive L2 cache driver
* tag 'riscv-for-linus-5.8-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
soc: sifive: l2 cache: Mark l2_get_priv_group as static
soc: sifive: l2 cache: Eliminate an unsigned zero compare warning
riscv: Add support to determine no. of L2 cache way enabled
riscv: cacheinfo: Implement cache_get_priv_group with a generic ops structure
riscv: Use text_mutex instead of patch_lock
riscv: Use NOKPROBE_SYMBOL() instead of __krpobes annotation
riscv: Remove the 'riscv_' prefix of function name
riscv: Add SW single-step support for KDB
riscv: Use the XML target descriptions to report 3 system registers
riscv: Add KGDB support
kgdb: Add kgdb_has_hit_break function
RISC-V: Skip setting up PMPs on traps
riscv: K210: Update defconfig
riscv: K210: Add a built-in device tree
riscv: Allow device trees to be built into the kernel
These are updates to SoC specific drivers that did not have
another subsystem maintainer tree to go through for some
reason:
- Some bus and memory drivers for the MIPS P5600 based
Baikal-T1 SoC that is getting added through the MIPS tree.
- There are new soc_device identification drivers for TI K3,
Qualcomm MSM8939
- New reset controller drivers for NXP i.MX8MP, Renesas
RZ/G1H, and Hisilicon hi6220
- The SCMI firmware interface can now work across ARM SMC/HVC
as a transport.
- Mediatek platforms now use a new driver for their "MMSYS"
hardware block that controls clocks and some other aspects
in behalf of the media and gpu drivers.
- Some Tegra processors have improved power management
support, including getting woken up by the PMIC and cluster
power down during idle.
- A new v4l staging driver for Tegra is added.
- Cleanups and minor bugfixes for TI, NXP, Hisilicon,
Mediatek, and Tegra.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM/SoC driver updates from Arnd Bergmann:
"These are updates to SoC specific drivers that did not have another
subsystem maintainer tree to go through for some reason:
- Some bus and memory drivers for the MIPS P5600 based Baikal-T1 SoC
that is getting added through the MIPS tree.
- There are new soc_device identification drivers for TI K3, Qualcomm
MSM8939
- New reset controller drivers for NXP i.MX8MP, Renesas RZ/G1H, and
Hisilicon hi6220
- The SCMI firmware interface can now work across ARM SMC/HVC as a
transport.
- Mediatek platforms now use a new driver for their "MMSYS" hardware
block that controls clocks and some other aspects in behalf of the
media and gpu drivers.
- Some Tegra processors have improved power management support,
including getting woken up by the PMIC and cluster power down
during idle.
- A new v4l staging driver for Tegra is added.
- Cleanups and minor bugfixes for TI, NXP, Hisilicon, Mediatek, and
Tegra"
* tag 'arm-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (155 commits)
clk: sprd: fix compile-testing
bus: bt1-axi: Build the driver into the kernel
bus: bt1-apb: Build the driver into the kernel
bus: bt1-axi: Use sysfs_streq instead of strncmp
bus: bt1-axi: Optimize the return points in the driver
bus: bt1-apb: Use sysfs_streq instead of strncmp
bus: bt1-apb: Use PTR_ERR_OR_ZERO to return from request-regs method
bus: bt1-apb: Fix show/store callback identations
bus: bt1-apb: Include linux/io.h
dt-bindings: memory: Add Baikal-T1 L2-cache Control Block binding
memory: Add Baikal-T1 L2-cache Control Block driver
bus: Add Baikal-T1 APB-bus driver
bus: Add Baikal-T1 AXI-bus driver
dt-bindings: bus: Add Baikal-T1 APB-bus binding
dt-bindings: bus: Add Baikal-T1 AXI-bus binding
staging: tegra-video: fix V4L2 dependency
tee: fix crypto select
drivers: soc: ti: knav_qmss_queue: Make knav_gp_range_ops static
soc: ti: add k3 platforms chipid module driver
dt-bindings: soc: ti: add binding for k3 platforms chipid module
...
One new platform gets added, the Realtek RTD1195, which is an older
Cortex-a7 based relative of the RTD12xx chips that are already supported
in arch/arm64. The platform may also be extended to support running
32-bit kernels on those 64-bit chips for memory-constrained machines.
In the Renesas shmobile platform, we gain support for "RZ/G1H" or R8A7742,
an eight-core chip based on Cortex-A15 and Cortex-A7 cores, originally
released in 2016 as one of the last high-end 32-bit designs.
There is ongoing cleanup for the integrator, tegra, imx, and omap2
platforms, with integrator getting very close to the goal of having
zero code in arch/arm/, and omap2 moving more of the chip specifics
from old board code into device tree files.
The Versatile Express platform is made more modular, with built-in
drivers now becoming loadable modules. This is part of a greater effort
for the Android OS to have a common kernel binary for all platforms and
any platform specific code in loadable modules.
The PXA platform drops support for Compulab's pxa2xx boards that had
rather unusual flash and PCI drivers but no known users remaining.
All device drivers specific to those boards can now get removed as
well.
Across platforms, there is ongoing cleanup, with Geert and Rob
revisiting some a lot of Kconfig options.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"One new platform gets added, the Realtek RTD1195, which is an older
Cortex-a7 based relative of the RTD12xx chips that are already
supported in arch/arm64. The platform may also be extended to support
running 32-bit kernels on those 64-bit chips for memory-constrained
machines.
In the Renesas shmobile platform, we gain support for "RZ/G1H" or
R8A7742, an eight-core chip based on Cortex-A15 and Cortex-A7 cores,
originally released in 2016 as one of the last high-end 32-bit
designs.
There is ongoing cleanup for the integrator, tegra, imx, and omap2
platforms, with integrator getting very close to the goal of having
zero code in arch/arm/, and omap2 moving more of the chip specifics
from old board code into device tree files.
The Versatile Express platform is made more modular, with built-in
drivers now becoming loadable modules. This is part of a greater
effort for the Android OS to have a common kernel binary for all
platforms and any platform specific code in loadable modules.
The PXA platform drops support for Compulab's pxa2xx boards that had
rather unusual flash and PCI drivers but no known users remaining. All
device drivers specific to those boards can now get removed as well.
Across platforms, there is ongoing cleanup, with Geert and Rob
revisiting some a lot of Kconfig options"
* tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (94 commits)
ARM: omap2: fix omap5_realtime_timer_init definition
ARM: zynq: Don't select CONFIG_ICST
ARM: OMAP2+: Fix regression for using local timer on non-SMP SoCs
clk: versatile: Fix kconfig dependency on COMMON_CLK_VERSATILE
ARM: davinci: fix build failure without I2C
power: reset: vexpress: fix build issue
power: vexpress: cleanup: use builtin_platform_driver
power: vexpress: add suppress_bind_attrs to true
Revert "ARM: vexpress: Don't select VEXPRESS_CONFIG"
MAINTAINERS: pxa: remove Compulab arm/pxa support
ARM: pxa: remove Compulab pxa2xx boards
bus: arm-integrator-lm: Fix return value check in integrator_ap_lm_probe()
soc: imx: move cpu code to drivers/soc/imx
ARM: imx: move cpu definitions into a header
ARM: imx: use device_initcall for imx_soc_device_init
ARM: imx: pcm037: make pcm970_sja1000_platform_data static
bus: ti-sysc: Timers no longer need legacy quirk handling
ARM: OMAP2+: Drop old timer code for dmtimer and 32k counter
ARM: dts: Configure system timers for omap2
ARM: dts: Configure system timers for ti81xx
...
Pull networking updates from David Miller:
1) Allow setting bluetooth L2CAP modes via socket option, from Luiz
Augusto von Dentz.
2) Add GSO partial support to igc, from Sasha Neftin.
3) Several cleanups and improvements to r8169 from Heiner Kallweit.
4) Add IF_OPER_TESTING link state and use it when ethtool triggers a
device self-test. From Andrew Lunn.
5) Start moving away from custom driver versions, use the globally
defined kernel version instead, from Leon Romanovsky.
6) Support GRO vis gro_cells in DSA layer, from Alexander Lobakin.
7) Allow hard IRQ deferral during NAPI, from Eric Dumazet.
8) Add sriov and vf support to hinic, from Luo bin.
9) Support Media Redundancy Protocol (MRP) in the bridging code, from
Horatiu Vultur.
10) Support netmap in the nft_nat code, from Pablo Neira Ayuso.
11) Allow UDPv6 encapsulation of ESP in the ipsec code, from Sabrina
Dubroca. Also add ipv6 support for espintcp.
12) Lots of ReST conversions of the networking documentation, from Mauro
Carvalho Chehab.
13) Support configuration of ethtool rxnfc flows in bcmgenet driver,
from Doug Berger.
14) Allow to dump cgroup id and filter by it in inet_diag code, from
Dmitry Yakunin.
15) Add infrastructure to export netlink attribute policies to
userspace, from Johannes Berg.
16) Several optimizations to sch_fq scheduler, from Eric Dumazet.
17) Fallback to the default qdisc if qdisc init fails because otherwise
a packet scheduler init failure will make a device inoperative. From
Jesper Dangaard Brouer.
18) Several RISCV bpf jit optimizations, from Luke Nelson.
19) Correct the return type of the ->ndo_start_xmit() method in several
drivers, it's netdev_tx_t but many drivers were using
'int'. From Yunjian Wang.
20) Add an ethtool interface for PHY master/slave config, from Oleksij
Rempel.
21) Add BPF iterators, from Yonghang Song.
22) Add cable test infrastructure, including ethool interfaces, from
Andrew Lunn. Marvell PHY driver is the first to support this
facility.
23) Remove zero-length arrays all over, from Gustavo A. R. Silva.
24) Calculate and maintain an explicit frame size in XDP, from Jesper
Dangaard Brouer.
25) Add CAP_BPF, from Alexei Starovoitov.
26) Support terse dumps in the packet scheduler, from Vlad Buslov.
27) Support XDP_TX bulking in dpaa2 driver, from Ioana Ciornei.
28) Add devm_register_netdev(), from Bartosz Golaszewski.
29) Minimize qdisc resets, from Cong Wang.
30) Get rid of kernel_getsockopt and kernel_setsockopt in order to
eliminate set_fs/get_fs calls. From Christoph Hellwig.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2517 commits)
selftests: net: ip_defrag: ignore EPERM
net_failover: fixed rollback in net_failover_open()
Revert "tipc: Fix potential tipc_aead refcnt leak in tipc_crypto_rcv"
Revert "tipc: Fix potential tipc_node refcnt leak in tipc_rcv"
vmxnet3: allow rx flow hash ops only when rss is enabled
hinic: add set_channels ethtool_ops support
selftests/bpf: Add a default $(CXX) value
tools/bpf: Don't use $(COMPILE.c)
bpf, selftests: Use bpf_probe_read_kernel
s390/bpf: Use bcr 0,%0 as tail call nop filler
s390/bpf: Maintain 8-byte stack alignment
selftests/bpf: Fix verifier test
selftests/bpf: Fix sample_cnt shared between two threads
bpf, selftests: Adapt cls_redirect to call csum_level helper
bpf: Add csum_level helper for fixing up csum levels
bpf: Fix up bpf_skb_adjust_room helper's skb csum setting
sfc: add missing annotation for efx_ef10_try_update_nic_stats_vf()
crypto/chtls: IPv6 support for inline TLS
Crypto/chcr: Fixes a coccinile check error
Crypto/chcr: Fixes compilations warnings
...
- Rework the system-wide PM driver flags to make them easier to
understand and use and update their documentation (Rafael Wysocki,
Alan Stern).
- Allow cpuidle governors to be switched at run time regardless of
the kernel configuration and update the related documentation
accordingly (Hanjun Guo).
- Improve the resume device handling in the user space hibernarion
interface code (Domenico Andreoli).
- Document the intel-speed-select sysfs interface (Srinivas
Pandruvada).
- Make the ACPI code handing suspend to idle print more debug
messages to help diagnose issues with it (Rafael Wysocki).
- Fix a helper routine in the cpufreq core and correct a typo in
the struct cpufreq_driver kerneldoc comment (Rafael Wysocki, Wang
Wenhu).
- Update cpufreq drivers:
* Make the intel_pstate driver start in the passive mode by
default on systems without HWP (Rafael Wysocki).
* Add i.MX7ULP support to the imx-cpufreq-dt driver and add
i.MX7ULP to the cpufreq-dt-platdev blacklist (Peng Fan).
* Convert the qoriq cpufreq driver to a platform one, make the
platform code create a suitable device object for it and add
platform dependencies to it (Mian Yousaf Kaukab, Geert
Uytterhoeven).
* Fix wrong compatible binding in the qcom driver (Ansuel Smith).
* Build the omap driver by default for ARCH_OMAP2PLUS (Anders
Roxell).
* Add r8a7742 SoC support to the dt cpufreq driver (Lad Prabhakar).
- Update cpuidle core and drivers:
* Fix three reference count leaks in error code paths in the
cpuidle core (Qiushi Wu).
* Convert Qualcomm SPM to a generic cpuidle driver (Stephan
Gerhold).
* Fix up the execution order when entering a domain idle state in
the PSCI driver (Ulf Hansson).
- Fix a reference counting issue related to clock management and
clean up two oddities in the PM-runtime framework (Rafael Wysocki,
Andy Shevchenko).
- Add ElkhartLake support to the Intel RAPL power capping driver
and remove an unused local MSR definition from it (Jacob Pan,
Sumeet Pawnikar).
- Update devfreq core and drivers:
* Replace strncpy() with strscpy() in the devfreq core and use
lockdep asserts instead of manual checks for a locked mutex in
it (Dmitry Osipenko, Krzysztof Kozlowski).
* Add a generic imx bus scaling driver and make it register an
interconnect device (Leonard Crestez, Gustavo A. R. Silva).
* Make the cpufreq notifier in the tegra30 driver take boosting
into account and delete an unuseful error message from that
driver (Dmitry Osipenko, Markus Elfring).
- Remove unneeded semicolon from the cpupower code (Zou Wei).
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Merge tag 'pm-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These rework the system-wide PM driver flags, make runtime switching
of cpuidle governors easier, improve the user space hibernation
interface code, add intel-speed-select interface documentation, add
more debug messages to the ACPI code handling suspend to idle, update
the cpufreq core and drivers, fix a minor issue in the cpuidle core
and update two cpuidle drivers, improve the PM-runtime framework,
update the Intel RAPL power capping driver, update devfreq core and
drivers, and clean up the cpupower utility.
Specifics:
- Rework the system-wide PM driver flags to make them easier to
understand and use and update their documentation (Rafael Wysocki,
Alan Stern).
- Allow cpuidle governors to be switched at run time regardless of
the kernel configuration and update the related documentation
accordingly (Hanjun Guo).
- Improve the resume device handling in the user space hibernarion
interface code (Domenico Andreoli).
- Document the intel-speed-select sysfs interface (Srinivas
Pandruvada).
- Make the ACPI code handing suspend to idle print more debug
messages to help diagnose issues with it (Rafael Wysocki).
- Fix a helper routine in the cpufreq core and correct a typo in the
struct cpufreq_driver kerneldoc comment (Rafael Wysocki, Wang
Wenhu).
- Update cpufreq drivers:
- Make the intel_pstate driver start in the passive mode by
default on systems without HWP (Rafael Wysocki).
- Add i.MX7ULP support to the imx-cpufreq-dt driver and add
i.MX7ULP to the cpufreq-dt-platdev blacklist (Peng Fan).
- Convert the qoriq cpufreq driver to a platform one, make the
platform code create a suitable device object for it and add
platform dependencies to it (Mian Yousaf Kaukab, Geert
Uytterhoeven).
- Fix wrong compatible binding in the qcom driver (Ansuel Smith).
- Build the omap driver by default for ARCH_OMAP2PLUS (Anders
Roxell).
- Add r8a7742 SoC support to the dt cpufreq driver (Lad
Prabhakar).
- Update cpuidle core and drivers:
- Fix three reference count leaks in error code paths in the
cpuidle core (Qiushi Wu).
- Convert Qualcomm SPM to a generic cpuidle driver (Stephan
Gerhold).
- Fix up the execution order when entering a domain idle state in
the PSCI driver (Ulf Hansson).
- Fix a reference counting issue related to clock management and
clean up two oddities in the PM-runtime framework (Rafael Wysocki,
Andy Shevchenko).
- Add ElkhartLake support to the Intel RAPL power capping driver and
remove an unused local MSR definition from it (Jacob Pan, Sumeet
Pawnikar).
- Update devfreq core and drivers:
- Replace strncpy() with strscpy() in the devfreq core and use
lockdep asserts instead of manual checks for a locked mutex in
it (Dmitry Osipenko, Krzysztof Kozlowski).
- Add a generic imx bus scaling driver and make it register an
interconnect device (Leonard Crestez, Gustavo A. R. Silva).
- Make the cpufreq notifier in the tegra30 driver take boosting
into account and delete an unuseful error message from that
driver (Dmitry Osipenko, Markus Elfring).
- Remove unneeded semicolon from the cpupower code (Zou Wei)"
* tag 'pm-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (51 commits)
cpuidle: Fix three reference count leaks
PM: runtime: Replace pm_runtime_callbacks_present()
PM / devfreq: Use lockdep asserts instead of manual checks for locked mutex
PM / devfreq: imx-bus: Fix inconsistent IS_ERR and PTR_ERR
PM / devfreq: Replace strncpy with strscpy
PM / devfreq: imx: Register interconnect device
PM / devfreq: Add generic imx bus scaling driver
PM / devfreq: tegra30: Delete an error message in tegra_devfreq_probe()
PM / devfreq: tegra30: Make CPUFreq notifier to take into account boosting
PM: hibernate: Restrict writes to the resume device
PM: runtime: clk: Fix clk_pm_runtime_get() error path
cpuidle: Convert Qualcomm SPM driver to a generic CPUidle driver
ACPI: EC: PM: s2idle: Extend GPE dispatching debug message
ACPI: PM: s2idle: Print type of wakeup debug messages
powercap: RAPL: remove unused local MSR define
PM: runtime: Make clear what we do when conditions are wrong in rpm_suspend()
Documentation: admin-guide: pm: Document intel-speed-select
PM: hibernate: Split off snapshot dev option
PM: hibernate: Incorporate concurrency handling
Documentation: ABI: make current_governer_ro as a candidate for removal
...
xdp_umem.c had overlapping changes between the 64-bit math fix
for the calculation of npgs and the removal of the zerocopy
memory type which got rid of the chunk_size_nohdr member.
The mlx5 Kconfig conflict is a case where we just take the
net-next copy of the Kconfig entry dependency as it takes on
the ESWITCH dependency by one level of indirection which is
what the 'net' conflicting change is trying to ensure.
Signed-off-by: David S. Miller <davem@davemloft.net>
The kbuild test robot is firing a warning over a missing prototype. The
function can just be static.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Fix the following sparse warning:
drivers/soc/ti/knav_qmss_queue.c:412:23: warning: symbol 'knav_gp_range_ops' was not declared.
The knav_acc_firmwares has only call site within knav_qmss_queue.c
It should be static
Fixes: 41f93af900 ("soc: ti: add Keystone Navigator QMSS driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Samuel Zou <zou_wei@huawei.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The Texas Instruments K3 Multicore SoC platforms have chipid module which
is represented by CTRLMMR_xxx_JTAGID register and contains information
about SoC id and revision.
Bits:
31-28 VARIANT Device variant
27-12 PARTNO Part number
11-1 MFG Indicates TI as manufacturer (0x17)
1 Always 1
This patch adds corresponding driver to identify the TI K3 SoC family and
revision, and registers this information with the SoC bus. It is available
under /sys/devices/soc0/ for user space, and can be checked, where needed,
in Kernel using soc_device_match().
Identification is done by:
- checking MFG to be TI ID
- retrieving Device variant (revision)
- retrieving Part number and convert it to the family
- retrieving machine from DT "/model"
Example J721E:
# cat /sys/devices/soc0/{machine,family,revision}
Texas Instruments K3 J721E SoC
J721E
SR1.0
Example AM65x:
# cat /sys/devices/soc0/{machine,family,revision}
Texas Instruments AM654 Base Board
AM65X
SR1.0
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The Qualcomm SPM cpuidle driver seems to be the last driver still
using the generic ARM CPUidle infrastructure.
Converting it actually allows us to simplify the driver,
and we end up being able to remove more lines than adding new ones:
- We can parse the CPUidle states in the device tree directly
with dt_idle_states (and don't need to duplicate that
functionality into the spm driver).
- Each "saw" device managed by the SPM driver now directly
registers its own cpuidle driver, removing the need for
any global (per cpu) state.
The device tree binding is the same, so the driver stays
compatible with all old device trees.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Add soc device support for Vybrid/VF platform.
- Move the i.MX soc device registration code from mach-imx to
drivers/soc/imx for possible future consolidation with i.MX8 code.
- A small fixup to make pcm970_sja1000_platform_data static.
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Merge tag 'imx-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/soc
i.MX SoC changes for 5.8:
- Add soc device support for Vybrid/VF platform.
- Move the i.MX soc device registration code from mach-imx to
drivers/soc/imx for possible future consolidation with i.MX8 code.
- A small fixup to make pcm970_sja1000_platform_data static.
* tag 'imx-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: move cpu code to drivers/soc/imx
ARM: imx: move cpu definitions into a header
ARM: imx: use device_initcall for imx_soc_device_init
ARM: imx: pcm037: make pcm970_sja1000_platform_data static
ARM: vf610: report soc info via soc device
Link: https://lore.kernel.org/r/20200523032516.11016-2-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Optimize imx-scu driver to use one TX and one RX instead of four for
talking to SCU.
- Fix one possible message header corruption where the response is
longer than the request.
- Move System Control defines into dt-bindings header, so that DT can
use them as well.
- A couple of small fixups.
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Merge tag 'imx-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers update for 5.8:
- Optimize imx-scu driver to use one TX and one RX instead of four for
talking to SCU.
- Fix one possible message header corruption where the response is
longer than the request.
- Move System Control defines into dt-bindings header, so that DT can
use them as well.
- A couple of small fixups.
* tag 'imx-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
firmware: imx: scu: Fix possible memory leak in imx_scu_probe()
dt-bindings: firmware: imx: Add more system controls and PM clock types
dt-bindings: firmware: imx: Move system control into dt-binding headfile
firmware: imx: scu: Fix corruption of header
firmware: imx-scu: Support one TX and one RX
soc: imx8m: No need to put node when of_find_compatible_node() failed
Link: https://lore.kernel.org/r/20200523032516.11016-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Enables Tegra210, Tegra186 and Tegra194 to be woken from suspend by the
PMIC and exports a bit more information about SoCs via sysfs.
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Merge tag 'tegra-for-5.8-soc-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
soc/tegra: Changes for v5.8-rc1
Enables Tegra210, Tegra186 and Tegra194 to be woken from suspend by the
PMIC and exports a bit more information about SoCs via sysfs.
* tag 'tegra-for-5.8-soc-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Enable PMIC wake event on Tegra210
soc: tegra: Fix tegra_pmc_get_suspend_mode definition
soc/tegra: pmc: Enable PMIC wake event on Tegra194
soc/tegra: pmc: Select GENERIC_PINCONF
soc/tegra: fuse: Update the SoC revision attribute to display a name
soc/tegra: fuse: Trivial clean-up of tegra_init_revision()
soc/tegra: fuse: Add custom SoC attributes
soc/tegra: pmc: Enable PMIC wake event on Tegra186
Link: https://lore.kernel.org/r/20200522142846.2376224-2-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This contains a large set of cleanups, bug fixes, general improvements
and documentation fixes for the RPMH driver. It adds a debugfs mechanism
for inspecting Command DB. Socinfo got the "soc_id" attribute defines
and definitions for a various variants of MSM8939.
RPMH, RPMPD and RPMHPD where made possible to build as modules, but RPMH
had to be reverted due to a compilation issue when tracing is enabled.
RPMHPD gained power-domains for the SM8250 voltage corners.
The SCM driver gained fixes for two build warnings and the SMP2P had an
unnecessary error print removed.
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Merge tag 'qcom-drivers-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm driver updates for v5.8
This contains a large set of cleanups, bug fixes, general improvements
and documentation fixes for the RPMH driver. It adds a debugfs mechanism
for inspecting Command DB. Socinfo got the "soc_id" attribute defines
and definitions for a various variants of MSM8939.
RPMH, RPMPD and RPMHPD where made possible to build as modules, but RPMH
had to be reverted due to a compilation issue when tracing is enabled.
RPMHPD gained power-domains for the SM8250 voltage corners.
The SCM driver gained fixes for two build warnings and the SMP2P had an
unnecessary error print removed.
* tag 'qcom-drivers-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (42 commits)
Revert "soc: qcom: rpmh: Allow RPMH driver to be loaded as a module"
soc: qcom: rpmh-rsc: Remove the pm_lock
soc: qcom: rpmh-rsc: Simplify locking by eliminating the per-TCS lock
kernel/cpu_pm: Fix uninitted local in cpu_pm
soc: qcom: rpmh-rsc: We aren't notified of our own failure w/ NOTIFY_BAD
soc: qcom: rpmh-rsc: Correctly ignore CPU_CLUSTER_PM notifications
firmware: qcom_scm-legacy: Replace zero-length array with flexible-array
soc: qcom: rpmh-rsc: Timeout after 1 second in write_tcs_reg_sync()
soc: qcom: rpmh-rsc: Factor "tcs_reg_addr" and "tcs_cmd_addr" calculation
soc: qcom: socinfo: add msm8936/39 and apq8036/39 soc ids
soc: qcom: aoss: Add SM8250 compatible
soc: qcom: pdr: Remove impossible error condition
soc: qcom: rpmh: Dirt can only make you dirtier, not cleaner
soc: qcom: rpmhpd: Add SM8250 power domains
firmware: qcom_scm: fix bogous abuse of dma-direct internals
dt-bindings: soc: qcom: apr: Use generic node names for APR services
firmware: qcom_scm: Remove unneeded conversion to bool
soc: qcom: cmd-db: Properly endian swap the slv_id for debugfs
soc: qcom: cmd-db: Use 5 digits for printing address
soc: qcom: cmd-db: Cast sizeof() to int to silence field width warning
...
Link: https://lore.kernel.org/r/20200519052533.1250024-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- move clock driver to bind against the new mmsys driver
(mt2712, mt2701, mt8183, mt6797 and mt6779)
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Merge tag 'v5.7-next-soc.2' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/drivers
- make mmsys kconfig entry to depend on ARCH_MEDIATEK instead of a specific SoC
- move clock driver to bind against the new mmsys driver
(mt2712, mt2701, mt8183, mt6797 and mt6779)
* tag 'v5.7-next-soc.2' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
clk/soc: mediatek: mt6779: Bind clock driver from platform device
clk/soc: mediatek: mt6797: Bind clock driver from platform device
clk/soc: mediatek: mt8183: Bind clock driver from platform device
clk / soc: mediatek: Bind clock and gpu driver for mt2701
clk / soc: mediatek: Bind clock and gpu driver for mt2712
soc: mediatek: Enable mmsys driver by default if Mediatek arch is selected
Link: https://lore.kernel.org/r/d2eb19f4-589a-89c1-02ad-9f19a6cfb09a@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- support GX SoCs in the EE power-controller driver
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Merge tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/drivers
soc: amlogic: driver updates for v5.8
- support GX SoCs in the EE power-controller driver
* tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
soc: amlogic: meson-ee-pwrc: add support for the Meson GX SoCs
soc: amlogic: meson-ee-pwrc: add support for Meson8/Meson8b/Meson8m2
dt-bindings: power: meson-ee-pwrc: add support for the Meson GX SoCs
dt-bindings: power: meson-ee-pwrc: add support for Meson8/8b/8m2
Link: https://lore.kernel.org/r/5ec6f570.1c69fb81.a3753.711b@mx.google.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
the entry point for the DRM subsystem.
Replace clk-provider.h include with of_clk.h for mach-mediatek
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Merge tag 'v5.7-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/drivers
Refactor the mmsys to reflect that it's a clock driver and
the entry point for the DRM subsystem.
Replace clk-provider.h include with of_clk.h for mach-mediatek
* tag 'v5.7-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
ARM: mediatek: Replace <linux/clk-provider.h> by <linux/of_clk.h>
soc: mediatek: Missing platform_device_unregister() on error in mtk_mmsys_probe()
soc: mediatek: mmsys: Drop <linux/clk-provider.h>
soc / drm: mediatek: Fix mediatek-drm device probing
soc / drm: mediatek: Move routing control to mmsys device
clk / soc: mediatek: Move mt8173 MMSYS to platform driver
dt-bindings: mediatek: Update mmsys binding to reflect it is a system controller
drm/mediatek: Omit warning on probe defers
Link: https://lore.kernel.org/r/2cf27d33-59c6-023b-9993-57a2639824ea@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Add the main config option for the RZ/G1H SoC.
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Merge tag 'renesas-drivers-for-v5.8-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/drivers
Renesas driver updates for v5.8 (take two)
- Add the main config option for the RZ/G1H SoC.
* tag 'renesas-drivers-for-v5.8-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: Add Renesas R8A7742 config option
Link: https://lore.kernel.org/r/20200515100547.14671-5-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Add System Controller (SYSC) and Reset (RST) support for the new
RZ/G1H (R8A7742) SoC.
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Merge tag 'renesas-drivers-for-v5.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/drivers
Renesas driver updates for v5.8
- Add System Controller (SYSC) and Reset (RST) support for the new
RZ/G1H (R8A7742) SoC.
* tag 'renesas-drivers-for-v5.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: rcar-rst: Add support for RZ/G1H
soc: renesas: rcar-sysc: Add R8A7742 support
clk: renesas: Add r8a7742 CPG Core Clock Definitions
dt-bindings: power: rcar-sysc: Add r8a7742 power domain index macros
Link: https://lore.kernel.org/r/20200430084849.1457-5-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There's no callers in-tree anymore since commit
3b2abda7d2 ("soc: fsl: dpio: Replace QMAN array mode with ring mode enqueue")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
There is a statement that not indented correctly, remove the
extraneous space.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Use the cpu affine DPIO unless there isn't one which can happen
if less DPIOs than cores are assign to the kernel.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The current codebase makes use of one-element arrays in the following
form:
struct something {
int length;
u8 data[1];
};
struct something *instance;
instance = kmalloc(sizeof(*instance) + size, GFP_KERNEL);
instance->length = size;
memcpy(instance->data, source, size);
but the preferred mechanism to declare variable-length types such as
these ones is a flexible array member[1][2], introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on. So, replace
the one-element array with a flexible-array member.
Also, make use of the new struct_size() helper to properly calculate the
size of struct qe_firmware.
This issue was found with the help of Coccinelle and, audited and fixed
_manually_.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit 7649773293 ("cxgb3/l2t: Fix undefined behaviour")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Qiang Zhao <qiang.zhao@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The PMIC wake event can be used to bring the system out of suspend based
on certain events happening on the PMIC (such as an RTC alarm).
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
In order to determine the number of L2 cache ways enabled at runtime,
implement a private attribute ("number_of_ways_enabled"). Reading this
attribute returns the number of enabled L2 cache ways at runtime.
Using riscv_set_cacheinfo_ops() hook a custom function, that returns
this private attribute, to the generic ops structure which is used by
cache_get_priv_group() in cacheinfo framework.
Signed-off-by: Yash Shah <yash.shah@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Move the soc device register code to drivers/soc/imx to align with
i.MX8.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The mmsys driver is now the top level entry point for the multimedia
system (mmsys), we bind the clock driver by creating a platform device.
We also bind the MediaTek DRM driver which is not yet implement and
therefor will errror out for now.
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200518113156.25009-3-matthias.bgg@kernel.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The mmsys driver is now the top level entry point for the multimedia
system (mmsys), we bind the clock driver by creating a platform device.
We also bind the MediaTek DRM driver which is not yet implement and
therefor will errror out for now.
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200518113156.25009-2-matthias.bgg@kernel.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The mmsys driver is now the top level entry point for the multimedia
system (mmsys), we bind the clock driver by creating a platform device.
We also bind the MediaTek DRM driver which is not yet implement and
therefor will errror out for now.
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200518113156.25009-1-matthias.bgg@kernel.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Now that the mmsys driver is the top-level entry point for the
multimedia subsystem, we could bind the clock and the gpu driver on
those devices that is expected to work, so the drm driver is
intantiated by the mmsys driver and display, hopefully, working again.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200401201736.2980433-3-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Now that the mmsys driver is the top-level entry point for the
multimedia subsystem, we could bind the clock and the gpu driver on
those devices that is expected to work, so the drm driver is
intantiated by the mmsys driver and display, hopefully, working again on
those devices.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200401201736.2980433-2-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The mmsys driver supports only MT8173 device for now, but like other system
controllers is an important piece for other Mediatek devices. Actually
it depends on the mt8173 clock specific driver but that dependency is
not real as it can build without the clock driver. Instead of depends on
a specific model, make the driver depends on the generic ARCH_MEDIATEK and
enable by default so other Mediatek devices can start using it without
flood the Kconfig.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Tested-by: Hsin-Yi Wang <hsinyi@chromium.org>
Link: https://lore.kernel.org/r/20200401201736.2980433-1-enric.balletbo@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Add support for the Meson GX SoCs to the meson-ee-pwrc driver.
The power domains on the GX SoCs are very similar to G12A. The only
known differences so far are:
- The GX SoCs do not have the HHI_VPU_MEM_PD_REG2 register (for the
VPU power-domain)
- The GX SoCs have an additional reset line called "dvin"
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20200515204709.1505498-5-martin.blumenstingl@googlemail.com
This adds support for the power domains on Meson8/Meson8b/Meson8m2.
Meson8 doesn't use any reset lines while Meson8b and Meson8m2 use the
same set of reset lines (which is different from the newer SoCs).
Add dedicated compatible strings for Meson8, Meson8b and Meson8m2 to
support these differences.
Notable differences between Meson8 and G12A are:
- there is no HHI_VPU_MEM_PD_REG2 on the 32-bit SoCs
- the Meson8b datasheet describes an "audio DSP memory" power domain
which is used for the hardware audio decoder
- the "amlogic,ao-sysctrl" only includes the power management related
registers on the 32-bit SoCs, meaning the for example the
AO_RTI_GEN_PWR_SLEEP0 register is at offset (0x2 << 2) rather than
(0x3a << 2). As result of this (0x38 << 2) is subtracted from the
register offsets, which is the start of the power management related
registers.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20200515204709.1505498-4-martin.blumenstingl@googlemail.com
The reset handling APIs for omap-prm can be invoked PM runtime which
runs in atomic context. For this to work properly, switch to atomic
iopoll version instead of the current which can sleep. Otherwise,
this throws a "BUG: scheduling while atomic" warning. Issue is seen
rather easily when CONFIG_PREEMPT is enabled.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The K210's bootloader does not provide a device tree. Give the ability
to providea builtin one with the SOC_KENDRYTE_K210_BUILTIN_DTB option.
If selected, this option result in the definition of a builtin DTB
entry in the k210 sysctl driver.
If defined, the builtin DTB entry points to the default k210.dts device
tree file and is keyed with the vendor ID 0x4B5, the arch ID
0xE59889E6A5A04149 ("Canaan AI" in UTF-8 coded Chinese) and the impl ID
0x4D41495832303030 ("MAIX200"). These values are reported by the SiPEED
MAIXDUINO board, the SiPEED MAIX Go board and the SiPEED Dan Dock board.
[Thanks to Damien for the K210 IDs]
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Attempting to compile rpmh-rsc.c as a module with TRACING enabled causes
a build error as no _rcuidle function is generated for tracepoints when
CONFIG_MODULE is set.
Attempts has been made, but no resolution has been agreed upon, so lets
revert this commit for now.
This reverts commit 1d3c6f86fd.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Return error code to client if send message fail,
so that client has chance to error handling.
Fixes: 576f1b4bc8 ("soc: mediatek: Add Mediatek CMDQ helper")
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://lore.kernel.org/r/1583664775-19382-6-git-send-email-dennis-yc.hsieh@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
It has been postulated that the pm_lock is bad for performance because
a CPU currently running rpmh_flush() could block other CPUs from
coming out of idle. Similarly CPUs coming out of / going into idle
all need to contend with each other for the spinlock just to update
the variable tracking who's in PM.
Let's optimize this a bit. Specifically:
- Use a count rather than a bitmask. This is faster to access and
also means we can use the atomic_inc_return() function to really
detect who the last one to enter PM was.
- Accept that it's OK if we race and are doing the flush (because we
think we're last) while another CPU is coming out of idle. As long
as we block that CPU if/when it tries to do an active-only transfer
we're OK.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200504104917.v6.5.I295cb72bc5334a2af80313cbe97cb5c9dcb1442c@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The rpmh-rsc code had both a driver-level lock (sometimes referred to
in comments as drv->lock) and a lock per-TCS. The idea was supposed
to be that there would be times where you could get by with just
locking a TCS lock and therefor other RPMH users wouldn't be blocked.
The above didn't work out so well.
Looking at tcs_write() the bigger drv->lock was held for most of the
function anyway. Only the __tcs_buffer_write() and
__tcs_set_trigger() calls were called without holding the drv->lock.
It actually turns out that in tcs_write() we don't need to hold the
drv->lock for those function calls anyway even if the per-TCS lock
isn't there anymore. From the newly added comments in the code, this
is because:
- We marked "tcs_in_use" under lock.
- Once "tcs_in_use" has been marked nobody else could be writing
to these registers until the interrupt goes off.
- The interrupt can't go off until we trigger w/ the last line
of __tcs_set_trigger().
Thus, from a tcs_write() point of view, the per-TCS lock was useless.
Looking at rpmh_rsc_write_ctrl_data(), only the per-TCS lock was held.
It turns out, though, that this function already needs to be called
with the equivalent of the drv->lock held anyway (we either need to
hold drv->lock as we will in a future patch or we need to know no
other CPUs could be running as happens today). Specifically
rpmh_rsc_write_ctrl_data() might be writing to a TCS that has been
borrowed for writing an active transation but it never checks this.
Let's eliminate this extra overhead and avoid possible AB BA locking
headaches.
Suggested-by: Maulik Shah <mkshah@codeaurora.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200504104917.v6.4.Ib8dccfdb10bf6b1fb1d600ca1c21d9c0db1ef746@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
When a PM Notifier returns NOTIFY_BAD it doesn't get called with
CPU_PM_ENTER_FAILED. It only get called for CPU_PM_ENTER_FAILED if
someone else (further down the notifier chain) returns NOTIFY_BAD.
Handle this case by taking our CPU out of the list of ones that have
entered PM. Without this it's possible we could detect that the last
CPU went down (and we would flush) even if some CPU was alive. That's
not good since our flushing routines currently assume they're running
on the last CPU for mutual exclusion.
Fixes: 985427f997 ("soc: qcom: rpmh: Invoke rpmh_flush() for dirty caches")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200504104917.v6.2.I1927d1bca2569a27b2d04986baf285027f0818a2@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Our switch statement doesn't have entries for CPU_CLUSTER_PM_ENTER,
CPU_CLUSTER_PM_ENTER_FAILED, and CPU_CLUSTER_PM_EXIT and doesn't have
a default. This means that we'll try to do a flush in those cases but
we won't necessarily be the last CPU down. That's not so ideal since
our (lack of) locking assumes we're on the last CPU.
Luckily this isn't as big a problem as you'd think since (at least on
the SoC I tested) we don't get these notifications except on full
system suspend. ...and on full system suspend we get them on the last
CPU down. That means that the worst problem we hit is flushing twice.
Still, it's good to make it correct.
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Fixes: 985427f997 ("soc: qcom: rpmh: Invoke rpmh_flush() for dirty caches")
Reported-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200504104917.v6.1.Ic7096b3b9b7828cdd41cd5469a6dee5eb6abf549@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
After the split, the mt8173 MMSYS driver is no longer a clock provider,
and thus does not need to include <linux/clk-provider.h>.
Fixes: 13032709e2 ("clk / soc: mediatek: Move mt8173 MMSYS to platform driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200506120204.31422-1-geert+renesas@glider.be
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
We can make some of the register access functions more readable by
factoring out the calculations a little bit.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200415095953.v3.1.Ic70288f256ff0be65cac6a600367212dfe39f6c9@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This patch adds missing SoC IDs for MSM8936/39 and
their APQ variants.
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
Link: https://lore.kernel.org/r/20200511212733.214464-1-konradybcio@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Mask the consumer index before using it. Without this, we would be
writing frame descriptors beyond the ring size supported by the QBMAN
block.
Fixes: 3b2abda7d2 ("soc: fsl: dpio: Replace QMAN array mode with ring mode enqueue")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The PMIC wake event can be used to bring the system out of suspend based
on certain events happening on the PMIC (such as an RTC alarm).
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
I have hit the following build error:
armv7a-hardfloat-linux-gnueabi-ld: drivers/soc/tegra/pmc.o: in function `pinconf_generic_dt_node_to_map_pin':
pmc.c:(.text+0x500): undefined reference to `pinconf_generic_dt_node_to_map'
armv7a-hardfloat-linux-gnueabi-ld: drivers/soc/tegra/pmc.o:(.rodata+0x1f88): undefined reference to `pinconf_generic_dt_free_map'
So SOC_TEGRA_PMC should select GENERIC_PINCONF.
Fixes: 4a37f11c8f ("soc/tegra: pmc: Implement pad configuration via pinctrl")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
In all but the very special case of a system with _only_ glink_rpm,
GLINK is dependent on glink_ssr, so move it to rpmsg and combine it with
qcom_glink_native in the new qcom_glink kernel module.
Acked-by: Chris Lew <clew@codeaurora.org>
Acked-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Link: https://lore.kernel.org/r/20200423003736.2027371-4-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Rather than carrying a special purpose blocking notifier for glink_ssr
in remoteproc's qcom_common.c, move it into glink_ssr so allow wider
reuse of the common one.
The rpmsg glink header file is used in preparation for the next patch.
Acked-by: Chris Lew <clew@codeaurora.org>
Acked-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Link: https://lore.kernel.org/r/20200423003736.2027371-3-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Use direct function calls instead of using eemi ops. So remove
eemi ops for get_api_version and use direct function call.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Link: https://lore.kernel.org/r/1587761887-4279-2-git-send-email-jolly.shah@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently the SoC revision attribute for Tegra devices displays the
value of the enum associated with a particular revision. This is not
very useful because to obtain the actual revision you need to
use the tegra_revision enumeration to translate the value.
It is more meaningful to display a name for the revision, such as
'A01', than the enumarated value and therefore, update the revision
attribute to display a name. This change does alter the ABI, which
is unfortunate, but this is more meaningful and maintable.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Clean-up the tegra_init_revision() function by removing the 'rev'
variable which is not needed and use the newly added helper function
tegra_get_minor_rev() to get the minor revision.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add a custom SoC attribute for Tegra to expose the HIDREV register
fields to userspace via the sysfs. This register provides additional
details about the type of device (eg, silicon, FPGA, etc) as well as
revision. Exposing this information is useful for identifying the
exact device revision and device type.
For Tegra devices up until Tegra186, the majorrev and minorrev fields of
the HIDREV register are used to determine the device revision and device
type. For Tegra194, the majorrev and minorrev fields only determine the
revision. Starting with Tegra194, there is an additional field,
pre_si_platform (which occupies bits 20-23), that now determines device
type. Therefore, for all Tegra devices, add a custom SoC attribute for
the majorrev and minorrev fields and for Tegra194 add an additional
attribute for the pre_si_platform field.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The PMIC wake event can be used to bring the system out of suspend based
on certain events happening on the PMIC (such as an RTC alarm).
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
The patch fbe639b44a82: "soc: qcom: Introduce Protection Domain
Restart helpers" leads to the following static checker warning:
drivers/soc/qcom/pdr_interface.c:158 pdr_register_listener()
'(resp.curr_state < (-((~0 >> 1)) - 1)) => (s32min-s32max < s32min)'
These are casted to int so they can't be outside of int range.
Fixes: fbe639b44a ("soc: qcom: Introduce Protection Domain Restart helpers")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200415062955.21439-1-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Adding an item into the cache should never be able to make the cache
cleaner. Use "|=" rather than "=" to update the dirty flag.
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org> Thanks, Maulik
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Fixes: bb7000677a ("soc: qcom: rpmh: Update dirty flag only when data changes")
Reported-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200417141531.1.Ia4b74158497213eabad7c3d474c50bfccb3f342e@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Read the slv_id properly by making sure the 16-bit number is endian
swapped from little endian to CPU native before we read it to figure out
what to print for the human readable name. Otherwise we may just show
that all the elements in the cmd-db are "Unknown" which isn't right.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reported-by: kbuild test robot <lkp@intel.com>
Cc: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200417000645.234693-1-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The top few bits aren't relevant to pad out because they're always zero.
Let's just print 5 digits instead of 8 so that it's a little shorter and
more readable.
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Suggested-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200415192916.78339-1-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
We pass the result of sizeof() here to tell the printk format specifier
how many bytes to print. That expects an int though and sizeof() isn't
that type. Cast to int to silence this warning:
drivers/soc/qcom/cmd-db.c: In function 'cmd_db_debugfs_dump':
drivers/soc/qcom/cmd-db.c:281:30: warning: field width specifier '*' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Wformat=]
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Fixes: d6815c5c43 ("soc: qcom: cmd-db: Add debugfs dumping file")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200415062033.66406-1-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Compile-testing the driver can result in a link failure
when CONFIG_SOC_BUS is disabled:
x86_64-linux-ld: drivers/soc/imx/soc-imx8m.o: in function `imx8_soc_init':
soc-imx8m.c:(.init.text+0x28d): undefined reference to `soc_device_register'
Select it from Kconfig, as we do from the other SoC drivers.
Link: https://lore.kernel.org/r/20200409075208.2824062-1-arnd@arndb.de
Fixes: fc40200ebf ("soc: imx: increase build coverage for imx8m soc driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A 1024 byte variable on the stack will warn on any 32-bit architecture
during compile-testing, and is generally a bad idea anyway:
fsl/dpio/dpio-service.c: In function 'dpaa2_io_service_enqueue_multiple_desc_fq':
fsl/dpio/dpio-service.c:495:1: error: the frame size of 1032 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
There are currently no callers of this function, so I cannot tell whether
dynamic memory allocation is allowed once callers are added. Change
it to kcalloc for now, if anyone gets a warning about calling this in
atomic context after they start using it, they can fix it later.
Link: https://lore.kernel.org/r/20200408185834.434784-1-arnd@arndb.de
Fixes: 9d98809711 ("soc: fsl: dpio: Adding QMAN multiple enqueue interface")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Building dpio for 32 bit shows a new compiler warning from converting
a pointer to a u64:
drivers/soc/fsl/dpio/qbman-portal.c: In function 'qbman_swp_enqueue_multiple_desc_direct':
drivers/soc/fsl/dpio/qbman-portal.c:870:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
870 | addr_cena = (uint64_t)s->addr_cena;
The variable is not used anywhere, so removing the assignment seems
to be the correct workaround. After spotting what seemed to be
some confusion about address spaces, I ran the file through sparse,
which showed more warnings:
drivers/soc/fsl/dpio/qbman-portal.c:756:42: warning: incorrect type in argument 1 (different address spaces)
drivers/soc/fsl/dpio/qbman-portal.c:756:42: expected void const volatile [noderef] <asn:2> *addr
drivers/soc/fsl/dpio/qbman-portal.c:756:42: got unsigned int [usertype] *[assigned] p
drivers/soc/fsl/dpio/qbman-portal.c:902:42: warning: incorrect type in argument 1 (different address spaces)
drivers/soc/fsl/dpio/qbman-portal.c:902:42: expected void const volatile [noderef] <asn:2> *addr
drivers/soc/fsl/dpio/qbman-portal.c:902:42: got unsigned int [usertype] *[assigned] p
Here, the problem is passing a token from memremap() into __raw_readl(),
which is only defined to work on MMIO addresses but not RAM. Turning
this into a simple pointer dereference avoids this warning as well.
Link: https://lore.kernel.org/r/20200408185904.460563-1-arnd@arndb.de
Fixes: 3b2abda7d2 ("soc: fsl: dpio: Replace QMAN array mode with ring mode enqueue")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The firmware driver is optional, but the power driver depends on it,
which needs to be reflected in Kconfig to avoid link errors:
aarch64-linux-ld: drivers/soc/xilinx/zynqmp_power.o: in function `zynqmp_pm_isr':
zynqmp_power.c:(.text+0x284): undefined reference to `zynqmp_pm_invoke_fn'
The firmware driver can probably be allowed for compile-testing as
well, so it's best to drop the dependency on the ZYNQ platform
here and allow building as long as the firmware code is built-in.
Fixes: ab272643d7 ("drivers: soc: xilinx: Add ZynqMP PM driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200408155224.2070880-1-arnd@arndb.de
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This patch allow the rpmpd driver to be loaded as a permenent
module. Meaning it can be loaded from a module, but then cannot
be unloaded.
Ideally, it would include a remove hook and related logic, but
apparently the genpd code isn't able to track usage and cleaning
things up? (See: https://lkml.org/lkml/2019/1/24/38)
So making it a permenent module at least improves things slightly
over requiring it to be a built in driver.
Cc: Todd Kjos <tkjos@google.com>
Cc: Saravana Kannan <saravanak@google.com>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rajendra Nayak <rnayak@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org
Acked-by: Saravana Kannan <saravanak@google.com>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Link: https://lore.kernel.org/r/20200326224459.105170-2-john.stultz@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This patch allow the rpmhpd driver to be loaded as a permenent
module. Meaning it can be loaded from a module, but then cannot
be unloaded.
Ideally, it would include a remove hook and related logic, but
apparently the genpd code isn't able to track usage and cleaning
things up?
So making it a permenent module at least improves things slightly
over requiring it to be a built in driver.
Cc: Todd Kjos <tkjos@google.com>
Cc: Saravana Kannan <saravanak@google.com>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rajendra Nayak <rnayak@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org
Acked-by: Saravana Kannan <saravanak@google.com>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Link: https://lore.kernel.org/r/20200326224459.105170-4-john.stultz@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This patch allow the rpmh driver to be loaded as a permenent
module. Meaning it can be loaded from a module, but then cannot
be unloaded.
Ideally, it would include a remove hook and related logic, but
the rpmh driver is fairly core to the system, so once its loaded
with almost anythign else to get the system to go, the dependencies
are not likely to ever also be removed.
So making it a permenent module at least improves things slightly
over requiring it to be a built in driver.
Acked-by: Saravana Kannan <saravanak@google.com>
Cc: Todd Kjos <tkjos@google.com>
Cc: Saravana Kannan <saravanak@google.com>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Rajendra Nayak <rnayak@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Link: https://lore.kernel.org/r/20200326224459.105170-3-john.stultz@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
No need to put node when of_find_compatible_node() failed, return
immediately to simplify the code.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The RSC_DRV_IRQ_ENABLE, RSC_DRV_IRQ_STATUS, and RSC_DRV_IRQ_CLEAR
registers are not part of TCS 0. Let's not pretend that they are by
using read_tcs_reg() and write_tcs_reg() and passing a bogus tcs_id of
0. We could introduce a new wrapper for these registers but it
wouldn't buy us much. Let's just read/write directly.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/20200413100321.v4.10.I2adf93809c692d0b673e1a86ea97c45644aa8d97@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Auditing tcs_invalidate() made me worried. Specifically I saw that it
used spin_lock(), not spin_lock_irqsave(). That always worries me
unless I can trace for sure that I'm in the interrupt handler or that
someone else already disabled interrupts.
Looking more at it, there is actually no reason for these locks
anyway. Specifically the only reason you'd ever call
rpmh_rsc_invalidate() is if you cared that the sleep/wake TCSes were
empty. That means that they need to continue to be empty even after
rpmh_rsc_invalidate() returns. The only way that can happen is if the
caller already has done something to keep all other RPMH users out.
It should be noted that even though the caller is only worried about
making sleep/wake TCSes empty, they also need to worry about stopping
active-only transfers if they need to handle the case where
active-only transfers might borrow the wake TCS.
At the moment rpmh_rsc_invalidate() is only called in PM code from the
last CPU. If that later changes the caller will still need to solve
the above problems themselves, so these locks will never be useful.
Continuing to audit tcs_invalidate(), I found a bug. The function
didn't properly check for a borrowed TCS if we hadn't recently written
anything into the TCS. Specifically, if we've never written to the
WAKE_TCS (or we've flushed it recently) then tcs->slots is empty.
We'll early-out and we'll never call tcs_is_free().
I thought about fixing this bug by either deleting the early check for
bitmap_empty() or possibly only doing it if we knew we weren't on a
TCS that could be borrowed. However, I think it's better to just
delete the checks.
As argued above it's up to the caller to make sure that all other
users of RPMH are quiet before tcs_invalidate() is called. Since
callers need to handle the zero-active-TCS case anyway that means they
need to make sure that the active-only transfers are quiet before
calling too. The one way tcs_invalidate() gets called today is
through rpmh_rsc_cpu_pm_callback() which calls
rpmh_rsc_ctrlr_is_busy() to handle this. When we have another path to
get to tcs_invalidate() it will also need to come up with something
similar and it won't need this extra check either. If we later find
some code path that actually needs this check back in (and somehow
manages to be race free) we can always add it back in.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/20200413100321.v4.9.I07c1f70e0e8f2dc0004bd38970b4e258acdc773e@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The calls rpmh_rsc_write_ctrl_data() and rpmh_rsc_send_data() are only
ever called from rpmh.c. We know that rpmh.c already error checked
the message. There's no reason to do it again in rpmh-rsc.
Suggested-by: Maulik Shah <mkshah@codeaurora.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/20200413100321.v4.8.I8e187cdfb7a31f5bb7724f1f937f2862ee464a35@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
tcs_is_free() had two checks in it: does the software think that the
TCS is free and does the hardware think that the TCS is free. I
couldn't figure out in which case the hardware could think that a TCS
was in-use but software thought it was free. Apparently there is no
case and the extra check can be removed. This apparently has already
been done in a downstream patch.
Suggested-by: Maulik Shah <mkshah@codeaurora.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/20200413100321.v4.7.Icf2213131ea652087f100129359052c83601f8b0@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
I've been pouring through the rpmh-rsc code and trying to understand
it. Document everything to the best of my ability. All documentation
here is strictly from code analysis--no actual knowledge of the
hardware was used. If something is wrong in here I either
misunderstood the code, had a typo, or the code has a bug in it
leading to my incorrect understanding.
In a few places here I have documented things that don't make tons of
sense. A future patch will try to address this. While this means I'm
adding comments / todos and then later fixing them in the series, it
seemed more urgent to get things documented first so that people could
understand the later patches.
Any comments I adjusted I also tried to make match kernel-doc better.
Specifically:
- kernel-doc says do not leave a blank line between the function
description and the arguments
- kernel-doc examples always have things starting w/ a capital and
ending with a period.
This should be a no-op. It's just comment changes.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200413100321.v4.6.I52653eb85d7dc8981ee0dafcd0b6cc0f273e9425@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The "cmd_cache" in RPMH wasn't terribly sensible. Specifically:
- The current code doesn't really detect "conflicts" properly any case
where the sequence being checked has more than one entry. One
simple way to see this in the current code is that if cmd[0].addr
isn't found then cmd[1].addr is never checked.
- The code attempted to use the "cmd_cache" to update an existing
message in a sleep/wake TCS with new data. The goal appeared to be
to update part of a TCS while leaving the rest of the TCS alone. We
never actually do this. We always fully invalidate and re-write
everything.
- If/when we try to optimize things to not fully invalidate / re-write
every time we update the TCSes we'll need to think it through very
carefully. Specifically requirement of find_match() that the new
sequence of addrs must match exactly the old sequence of addrs seems
inflexible. It's also not documented in rpmh_write() and
rpmh_write_batch(). In any case, if we do decide to require updates
to keep the exact same sequence and length then presumably the API
and data structures should be updated to understand groups more
properly. The current algorithm doesn't really keep track of the
length of the old sequence and there are several boundary-condition
bugs because of that. Said another way: if we decide to do
something like this in the future we should start from scratch and
thus find_match() isn't useful to keep around.
This patch isn't quite a no-op. Specifically:
- It should be a slight performance boost of not searching through so
many arrays.
- The old code would have done something useful in one case: it would
allow someone calling rpmh_write() to override the data that came
from rpmh_write_batch(). I don't believe that actually happens in
reality.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/20200413100321.v4.5.I6d3d0a3ec810dc72ff1df3cbf97deefdcdeb8eef@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The get_tcs_of_type() function doesn't provide any value. It's not
conceptually difficult to access a value in an array, even if that
value is in a structure and we want a pointer to the value. Having
the function in there makes me feel like it's doing something fancier
like looping or searching. Remove it.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/20200413100321.v4.4.Ia348ade7c6ed1d0d952ff2245bc854e5834c8d9a@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
I was trying to write documentation for the functions in rpmh-rsc and
I got to tcs_ctrl_write(). The documentation for the function would
have been: "This is the core of rpmh_rsc_write_ctrl_data(); all the
caller does is error-check and then call this".
Having the error checks in a separate function doesn't help for
anything since:
- There are no other callers that need to bypass the error checks.
- It's less documenting. When I read tcs_ctrl_write() I kept
wondering if I need to handle cases other than ACTIVE_ONLY or cases
with more commands than could fit in a TCS. This is obvious when
the error checks and code are together.
- The function just isn't that long, so there's no problem
understanding the combined function.
Things were even more confusing because the two functions names didn't
make obvious (at least to me) their relationship.
Simplify by folding one function into the other.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/20200413100321.v4.3.Ie88ce5ccfc0c6055903ccca5286ae28ed3b85ed3@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Perhaps it's just me, it took a really long time to understand what
the register layout of rpmh-rsc was just from the #defines. Let's add
a bunch of comments describing which blocks are part of other blocks.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200413100321.v4.2.Iaddc29b72772e6ea381238a0ee85b82d3903e5f2@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This patch makes two changes, both of which should be no-ops:
1. Make read_tcs_reg() / read_tcs_cmd() symmetric to write_tcs_reg() /
write_tcs_cmd().
2. Change the order of operations in the above functions to make it
more obvious to me what the math is doing. Specifically first you
want to find the right TCS, then the right register, and then
multiply by the command ID if necessary.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://lore.kernel.org/r/20200413100321.v4.1.I1b754137e8089e46cf33fc2ea270734ec3847ec4@changeid
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
When there are more than one WAKE TCS available and there is no dedicated
ACTIVE TCS available, invalidating all WAKE TCSes and waiting for current
transfer to complete in first WAKE TCS blocks using another free WAKE TCS
to complete current request.
Remove rpmh_rsc_invalidate() to happen from tcs_write() when WAKE TCSes
is re-purposed to be used for Active mode. Clear only currently used
WAKE TCS's register configuration.
Fixes: 2de4b8d33e (drivers: qcom: rpmh-rsc: allow active requests from wake TCS)
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1586703004-13674-7-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
For RSCs that have sleep & wake TCS but no dedicated active TCS, wake
TCS can be re-purposed to send active requests. Once the active requests
are sent and response is received, the active mode configuration needs
to be cleared so that controller can use wake TCS for sending wake
requests.
Introduce enable_tcs_irq() to enable completion IRQ for repurposed TCSes.
Fixes: 2de4b8d33e (drivers: qcom: rpmh-rsc: allow active requests from wake TCS)
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
[mkshah: call enable_tcs_irq() within drv->lock, update commit message]
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1586703004-13674-6-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Add changes to invoke rpmh flush() from CPU PM notification.
This is done when the last the cpu is entering deep CPU idle
states and controller is not busy.
Controllers that have 'HW solver' mode like display RSC do not need
to register for CPU PM notification. They may be in autonomous mode
executing low power mode and do not require rpmh_flush() to happen
from CPU PM notification.
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1586703004-13674-5-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
TCSes have previously programmed data when rpmh_flush() is called.
This can cause old data to trigger along with newly flushed.
Fix this by cleaning SLEEP and WAKE TCSes before new data is flushed.
With this there is no need to invoke rpmh_rsc_invalidate() call from
rpmh_invalidate().
Simplify rpmh_invalidate() by moving invalidate_batch() inside.
Fixes: 600513dfee ("drivers: qcom: rpmh: cache sleep/wake state requests")
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1586703004-13674-4-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Currently rpmh ctrlr dirty flag is set for all cases regardless of data
is really changed or not. Add changes to update dirty flag when data is
changed to newer values. Update dirty flag everytime when data in batch
cache is updated since rpmh_flush() may get invoked from any CPU instead
of only last CPU going to low power mode.
Also move dirty flag updates to happen from within cache_lock and remove
unnecessary INIT_LIST_HEAD() call and a default case from switch.
Fixes: 600513dfee ("drivers: qcom: rpmh: cache sleep/wake state requests")
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Srinivas Rao L <lsrao@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1586703004-13674-3-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The function platform_get_irq() can log an error already. Thus omit a
redundant message for the exception handling in the calling function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: https://lore.kernel.org/r/eb92fcfb-6181-1f9d-2601-61e5231bd892@web.de
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Looks like SoC ID is not exported to sysfs for some reason.
This patch adds it!
This is mostly used by userspace libraries like Snapdragon
Neural Processing Engine (SNPE) SDK for checking supported SoC info.
Fixes: efb448d0a3 ("soc: qcom: Add socinfo driver")
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200319121418.5180-1-srinivas.kandagatla@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
In the actual implementation the same compatible string
"mediatek,<chip>-mmsys" is used to bind the clock drivers
(drivers/soc/mediatek) as well as to the gpu driver
(drivers/gpu/drm/mediatek/mtk_drm_drv.c). This ends with the problem
that the only probed driver is the clock driver and there is no display
at all.
In any case having the same compatible string for two drivers is not
correct and should be fixed. To fix this, and maintain backward
compatibility, we can consider that the mmsys driver is the top-level
entry point for the multimedia subsystem, so is not a pure clock
controller but a system controller, and the drm driver is instantiated
by that MMSYS driver.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Acked-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Provide a mtk_mmsys_ddp_connect() and mtk_mmsys_disconnect() functions to
replace mtk_ddp_add_comp_to_path() and mtk_ddp_remove_comp_from_path().
Those functions will allow DRM driver and others to control the data
path routing.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Acked-by: CK Hu <ck.hu@mediatek.com>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Reviewed-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
There is no strong reason for this to use CLK_OF_DECLARE instead of
being a platform driver. Plus, MMSYS provides clocks but also a shared
register space for the mediatek-drm and the mediatek-mdp
driver. So move the MMSYS clocks to a new platform driver and also
create a new MMSYS platform driver in drivers/soc/mediatek that
instantiates the clock driver.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This tag contains the patches I'd like to target for 5.7. It has a handful of
new features:
* Partial support for the Kendryte K210. There are still a few outstanding
issues that I have patches for, but I don't actually have a board to test
them so they're not included yet.
* SBI v0.2 support.
* Fixes to support for building with LLVM-based toolchains. The resulting
images are known not to boot yet.
This builds and boots for me. There is one merge conflict, it's just a Kconfig
merge issue. I can publish a resolved branch if you'd like.
I don't anticipate a part two, but I'll probably have something early in the
RCs to finish up the K210 support.
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Merge tag 'riscv-for-linus-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
"This contains a handful of new features:
- Partial support for the Kendryte K210.
There are still a few outstanding issues that I have patches for,
but I don't actually have a board to test them so they're not
included yet.
- SBI v0.2 support.
- Fixes to support for building with LLVM-based toolchains. The
resulting images are known not to boot yet.
I don't anticipate a part two, but I'll probably have something early
in the RCs to finish up the K210 support"
* tag 'riscv-for-linus-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (38 commits)
riscv: create a loader.bin boot image for Kendryte SoC
riscv: Kendryte K210 default config
riscv: Add Kendryte K210 device tree
riscv: Select required drivers for Kendryte SOC
riscv: Add Kendryte K210 SoC support
riscv: Add SOC early init support
riscv: Unaligned load/store handling for M_MODE
RISC-V: Support cpu hotplug
RISC-V: Add supported for ordered booting method using HSM
RISC-V: Add SBI HSM extension definitions
RISC-V: Export SBI error to linux error mapping function
RISC-V: Add cpu_ops and modify default booting method
RISC-V: Move relocate and few other functions out of __init
RISC-V: Implement new SBI v0.2 extensions
RISC-V: Introduce a new config for SBI v0.1
RISC-V: Add SBI v0.2 extension definitions
RISC-V: Add basic support for SBI v0.2
RISC-V: Mark existing SBI as 0.1 SBI.
riscv: Use macro definition instead of magic number
riscv: Add support to dump the kernel page tables
...
These are the usual updates for SoC specific device drivers and related
subsystems that don't have their own top-level maintainers:
- ARM SCMI/SCPI updates to allow pluggable transport layers
- TEE subsystem cleanups
- A new driver for the Amlogic secure power domain controller
- Various driver updates for the NXP Layerscape DPAA2, NXP i.MX SCU and
TI OMAP2+ sysc drivers.
- Qualcomm SoC driver updates, including a new library module for
"protection domain" notifications
- Lots of smaller bugfixes and cleanups in other drivers
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"These are the usual updates for SoC specific device drivers and
related subsystems that don't have their own top-level maintainers:
- ARM SCMI/SCPI updates to allow pluggable transport layers
- TEE subsystem cleanups
- A new driver for the Amlogic secure power domain controller
- Various driver updates for the NXP Layerscape DPAA2, NXP i.MX SCU
and TI OMAP2+ sysc drivers.
- Qualcomm SoC driver updates, including a new library module for
"protection domain" notifications
- Lots of smaller bugfixes and cleanups in other drivers"
* tag 'arm-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (70 commits)
soc: fsl: qe: fix sparse warnings for ucc_slow.c
soc: fsl: qe: ucc_slow: remove 0 assignment for kzalloc'ed structure
soc: fsl: qe: fix sparse warnings for ucc_fast.c
soc: fsl: qe: fix sparse warnings for qe_ic.c
soc: fsl: qe: fix sparse warnings for ucc.c
soc: fsl: qe: fix sparse warning for qe_common.c
soc: fsl: qe: fix sparse warnings for qe.c
soc: qcom: Fix QCOM_APR dependencies
soc: qcom: pdr: Avoid uninitialized use of found in pdr_indication_cb
soc: imx: drop COMPILE_TEST for IMX_SCU_SOC
firmware: imx: add COMPILE_TEST for IMX_SCU driver
soc: imx: gpc: fix power up sequencing
soc: imx: increase build coverage for imx8m soc driver
soc: qcom: apr: Add avs/audio tracking functionality
dt-bindings: soc: qcom: apr: Add protection domain bindings
soc: qcom: Introduce Protection Domain Restart helpers
devicetree: bindings: firmware: add ipq806x to qcom_scm
memory: tegra: Correct debugfs clk rate-range on Tegra124
memory: tegra: Correct debugfs clk rate-range on Tegra30
memory: tegra: Correct debugfs clk rate-range on Tegra20
...
The code changes are mostly for 32-bit platforms and include:
- Lots of updates for the Nvidia Tegra platform, including
cpuidle, pmc, and dt-binding changes
- Microchip at91 power management updates for the recently added
sam9x60 SoC
- Treewide setup_irq deprecation by afzal mohammed
- STMicroelectronics stm32 gains earlycon support
- Renesas platforms with Cortex-A9 can now use the global timer
- Some TI OMAP2+ platforms gain cpuidle support
- Various cleanups for the i.MX6 and Orion platforms, as well as
Kconfig files across all platforms
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"The code changes are mostly for 32-bit platforms and include:
- Lots of updates for the Nvidia Tegra platform, including cpuidle,
pmc, and dt-binding changes
- Microchip at91 power management updates for the recently added
sam9x60 SoC
- Treewide setup_irq deprecation by afzal mohammed
- STMicroelectronics stm32 gains earlycon support
- Renesas platforms with Cortex-A9 can now use the global timer
- Some TI OMAP2+ platforms gain cpuidle support
- Various cleanups for the i.MX6 and Orion platforms, as well as
Kconfig files across all platforms"
* tag 'arm-soc-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (75 commits)
ARM: qcom: Add support for IPQ40xx
ARM: mmp: replace setup_irq() by request_irq()
ARM: cns3xxx: replace setup_irq() by request_irq()
ARM: spear: replace setup_irq() by request_irq()
ARM: ep93xx: Replace setup_irq() by request_irq()
ARM: iop32x: replace setup_irq() by request_irq()
arm: mach-dove: Mark dove_io_desc as __maybe_unused
ARM: orion: replace setup_irq() by request_irq()
ARM: debug: stm32: add UART early console support for STM32MP1
ARM: debug: stm32: add UART early console support for STM32H7
ARM: debug: stm32: add UART early console configuration for STM32F7
ARM: debug: stm32: add UART early console configuration for STM32F4
cpuidle: tegra: Disable CC6 state if LP2 unavailable
cpuidle: tegra: Squash Tegra114 driver into the common driver
cpuidle: tegra: Squash Tegra30 driver into the common driver
cpuidle: Refactor and move out NVIDIA Tegra20 driver into drivers/cpuidle
ARM: tegra: cpuidle: Remove unnecessary memory barrier
ARM: tegra: cpuidle: Make abort_flag atomic
ARM: tegra: cpuidle: Handle case where secondary CPU hangs on entering LP2
ARM: tegra: Make outer_disable() open-coded
...
Add support for the Kendryte K210 RISC-V SoC. For now, this support
only provides a simple sysctl driver allowing to setup the CPU and
uart clock. This support is enabled through the new Kconfig option
SOC_KENDRYTE and defines the config option CONFIG_K210_SYSCTL
to enable the K210 SoC sysctl driver compilation.
The sysctl driver also registers an early SoC initialization function
allowing enabling the general purpose use of the 2MB of SRAM normally
reserved for the SoC AI engine. This initialization function is
automatically called before the dt early initialization using the flat
dt root node compatible property matching the value "kendryte,k210".
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
[Palmer: Add missing endmenu in Kconfig.socs]
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
- add support for MT6779 SoC
cmdq-helper:
- set knows_txdone in mailbox client
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Merge tag 'v5.6-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/soc
pmic wrapper:
- add support for MT6779 SoC
cmdq-helper:
- set knows_txdone in mailbox client
* tag 'v5.6-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
soc: mediatek: pwrap: add support for MT6359 PMIC
soc: mediatek: pwrap: add pwrap driver for MT6779 SoCs
dt-bindings: pwrap: mediatek: add pwrap support for MT6779
soc: mediatek: knows_txdone needs to be set in Mediatek CMDQ helper
Link: https://lore.kernel.org/r/61165e91-f211-ad37-a81c-cbf3ff69fa1b@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
These changes implement various clocks that are controlled by the PMC
and add support for configuring the voltage level of some pins (needed
for example to support high-speed modes on the SD/MMC interfaces).
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Merge tag 'tegra-for-5.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/soc
soc/tegra: Changes for v5.7-rc1
These changes implement various clocks that are controlled by the PMC
and add support for configuring the voltage level of some pins (needed
for example to support high-speed modes on the SD/MMC interfaces).
* tag 'tegra-for-5.7-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Cleanup whitespace usage
soc/tegra: pmc: Add pins for Tegra194
soc/tegra: Add support for 32 kHz blink clock
soc/tegra: Add Tegra PMC clocks registration into PMC driver
dt-bindings: usb: Add NVIDIA Tegra XUSB device mode controller binding
dt-bindings: phy: tegra-xusb: Add usb-role-switch
dt-bindings: phy: tegra: Add Tegra194 support
dt-bindings: soc: tegra-pmc: Add ID for Tegra PMC 32 kHz blink clock
dt-bindings: soc: tegra-pmc: Add Tegra PMC clock bindings
dt-bindings: tegra: Convert Tegra PMC bindings to YAML
dt-bindings: clock: tegra: Add IDs for OSC clocks
Link: https://lore.kernel.org/r/20200313165848.2915133-3-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A series of changes from Dave Gerlach to enable basic cpuidle support
for am335x and am437x based on generic cpuidle-arm driver.
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Merge tag 'omap-for-v5.7/pm33xx-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/soc
PM changes for am335x and am437x for v5.7 merge window
A series of changes from Dave Gerlach to enable basic cpuidle support
for am335x and am437x based on generic cpuidle-arm driver.
* tag 'omap-for-v5.7/pm33xx-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: omap2plus_defconfig: Add CONFIG_ARM_CPUIDLE
soc: ti: pm33xx: Add base cpuidle support
ARM: OMAP2+: pm33xx-core: Extend platform_data ops for cpuidle
ARM: OMAP2+: pm33xx-core: Add cpuidle_ops for am335x/am437x
dt-bindings: arm: cpu: Add TI AM335x and AM437x enable method
Link: https://lore.kernel.org/r/pull-1583511417-919838@atomide.com-2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Enable ARM global timer on Cortex-A9 MPCore SoCs,
- A minor cleanup.
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Merge tag 'renesas-arm-soc-for-v5.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/soc
Renesas ARM SoC updates for v5.7
- Enable ARM global timer on Cortex-A9 MPCore SoCs,
- A minor cleanup.
* tag 'renesas-arm-soc-for-v5.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
ARM: shmobile: Replace <linux/clk-provider.h> by <linux/of_clk.h>
ARM: shmobile: Enable ARM_GLOBAL_TIMER on Cortex-A9 MPCore SoCs
Link: https://lore.kernel.org/r/20200226110221.19288-3-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Correct the probe return value to -ENODEV on non-Exynos platforms.
Link: https://lore.kernel.org/r/20200316175652.5604-4-krzk@kernel.org
Fixes: 02fb29882d ("soc: samsung: chipid: Drop "syscon" compatible requirement")
Cc: <stable@vger.kernel.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Update SCU power domain driver to include PD ranges for audio, CM40
I2C and INTMUX, also enlarge PD range for mu_b.
- Remove IMX_SC_RPC_SVC_ABORT from SCU API, as it was added by mistake.
- Increase build test coverage for i.MX8M SoC and IMX_SCU driver.
- Improve i.MX GPC power up sequencing to ensure that the reset is
properly propagated through the peripheral devices in the power
domain.
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Merge tag 'imx-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers update for 5.7:
- Update SCU power domain driver to include PD ranges for audio, CM40
I2C and INTMUX, also enlarge PD range for mu_b.
- Remove IMX_SC_RPC_SVC_ABORT from SCU API, as it was added by mistake.
- Increase build test coverage for i.MX8M SoC and IMX_SCU driver.
- Improve i.MX GPC power up sequencing to ensure that the reset is
properly propagated through the peripheral devices in the power
domain.
* tag 'imx-drivers-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: drop COMPILE_TEST for IMX_SCU_SOC
firmware: imx: add COMPILE_TEST for IMX_SCU driver
soc: imx: gpc: fix power up sequencing
soc: imx: increase build coverage for imx8m soc driver
firmware: imx: scu-pd: add power domain for I2C and INTMUX in CM40 SS
firmware: imx: Remove IMX_SC_RPC_SVC_ABORT
firmware: imx: scu-pd: enlarge PD range for mu_b
firmware: imx: scu-pd: Add missing audio PD ranges
soc: imx: gpcv2: include linux/sizes.h
Link: https://lore.kernel.org/r/20200318051918.32579-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This adds a new library for subscribing to notifications about
protection domains being stated and stopped and the integration of this
with the APR driver. It also contains fixes and cleanups for AOSS
driver, socinfo and rpmh.
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Merge tag 'qcom-drivers-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm driver updates for v5.7
This adds a new library for subscribing to notifications about
protection domains being stated and stopped and the integration of this
with the APR driver. It also contains fixes and cleanups for AOSS
driver, socinfo and rpmh.
* tag 'qcom-drivers-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: Fix QCOM_APR dependencies
soc: qcom: pdr: Avoid uninitialized use of found in pdr_indication_cb
soc: qcom: apr: Add avs/audio tracking functionality
dt-bindings: soc: qcom: apr: Add protection domain bindings
soc: qcom: Introduce Protection Domain Restart helpers
devicetree: bindings: firmware: add ipq806x to qcom_scm
soc: qcom: socinfo: Use seq_putc() if possible
drivers: qcom: rpmh-rsc: Use rcuidle tracepoints for rpmh
soc: qcom: Do not depend on ARCH_QCOM for QMI helpers
soc: qcom: aoss: Read back before triggering the IRQ
soc: qcom: aoss: Use wake_up_all() instead of wake_up_interruptible_all()
drivers: qcom: rpmh: remove rpmh_flush export
drivers: qcom: rpmh: fix macro to accept NULL argument
Link: https://lore.kernel.org/r/20200318044236.GD470201@yoga
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes the following sparse warning:
drivers/soc/fsl/qe/qe_common.c:75:48: warning: incorrect type in argument 2 (different base types)
drivers/soc/fsl/qe/qe_common.c:75:48: expected restricted __be32 const [usertype] *addr
drivers/soc/fsl/qe/qe_common.c:75:48: got unsigned int *
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Reviewed-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Fixes the following sparse warnings:
drivers/soc/fsl/qe/qe.c:426:9: warning: cast to restricted __be32
drivers/soc/fsl/qe/qe.c:528:41: warning: incorrect type in assignment (different base types)
drivers/soc/fsl/qe/qe.c:528:41: expected unsigned long long static [addressable] [toplevel] [usertype] extended_modes
drivers/soc/fsl/qe/qe.c:528:41: got restricted __be64 const [usertype] extended_modes
Signed-off-by: Li Yang <leoyang.li@nxp.com>
QCOM_APR selects QCOM_PDR_HELPERS, which in turn selects
QCOM_QMI_HELPERS, which depends on NET. So ensure that APR's
dependencies are met by making it depend on NET as well.
Fixes: 8347356626 ("soc: qcom: apr: Add avs/audio tracking functionality")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
With COMPILE_TEST, there will be build error, because IMX_SCU
might be set to n, so drop COMPILE_TEST.
Suggested-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Currently we wait only until the PGC inverts the isolation setting
before disabling the peripheral clocks. This doesn't ensure that the
reset is properly propagated through the peripheral devices in the
power domain.
Wait until the PGC signals that the power up request is done and
wait a bit for resets to propagate before disabling the clocks.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The soc-imx8.c driver is actually for i.MX8M family, so rename it
to soc-imx8m.c.
Use CONFIG_SOC_IMX8M as build gate, not CONFIG_ARCH_MXC, to control
whether build this driver, also make it possible for compile test.
Default set it to y for ARCH_MXC && ARM64
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Use PDR helper functions to track the protection domains that the apr
services are dependent upon on SDM845 SoC, specifically the "avs/audio"
service running on ADSP Q6.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200312120842.21991-4-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Qualcomm SoCs (starting with MSM8998) allow for multiple protection domains
to run on the same Q6 sub-system. This allows for services like ATH10K WLAN
FW to have their own separate address space and crash/recover without
disrupting the modem and other PDs running on the same sub-system. The PDR
helpers introduces an abstraction that allows for tracking/controlling the
life cycle of protection domains running on various Q6 sub-systems.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200312120842.21991-2-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Avoid using a mixture of tabs and spaces within tables to make them
easier to read and more consistently formatted.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Extend the Tegra194 IO pad table with additional information such as pin
names and 1.8/3.3 V settings to allow a table of voltage control pins to
generated from it. This is similar to what's done for older chips and is
needed to support high-speed modes for SDHCI where switching the pins to
1.8V or 3.3V is necessary.
Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tegra PMC has blink control to output 32 kHz clock out to Tegra blink
pin. Blink pad DPD state and enable controls are part of Tegra PMC
register space.
Currently Tegra clock driver registers blink control by passing PMC
address and register offset to clk_register_gate which performs direct
PMC access during clk_ops and with this when PMC is in secure mode, any
access from non-secure world does not go through.
This patch adds blink control registration to the Tegra PMC driver using
PMC specific clock gate operations that use tegra_pmc_readl() and
tegra_pmc_writel() to support both secure mode and non-secure
mode PMC register access.
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tegra PMC has clk_out_1, clk_out_2, and clk_out_3 clocks and currently
these PMC clocks are registered by Tegra clock driver with each clock as
separate mux and gate clocks using clk_register_mux and clk_register_gate
by passing PMC base address and register offsets and PMC programming for
these clocks happens through direct PMC access by the clock driver.
With this, when PMC is in secure mode any direct PMC access from the
non-secure world does not go through and these clocks will not be
functional.
This patch adds these PMC clocks registration to pmc driver with PMC as
a clock provider and registers each clock as single clock.
clk_ops callback implementations for these clocks uses tegra_pmc_readl and
tegra_pmc_writel which supports PMC programming in both secure mode and
non-secure mode.
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This is a single character that we're printing out. Use seq_putc() for
that to simplify the code.
Cc: Vaishali Thakkar <vaishali.thakkar@linaro.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200309185123.65265-1-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This tracepoint is hit now that we call into the rpmh code from the cpu
idle path. Let's move this to be an rcuidle tracepoint so that we avoid
the RCU idle splat below
=============================
WARNING: suspicious RCU usage
5.4.10 #68 Tainted: G S
-----------------------------
drivers/soc/qcom/trace-rpmh.h:72 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
RCU used illegally from idle CPU!
rcu_scheduler_active = 2, debug_locks = 1
RCU used illegally from extended quiescent state!
5 locks held by swapper/2/0:
#0: ffffff81745d6ee8 (&(&genpd->slock)->rlock){+.+.}, at: genpd_lock_spin+0x1c/0x2c
#1: ffffff81745da6e8 (&(&genpd->slock)->rlock/1){....}, at: genpd_lock_nested_spin+0x24/0x34
#2: ffffff8174f2ca20 (&(&genpd->slock)->rlock/2){....}, at: genpd_lock_nested_spin+0x24/0x34
#3: ffffff8174f2c300 (&(&drv->client.cache_lock)->rlock){....}, at: rpmh_flush+0x48/0x24c
#4: ffffff8174f2c150 (&(&tcs->lock)->rlock){+.+.}, at: rpmh_rsc_write_ctrl_data+0x74/0x270
stack backtrace:
CPU: 2 PID: 0 Comm: swapper/2 Tainted: G S 5.4.10 #68
Call trace:
dump_backtrace+0x0/0x174
show_stack+0x20/0x2c
dump_stack+0xc8/0x124
lockdep_rcu_suspicious+0xe4/0x104
__tcs_buffer_write+0x230/0x2d0
rpmh_rsc_write_ctrl_data+0x210/0x270
rpmh_flush+0x84/0x24c
rpmh_domain_power_off+0x78/0x98
_genpd_power_off+0x40/0xc0
genpd_power_off+0x168/0x208
genpd_power_off+0x1e0/0x208
genpd_power_off+0x1e0/0x208
genpd_runtime_suspend+0x1ac/0x220
__rpm_callback+0x70/0xfc
rpm_callback+0x34/0x8c
rpm_suspend+0x218/0x4a4
__pm_runtime_suspend+0x88/0xac
psci_enter_domain_idle_state+0x3c/0xb4
cpuidle_enter_state+0xb8/0x284
cpuidle_enter+0x38/0x4c
call_cpuidle+0x3c/0x68
do_idle+0x194/0x260
cpu_startup_entry+0x24/0x28
secondary_start_kernel+0x150/0x15c
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Fixes: a65a397f24 ("cpuidle: psci: Add support for PM domains by using genpd")
Reported-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200115013751.249588-1-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
QMI helpers are not always used by Qualcomm platforms. One of the
exceptions is the external modems available in near future.
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200220095854.4804-17-manivannan.sadhasivam@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
When MESON_SECURE_PM_DOMAINS & !MESON_SM, there will be compile failure:
.../meson-secure-pwrc.o: In function `meson_secure_pwrc_on':
.../meson-secure-pwrc.c:76: undefined reference to `meson_sm_call'
Fix this by adding depends on MESON_SM for MESON_SECURE_PM_DOMAINS.
Fixes: b3dde5013e ("soc: amlogic: Add support for Secure power domains controller")
Reported-by: Stephen Rothwell<sfr@canb.auug.org.au>
Reported-by: patchwork-bot+linux-amlogic<patchwork-bot+linux-amlogic@kernel.org>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Stephen Rothwell<sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/1581955933-69832-1-git-send-email-jianxin.pan@amlogic.com
Some cpuidle C-states supported on am335x and am437x, like C1 on am335x,
require the use of the wkup_m3_ipc driver, and all C-states beyond C0 on
both platforms require the use of the SRAM sleep code.
Pass am33xx_do_sram_idle as the idle function to the platform pm core to
be used by the cpuidle-arm driver when entering cpuidle states.
am33xx_do_sram_idle will detect when the wkup_m3 is needed and ping it
if necessary before calling the final cpu_suspend op which will execute
the SRAM code to put the cpu into idle.
Finally, use the begin_suspend and finish_suspend platform ops to be
called at the beginning and end of suspend path to allow use of
cpu_idle_poll_ctrl.
This prevents races between cpuidle and suspend paths trying to
communicate with the wkup_m3, as during suspend we only want it
configured for entry to suspend.
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
In order for am335x and am437x to properly enter deeper c-states in
cpuidle they must always call into the sleep33/43xx suspend code and
also sometimes invoke the wkup_m3_ipc driver. These are both controlled
by the pm33xx module so we must provide a method for the platform code
to call back into the module when it is available as the core cpuidle
ops that are invoked by the cpuidle-arm driver must remain as built in.
Extend the init platform op to take an idle function as an argument so
that we can use this to call into the pm33xx module for c-states that
need it. Also add a deinit op so we can unregister this idle function
from the PM core when the pm33xx module gets unloaded.
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
- Build v7_cpu_resume() unconditionally to fix system hang in case that
suspend is disabled but cpuidle support is enabled.
- Drop unexisting Ethernet PHY device from imx8qxp-mek board.
- Fix SRAM compatible strings on imx6dl-colibri-eval-v3 board.
- Fix imx-scu driver to make sure that all messages words are written
sequentially.
- A series from Leonard Crestez to fix i.MX SC API users, having all
messages aligned on 4 bytes.
- Fix eMMC supply for phycore-som board.
- Drop bogus frequency setting from imx7-colibri SD/MMC device, so that
HS200 mode starts working and delivers better performance.
- Fix opp-supported-hw for i.MX7D to get consumer and industrial parts
work with correct frequency settings.
- Restore MDIO compatible to the correct one for LS1021A SoC.
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Merge tag 'imx-fixes-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.6:
- Build v7_cpu_resume() unconditionally to fix system hang in case that
suspend is disabled but cpuidle support is enabled.
- Drop unexisting Ethernet PHY device from imx8qxp-mek board.
- Fix SRAM compatible strings on imx6dl-colibri-eval-v3 board.
- Fix imx-scu driver to make sure that all messages words are written
sequentially.
- A series from Leonard Crestez to fix i.MX SC API users, having all
messages aligned on 4 bytes.
- Fix eMMC supply for phycore-som board.
- Drop bogus frequency setting from imx7-colibri SD/MMC device, so that
HS200 mode starts working and delivers better performance.
- Fix opp-supported-hw for i.MX7D to get consumer and industrial parts
work with correct frequency settings.
- Restore MDIO compatible to the correct one for LS1021A SoC.
* tag 'imx-fixes-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx-scu: Align imx sc msg structs to 4
firmware: imx: Align imx_sc_msg_req_cpu_start to 4
firmware: imx: scu-pd: Align imx sc msg structs to 4
firmware: imx: misc: Align imx sc msg structs to 4
firmware: imx: scu: Ensure sequential TX
ARM: dts: imx7-colibri: Fix frequency for sd/mmc
arm64: dts: imx8qxp-mek: Remove unexisting Ethernet PHY
ARM: dts: imx6dl-colibri-eval-v3: fix sram compatible properties
ARM: dts: ls1021a: Restore MDIO compatible to gianfar
ARM: dts: imx7d: fix opp-supported-hw
ARM: imx: build v7_cpu_resume() unconditionally
ARM: dts: imx6: phycore-som: fix emmc supply
Link: https://lore.kernel.org/r/20200224120334.GH27688@dragon
Signed-off-by: Olof Johansson <olof@lixom.net>
The imx SC api strongly assumes that messages are composed out of
4-bytes words but some of our message structs have odd sizeofs.
This produces many oopses with CONFIG_KASAN=y.
Fix by marking with __aligned(4).
Fixes: 73feb4d0f8 ("soc: imx-scu: Add SoC UID(unique identifier) support")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Pointer p is currently being dereferenced before it is null
checked on a memory allocation failure check. Fix this by
checking if p is null before dereferencing it.
Addresses-Coverity: ("Dereference before null check")
Fixes: 3b2abda7d2 ("soc: fsl: dpio: Replace QMAN array mode with ring mode enqueue")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Replace the final user of CONFIG_ARCH_R8A7795 by CONFIG_ARCH_R8A77950 ||
CONFIG_ARCH_R8A77951, and remove the now unused CONFIG_ARCH_R8A7795
symbol definition.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200218112449.5723-1-geert+renesas@glider.be
This change of algorithm will enable faster bulk enqueue.
This will greatly benefit XDP bulk enqueue.
Signed-off-by: Youri Querry <youri.querry_1@nxp.com>
Acked-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
We are making the access decision in the initialization and
setting the function pointers accordingly.
Signed-off-by: Youri Querry <youri.querry_1@nxp.com>
Acked-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Update of QMAN the interface to enqueue frame. We now support multiple
enqueue (qbman_swp_enqueue_multiple) and multiple enqueue with
a table of descriptor (qbman_swp_enqueue_multiple_desc).
Signed-off-by: Youri Querry <youri.querry_1@nxp.com>
Acked-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This patch corrects the SPDX License Identifier style in
header file related to Renesas Soc driver support.
It assigns explicit block comment to the SPDX License Identifier.
Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.
Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Link: https://lore.kernel.org/r/20200118124856.GA3421@nishad
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
MT6359 is a new power management IC and it is used for
MT6779 SoCs. To define mt6359_regs for pmic register mapping
and pmic_mt6359 for accessing register.
Signed-off-by: Argus Lin <argus.lin@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
MT6779 is a highly integrated SoCs, it uses PMIC_MT6359 for
power management. This patch adds pwrap master driver to
access PMIC_MT6359.
Signed-off-by: Argus Lin <argus.lin@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Add support for the Amlogic Secure Power controller. In A1/C1 series, power
control registers are in secure domain, and should be accessed by smc.
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/1579087831-94965-4-git-send-email-jianxin.pan@amlogic.com
Mediatek CMDQ driver have a mechanism to do TXDONE_BY_ACK,
so we should set knows_txdone.
Fixes:576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper")
Cc: stable@vger.kernel.org # v5.0+
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
In some device memory used by msm_qmp, there can be an early ack of a
write to memory succeeding. This may cause the outgoing interrupt to be
triggered before the msgram reflects the write.
Add a readback to ensure the data is flushed to device memory before
triggering the ipc interrupt.
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Link: https://lore.kernel.org/r/1579681454-1229-1-git-send-email-aneela@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
During the probe the task is waiting in TASK_UNINTERRUPTIBLE state which
cannot be woken-up by wake_up_interruptible_all() function.
Use wake_up_all() to wake-up both TASK_UNINTERRUPTIBLE and
TASK_INTERRUPTIBLE state tasks.
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Link: https://lore.kernel.org/r/1579681417-1155-1-git-send-email-aneela@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This header is included indirectly on arm/arm64 but not on x86 so
CONFIG_COMPILE_TEST breaks. Fix by including <linux/sizes.h> directly.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
rpmh_flush() was exported with the idea that an external entity
operation during CPU idle would know when to flush the sleep and wake
TCS. Since, this is not the case when defining a power domain for the
RSC. Remove the function export and instead allow the function to be
called internally.
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1580736940-6985-3-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Device argument matches with dev variable declared in RPMH message.
Compiler reports error when the argument is NULL since the argument
matches the name of the property. Rename dev argument to device to
fix this.
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1580736940-6985-2-git-send-email-mkshah@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
If only Tegra194 support is enabled, the tegra30_fuse_read() and
tegra30_fuse_init() function are not declared and cause a build failure.
Add Tegra194 to the preprocessor guard to make sure these functions are
available for Tegra194-only builds as well.
Link: https://lore.kernel.org/r/20200203143114.3967295-1-thierry.reding@gmail.com
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
SH-Mobile AG5 and R-Car H1 SoCs are based on the Cortex-A9 MPCore, which
includes a global timer.
Enable the ARM global timer on these SoCs, which will be used for:
- the scheduler clock, improving scheduler accuracy from 10 ms to 3 or
4 ns,
- delay loops, allowing removal of calls to shmobile_init_delay() from
the corresponding machine vectors.
Note that when using an old DTB lacking the global timer, the kernel
will still work. However, loops-per-jiffies will no longer be preset,
and the delay loop will need to be calibrated during boot.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191211135222.26770-5-geert+renesas@glider.be
Various driver updates for platforms:
- Nvidia: Fuse support for Tegra194, continued memory controller pieces
for Tegra30
- NXP/FSL: Refactorings of QuickEngine drivers to support ARM/ARM64/PPC
- NXP/FSL: i.MX8MP SoC driver pieces
- TI Keystone: ring accelerator driver
- Qualcomm: SCM driver cleanup/refactoring + support for new SoCs.
- Xilinx ZynqMP: feature checking interface for firmware. Mailbox
communication for power management
- Overall support patch set for cpuidle on more complex hierarchies
(PSCI-based)
+ Misc cleanups, refactorings of Marvell, TI, other platforms.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC-related driver updates from Olof Johansson:
"Various driver updates for platforms:
- Nvidia: Fuse support for Tegra194, continued memory controller
pieces for Tegra30
- NXP/FSL: Refactorings of QuickEngine drivers to support
ARM/ARM64/PPC
- NXP/FSL: i.MX8MP SoC driver pieces
- TI Keystone: ring accelerator driver
- Qualcomm: SCM driver cleanup/refactoring + support for new SoCs.
- Xilinx ZynqMP: feature checking interface for firmware. Mailbox
communication for power management
- Overall support patch set for cpuidle on more complex hierarchies
(PSCI-based)
and misc cleanups, refactorings of Marvell, TI, other platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (166 commits)
drivers: soc: xilinx: Use mailbox IPI callback
dt-bindings: power: reset: xilinx: Add bindings for ipi mailbox
drivers: soc: ti: knav_qmss_queue: Pass lockdep expression to RCU lists
MAINTAINERS: Add brcmstb PCIe controller entry
soc/tegra: fuse: Unmap registers once they are not needed anymore
soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
soc/tegra: fuse: Warn if straps are not ready
soc/tegra: fuse: Cache values of straps and Chip ID registers
memory: tegra30-emc: Correct error message for timed out auto calibration
memory: tegra30-emc: Firm up hardware programming sequence
memory: tegra30-emc: Firm up suspend/resume sequence
soc/tegra: regulators: Do nothing if voltage is unchanged
memory: tegra: Correct reset value of xusb_hostr
soc/tegra: fuse: Add APB DMA dependency for Tegra20
bus: tegra-aconnect: Remove PM_CLK dependency
dt-bindings: mediatek: add MT6765 power dt-bindings
soc: mediatek: cmdq: delete not used define
memory: tegra: Add support for the Tegra194 memory controller
memory: tegra: Only include support for enabled SoCs
memory: tegra: Support DVFS on Tegra186 and later
...
Most of these are smaller fixes that have accrued, and some continued
cleanup of OMAP platforms towards shared frameworks.
One new SoC from Atmel/Microchip: sam9x60.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Olof Johansson:
"Most of these are smaller fixes that have accrued, and some continued
cleanup of OMAP platforms towards shared frameworks.
One new SoC from Atmel/Microchip: sam9x60"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (35 commits)
ARM: OMAP2+: Fix undefined reference to omap_secure_init
ARM: s3c64xx: Drop unneeded select of TIMER_OF
ARM: exynos: Drop unneeded select of MIGHT_HAVE_CACHE_L2X0
ARM: s3c24xx: Switch to atomic pwm API in rx1950
ARM: OMAP2+: sleep43xx: Call secure suspend/resume handlers
ARM: OMAP2+: Use ARM SMC Calling Convention when OP-TEE is available
ARM: OMAP2+: Introduce check for OP-TEE in omap_secure_init()
ARM: OMAP2+: Add omap_secure_init callback hook for secure initialization
ARM: at91: Documentation: add sam9x60 product and datasheet
ARM: at91: pm: use of_device_id array to find the proper shdwc node
ARM: at91: pm: use SAM9X60 PMC's compatible
ARM: imx: only select ARM_ERRATA_814220 for ARMv7-A
ARM: zynq: use physical cpuid in zynq_slcr_cpu_stop/start
ARM: tegra: Use clk_m CPU on Tegra124 LP1 resume
ARM: tegra: Modify reshift divider during LP1
ARM: tegra: Enable PLLP bypass during Tegra124 LP1
ARM: samsung: Rename Samsung and Exynos to lowercase
ARM: exynos: Correct the help text for platform Kconfig option
ARM: bcm: Select ARM_AMBA for ARCH_BRCMSTB
ARM: brcmstb: Add debug UART entry for 7216
...
- Support mremap() for the VDSO, primarily to allow CRIU to restore the
VDSO to its checkpointed location.
- Restore the MIPS32 cBPF JIT, after having reverted the enablement of
the eBPF JIT for MIPS32 systems in the 5.5 cycle.
- Improve cop0 counter synchronization behaviour whilst onlining CPUs by
running with interrupts disabled.
- Better match FPU behaviour when emulating multiply-accumulate
instructions on pre-r6 systems that implement IEEE754-2008 style MACs.
- Loongson64 kernels now build using the MIPS64r2 ISA, allowing them to
take advantage of instructions introduced by r2.
- Support for the Ingenic X1000 SoC & the really nice little CU Neo
development board that's using it.
- Support for WMAC on GARDENA Smart Gateway devices.
- Lots of cleanup & refactoring of SGI IP27 (Origin 2*) support in
preparation for introducing IP35 (Origin 3*) support.
- Various Kconfig & Makefile cleanups.
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Merge tag 'mips_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS changes from Paul Burton:
"Nothing too big or scary in here:
- Support mremap() for the VDSO, primarily to allow CRIU to restore
the VDSO to its checkpointed location.
- Restore the MIPS32 cBPF JIT, after having reverted the enablement
of the eBPF JIT for MIPS32 systems in the 5.5 cycle.
- Improve cop0 counter synchronization behaviour whilst onlining CPUs
by running with interrupts disabled.
- Better match FPU behaviour when emulating multiply-accumulate
instructions on pre-r6 systems that implement IEEE754-2008 style
MACs.
- Loongson64 kernels now build using the MIPS64r2 ISA, allowing them
to take advantage of instructions introduced by r2.
- Support for the Ingenic X1000 SoC & the really nice little CU Neo
development board that's using it.
- Support for WMAC on GARDENA Smart Gateway devices.
- Lots of cleanup & refactoring of SGI IP27 (Origin 2*) support in
preparation for introducing IP35 (Origin 3*) support.
- Various Kconfig & Makefile cleanups"
* tag 'mips_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (60 commits)
MIPS: PCI: Add detection of IOC3 on IO7, IO8, IO9 and Fuel
MIPS: Loongson64: Disable exec hazard
MIPS: Loongson64: Bump ISA level to MIPSR2
MIPS: Make DIEI support as a config option
MIPS: OCTEON: octeon-irq: fix spelling mistake "to" -> "too"
MIPS: asm: local: add barriers for Loongson
MIPS: Loongson64: Select mac2008 only feature
MIPS: Add MAC2008 Support
Revert "MIPS: Add custom serial.h with BASE_BAUD override for generic kernel"
MIPS: sort MIPS and MIPS_GENERIC Kconfig selects alphabetically (again)
MIPS: make CPU_HAS_LOAD_STORE_LR opt-out
MIPS: generic: don't unconditionally select PINCTRL
MIPS: don't explicitly select LIBFDT in Kconfig
MIPS: sync-r4k: do slave counter synchronization with disabled HW interrupts
MIPS: SGI-IP30: Check for valid pointer before using it
MIPS: syscalls: fix indentation of the 'SYSNR' message
MIPS: boot: fix typo in 'vmlinux.lzma.its' target
MIPS: fix indentation of the 'RELOCS' message
dt-bindings: Document loongson vendor-prefix
MIPS: CU1000-Neo: Refresh defconfig to support HWMON and WiFi.
...
uapi:
- dma-buf heaps added (and fixed)
- command line add support for panel oreientation
- command line allow overriding penguin count
drm:
- mipi dsi definition updates
- lockdep annotations for dma_resv
- remove dma-buf kmap/kunmap support
- constify fb_ops in all fbdev drivers
- MST fix for daisy chained hotplug-
- CTA-861-G modes with VIC >= 193 added
- fix drm_panel_of_backlight export
- LVDS decoder support
- more device based logging support
- scanline alighment for dumb buffers
- MST DSC helpers
scheduler:
- documentation fixes
- job distribution improvements
panel:
- Logic PD type 28 panel support
- Jimax8729d MIPI-DSI
- igenic JZ4770
- generic DSI devicetree bindings
- sony acx424AKP panel
- Leadtek LTK500HD1829
- xinpeng XPP055C272
- AUO B116XAK01
- GiantPlus GPM940B0
- BOE NV140FHM-N49
- Satoz SAT050AT40H12R2
- Sharp LS020B1DD01D panels.
ttm:
- use blocking WW lock
i915:
- hw/uapi state separation
- Lock annotation improvements
- selftest improvements
- ICL/TGL DSI VDSC support
- VBT parsing improvments
- Display refactoring
- DSI updates + fixes
- HDCP 2.2 for CFL
- CML PCI ID fixes
- GLK+ fbc fix
- PSR fixes
- GEN/GT refactor improvments
- DP MST fixes
- switch context id alloc to xarray
- workaround updates
- LMEM debugfs support
- tiled monitor fixes
- ICL+ clock gating programming removed
- DP MST disable sequence fixed
- LMEM discontiguous object maps
- prefaulting for discontiguous objects
- use LMEM for dumb buffers if possible
- add LMEM mmap support
amdgpu:
- enable sync object timelines for vulkan
- MST atomic routines
- enable MST DSC support
- add DMCUB display microengine support
- DC OEM i2c support
- Renoir DC fixes
- Initial HDCP 2.x support
- BACO support for Arcturus
- Use BACO for runtime PM power save
- gfxoff on navi10
- gfx10 golden updates and fixes
- DCN support on POWER
- GFXOFF for raven1 refresh
- MM engine idle handlers cleanup
- 10bpc EDP panel fixes
- renoir watermark fixes
- SR-IOV fixes
- Arcturus VCN fixes
- GDDR6 training fixes
- freesync fixes
- Pollock support
amdkfd:
- unify more codepath with amdgpu
- use KIQ to setup HIQ rather than MMIO
radeon:
- fix vma fault handler race
- PPC DMA fix
- register check fixes for r100/r200
nouveau:
- mmap_sem vs dma_resv fix
- rewrite the ACR secure boot code for Turing
- TU10x graphics engine support (TU11x pending)
- Page kind mapping for turing
- 10-bit LUT support
- GP10B Tegra fixes
- HD audio regression fix
hisilicon/hibmc:
- use generic fbdev code and helpers
rockchip:
- dsi/px30 support
virtio:
- fb damage support
- static some functions
vc4:
- use dma_resv lock wrappers
msm:
- use dma_resv lock wrappers
- sc7180 display + DSI support
- a618 support
- UBWC support improvements
vmwgfx:
- updates + new logging uapi
exynos:
- enable/disable callback cleanups
etnaviv:
- use dma_resv lock wrappers
atmel-hlcdc:
- clock fixes
mediatek:
- cmdq support
- non-smooth cursor fixes
- ctm property support
sun4i:
- suspend support
- A64 mipi dsi support
rcar-du:
- Color management module support
- LVDS encoder dual-link support
- R8A77980 support
analogic:
- add support for an6345
ast:
- atomic modeset support
- primary plane garbage fix
arcgpu:
- fixes for fourcc handling
tegra:
- minor fixes and improvments
mcde:
- vblank support
meson:
- OSD1 plane AFBC commit
gma500:
- add pageflip support
- reomve global drm_dev
komeda:
- tweak debugfs output
- d32 support
- runtime PM suppotr
udl:
- use generic shmem helpers
- cleanup and fixes
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Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Davbe Airlie:
"This is the main pull request for graphics for 5.6. Usual selection of
changes all over.
I've got one outstanding vmwgfx pull that touches mm so kept it
separate until after all of this lands. I'll try and get it to you
soon after this, but it might be early next week (nothing wrong with
code, just my schedule is messy)
This also hits a lot of fbdev drivers with some cleanups.
Other notables:
- vulkan timeline semaphore support added to syncobjs
- nouveau turing secureboot/graphics support
- Displayport MST display stream compression support
Detailed summary:
uapi:
- dma-buf heaps added (and fixed)
- command line add support for panel oreientation
- command line allow overriding penguin count
drm:
- mipi dsi definition updates
- lockdep annotations for dma_resv
- remove dma-buf kmap/kunmap support
- constify fb_ops in all fbdev drivers
- MST fix for daisy chained hotplug-
- CTA-861-G modes with VIC >= 193 added
- fix drm_panel_of_backlight export
- LVDS decoder support
- more device based logging support
- scanline alighment for dumb buffers
- MST DSC helpers
scheduler:
- documentation fixes
- job distribution improvements
panel:
- Logic PD type 28 panel support
- Jimax8729d MIPI-DSI
- igenic JZ4770
- generic DSI devicetree bindings
- sony acx424AKP panel
- Leadtek LTK500HD1829
- xinpeng XPP055C272
- AUO B116XAK01
- GiantPlus GPM940B0
- BOE NV140FHM-N49
- Satoz SAT050AT40H12R2
- Sharp LS020B1DD01D panels.
ttm:
- use blocking WW lock
i915:
- hw/uapi state separation
- Lock annotation improvements
- selftest improvements
- ICL/TGL DSI VDSC support
- VBT parsing improvments
- Display refactoring
- DSI updates + fixes
- HDCP 2.2 for CFL
- CML PCI ID fixes
- GLK+ fbc fix
- PSR fixes
- GEN/GT refactor improvments
- DP MST fixes
- switch context id alloc to xarray
- workaround updates
- LMEM debugfs support
- tiled monitor fixes
- ICL+ clock gating programming removed
- DP MST disable sequence fixed
- LMEM discontiguous object maps
- prefaulting for discontiguous objects
- use LMEM for dumb buffers if possible
- add LMEM mmap support
amdgpu:
- enable sync object timelines for vulkan
- MST atomic routines
- enable MST DSC support
- add DMCUB display microengine support
- DC OEM i2c support
- Renoir DC fixes
- Initial HDCP 2.x support
- BACO support for Arcturus
- Use BACO for runtime PM power save
- gfxoff on navi10
- gfx10 golden updates and fixes
- DCN support on POWER
- GFXOFF for raven1 refresh
- MM engine idle handlers cleanup
- 10bpc EDP panel fixes
- renoir watermark fixes
- SR-IOV fixes
- Arcturus VCN fixes
- GDDR6 training fixes
- freesync fixes
- Pollock support
amdkfd:
- unify more codepath with amdgpu
- use KIQ to setup HIQ rather than MMIO
radeon:
- fix vma fault handler race
- PPC DMA fix
- register check fixes for r100/r200
nouveau:
- mmap_sem vs dma_resv fix
- rewrite the ACR secure boot code for Turing
- TU10x graphics engine support (TU11x pending)
- Page kind mapping for turing
- 10-bit LUT support
- GP10B Tegra fixes
- HD audio regression fix
hisilicon/hibmc:
- use generic fbdev code and helpers
rockchip:
- dsi/px30 support
virtio:
- fb damage support
- static some functions
vc4:
- use dma_resv lock wrappers
msm:
- use dma_resv lock wrappers
- sc7180 display + DSI support
- a618 support
- UBWC support improvements
vmwgfx:
- updates + new logging uapi
exynos:
- enable/disable callback cleanups
etnaviv:
- use dma_resv lock wrappers
atmel-hlcdc:
- clock fixes
mediatek:
- cmdq support
- non-smooth cursor fixes
- ctm property support
sun4i:
- suspend support
- A64 mipi dsi support
rcar-du:
- Color management module support
- LVDS encoder dual-link support
- R8A77980 support
analogic:
- add support for an6345
ast:
- atomic modeset support
- primary plane garbage fix
arcgpu:
- fixes for fourcc handling
tegra:
- minor fixes and improvments
mcde:
- vblank support
meson:
- OSD1 plane AFBC commit
gma500:
- add pageflip support
- reomve global drm_dev
komeda:
- tweak debugfs output
- d32 support
- runtime PM suppotr
udl:
- use generic shmem helpers
- cleanup and fixes"
* tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm: (1998 commits)
drm/nouveau/fb/gp102-: allow module to load even when scrubber binary is missing
drm/nouveau/acr: return error when registering LSF if ACR not supported
drm/nouveau/disp/gv100-: not all channel types support reporting error codes
drm/nouveau/disp/nv50-: prevent oops when no channel method map provided
drm/nouveau: support synchronous pushbuf submission
drm/nouveau: signal pending fences when channel has been killed
drm/nouveau: reject attempts to submit to dead channels
drm/nouveau: zero vma pointer even if we only unreference it rather than free
drm/nouveau: Add HD-audio component notifier support
drm/nouveau: fix build error without CONFIG_IOMMU_API
drm/nouveau/kms/nv04: remove set but not used variable 'width'
drm/nouveau/kms/nv50: remove set but not unused variable 'nv_connector'
drm/nouveau/mmu: fix comptag memory leak
drm/nouveau/gr/gp10b: Use gp100_grctx and gp100_gr_zbc
drm/nouveau/pmu/gm20b,gp10b: Fix Falcon bootstrapping
drm/exynos: Rename Exynos to lowercase
drm/exynos: change callback names
drm/mst: Don't do atomic checks over disabled managers
drm/amdgpu: add the lost mutex_init back
drm/amd/display: skip opp blank or unblank if test pattern enabled
...
- remove ioremap_nocache given that is is equivalent to
ioremap everywhere
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Merge tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap
Pull ioremap updates from Christoph Hellwig:
"Remove the ioremap_nocache API (plus wrappers) that are always
identical to ioremap"
* tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap:
remove ioremap_nocache and devm_ioremap_nocache
MIPS: define ioremap_nocache to ioremap
- Core:
- Support for dynamic channels
- Removal of various slave wrappers
- Make few slave request APIs as private to dmaengine
- Symlinks between channels and slaves
- Support for hotplug of controllers
- Support for metadata_ops for dma_async_tx_descriptor
- Reporting DMA cached data amount
- Virtual dma channel locking updates
- New drivers/device/feature support support:
- Driver for Intel data accelerators
- Driver for TI K3 UDMA
- Driver for PLX DMA engine
- Driver for hisilicon Kunpeng DMA engine
- Support for eDMA support for QorIQ LS1028A in fsl edma driver
- Support for cyclic dma in sun4i driver
- Support for X1830 in JZ4780 driver
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Merge tag 'dmaengine-5.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This time we have a bunch of core changes to support dynamic channels,
hotplug of controllers, new apis for metadata ops etc along with new
drivers for Intel data accelerators, TI K3 UDMA, PLX DMA engine and
hisilicon Kunpeng DMA engine. Also usual assorted updates to drivers.
Core:
- Support for dynamic channels
- Removal of various slave wrappers
- Make few slave request APIs as private to dmaengine
- Symlinks between channels and slaves
- Support for hotplug of controllers
- Support for metadata_ops for dma_async_tx_descriptor
- Reporting DMA cached data amount
- Virtual dma channel locking updates
New drivers/device/feature support support:
- Driver for Intel data accelerators
- Driver for TI K3 UDMA
- Driver for PLX DMA engine
- Driver for hisilicon Kunpeng DMA engine
- Support for eDMA support for QorIQ LS1028A in fsl edma driver
- Support for cyclic dma in sun4i driver
- Support for X1830 in JZ4780 driver"
* tag 'dmaengine-5.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (62 commits)
dmaengine: Create symlinks between DMA channels and slaves
dmaengine: hisilicon: Add Kunpeng DMA engine support
dmaengine: idxd: add char driver to expose submission portal to userland
dmaengine: idxd: connect idxd to dmaengine subsystem
dmaengine: idxd: add descriptor manipulation routines
dmaengine: idxd: add sysfs ABI for idxd driver
dmaengine: idxd: add configuration component of driver
dmaengine: idxd: Init and probe for Intel data accelerators
dmaengine: add support to dynamic register/unregister of channels
dmaengine: break out channel registration
x86/asm: add iosubmit_cmds512() based on MOVDIR64B CPU instruction
dmaengine: ti: k3-udma: fix spelling mistake "limted" -> "limited"
dmaengine: s3c24xx-dma: fix spelling mistake "to" -> "too"
dmaengine: Move dma_get_{,any_}slave_channel() to private dmaengine.h
dmaengine: Remove dma_request_slave_channel_compat() wrapper
dmaengine: Remove dma_device_satisfies_mask() wrapper
dt-bindings: fsl-imx-sdma: Add i.MX8MM/i.MX8MN/i.MX8MP compatible string
dmaengine: zynqmp_dma: fix burst length configuration
dmaengine: sun4i: Add support for cyclic requests with dedicated DMA
dmaengine: fsl-qdma: fix duplicated argument to &&
...
- Extend firmware interface for feature checking
- Use mailbox for communication with firmware for power management
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Merge tag 'zynqmp-soc-for-v5.6' of https://github.com/Xilinx/linux-xlnx into arm/drivers
arm64: soc: ZynqMP SoC changes for v5.6
- Extend firmware interface for feature checking
- Use mailbox for communication with firmware for power management
* tag 'zynqmp-soc-for-v5.6' of https://github.com/Xilinx/linux-xlnx:
drivers: soc: xilinx: Use mailbox IPI callback
dt-bindings: power: reset: xilinx: Add bindings for ipi mailbox
drivers: firmware: xilinx: Add support for feature check
Link: https://lore.kernel.org/r/f6fb26f8-b00d-a3e8-bf7d-c7ff2a8483b1@monstr.eu
Signed-off-by: Olof Johansson <olof@lixom.net>
Add support for init suspend callback through mailbox IPI callback.
Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
- clean ups of unused code and debuggability
- add cmdq_instruction to make the function call interface more readable
- add functions for polling and providing info for the user of cmdq
scpsys:
- add bindings for MT6765
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Merge tag 'v5.5-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/drivers
cmdq:
- clean ups of unused code and debuggability
- add cmdq_instruction to make the function call interface more readable
- add functions for polling and providing info for the user of cmdq
scpsys:
- add bindings for MT6765
* tag 'v5.5-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
dt-bindings: mediatek: add MT6765 power dt-bindings
soc: mediatek: cmdq: delete not used define
soc: mediatek: cmdq: add cmdq_dev_get_client_reg function
soc: mediatek: cmdq: add polling function
soc: mediatek: cmdq: define the instruction struct
soc: mediatek: cmdq: remove OR opertaion from err return
Link: https://lore.kernel.org/r/9b365e76-e346-f813-d750-d7cfd0d16e4e@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
inst->handles is traversed using list_for_each_entry_rcu
outside an RCU read-side critical section but under the protection
of knav_dev_lock.
Hence, add corresponding lockdep expression to silence false-positive
lockdep warnings, and harden RCU lists.
Add macro for the corresponding lockdep expression.
Link: https://lore.kernel.org/r/20200118042433.4968-1-frextrite@gmail.com
Signed-off-by: Amol Grover <frextrite@gmail.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
The Ring Accelerator (RINGACC or RA) provides hardware acceleration to
enable straightforward passing of work between a producer and a consumer.
There is one RINGACC module per NAVSS on TI AM65x SoCs.
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Merge tag 'drivers_soc_for_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into arm/drivers
SOC: TI Keystone Ring Accelerator driver
The Ring Accelerator (RINGACC or RA) provides hardware acceleration to
enable straightforward passing of work between a producer and a consumer.
There is one RINGACC module per NAVSS on TI AM65x SoCs.
* tag 'drivers_soc_for_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
soc: ti: k3: add navss ringacc driver
bindings: soc: ti: add documentation for k3 ringacc
Link: https://lore.kernel.org/r/1579205259-4845-1-git-send-email-santosh.shilimkar@oracle.com
Signed-off-by: Olof Johansson <olof@lixom.net>
I've been sitting on these longer than I meant, so the patch count is
a bit higher than ideal for this part of the release. There's also some
reverts of double-applied patches that brings the diffstat up a bit.
With that said, the biggest changes are:
- Revert of duplicate i2c device addition on two Aspeed (BMC) Devicetrees.
- Move of two device nodes that got applied to the wrong part of the
tree on ASpeed G6.
- Regulator fix for Beaglebone X15 (adding 12/5V supplies)
- Use interrupts for keys on Amlogic SM1 to avoid missed polls
In addition to that, there is a collection of smaller DT fixes:
- Power supply assignment fixes for i.MX6
- Fix of interrupt line for magnetometer on i.MX8 Librem5 devkit
- Build fixlets (selects) for davinci/omap2+
- More interrupt number fixes for Stratix10, Amlogic SM1, etc.
- ... and more similar fixes across different platforms
And some non-DT stuff:
- optee fix to register multiple shared pages properly
- Clock calculation fixes for MMP3
- Clock fixes for OMAP as well
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"I've been sitting on these longer than I meant, so the patch count is
a bit higher than ideal for this part of the release. There's also
some reverts of double-applied patches that brings the diffstat up a
bit.
With that said, the biggest changes are:
- Revert of duplicate i2c device addition on two Aspeed (BMC)
Devicetrees.
- Move of two device nodes that got applied to the wrong part of the
tree on ASpeed G6.
- Regulator fix for Beaglebone X15 (adding 12/5V supplies)
- Use interrupts for keys on Amlogic SM1 to avoid missed polls
In addition to that, there is a collection of smaller DT fixes:
- Power supply assignment fixes for i.MX6
- Fix of interrupt line for magnetometer on i.MX8 Librem5 devkit
- Build fixlets (selects) for davinci/omap2+
- More interrupt number fixes for Stratix10, Amlogic SM1, etc.
- ... and more similar fixes across different platforms
And some non-DT stuff:
- optee fix to register multiple shared pages properly
- Clock calculation fixes for MMP3
- Clock fixes for OMAP as well"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (42 commits)
MAINTAINERS: Add myself as the co-maintainer for Actions Semi platforms
ARM: dts: imx7: Fix Toradex Colibri iMX7S 256MB NAND flash support
ARM: dts: imx6sll-evk: Remove incorrect power supply assignment
ARM: dts: imx6sl-evk: Remove incorrect power supply assignment
ARM: dts: imx6sx-sdb: Remove incorrect power supply assignment
ARM: dts: imx6qdl-sabresd: Remove incorrect power supply assignment
ARM: dts: imx6q-icore-mipi: Use 1.5 version of i.Core MX6DL
ARM: omap2plus: select RESET_CONTROLLER
ARM: davinci: select CONFIG_RESET_CONTROLLER
ARM: dts: aspeed: rainier: Fix fan fault and presence
ARM: dts: aspeed: rainier: Remove duplicate i2c busses
ARM: dts: aspeed: tacoma: Remove duplicate flash nodes
ARM: dts: aspeed: tacoma: Remove duplicate i2c busses
ARM: dts: aspeed: tacoma: Fix fsi master node
ARM: dts: aspeed-g6: Fix FSI master location
ARM: dts: mmp3: Fix the TWSI ranges
clk: mmp2: Fix the order of timer mux parents
ARM: mmp: do not divide the clock rate
arm64: dts: rockchip: Fix IR on Beelink A1
optee: Fix multi page dynamic shm pool alloc
...
* SCM major refactoring and cleanup
* Properly flag active only power domains as active only
* Add SC7180 and SM8150 RPMH power domains
* Return EPROBE_DEFER from QMI if packet family is not yet available
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Merge tag 'qcom-drivers-for-5.6' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm driver updates for v5.6
* SCM major refactoring and cleanup
* Properly flag active only power domains as active only
* Add SC7180 and SM8150 RPMH power domains
* Return EPROBE_DEFER from QMI if packet family is not yet available
* tag 'qcom-drivers-for-5.6' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (27 commits)
firmware: qcom_scm: Dynamically support SMCCC and legacy conventions
firmware: qcom_scm: Remove thin wrappers
firmware: qcom_scm: Order functions, definitions by service/command
firmware: qcom_scm-32: Add device argument to atomic calls
firmware: qcom_scm-32: Create common legacy atomic call
firmware: qcom_scm-32: Move SMCCC register filling to qcom_scm_call
firmware: qcom_scm-32: Use qcom_scm_desc in non-atomic calls
firmware: qcom_scm-32: Add funcnum IDs
firmware: qcom_scm-32: Use SMC arch wrappers
firmware: qcom_scm-64: Improve SMC convention detection
firmware: qcom_scm-64: Move SMC register filling to qcom_scm_call_smccc
firmware: qcom_scm-64: Add SCM results struct
firmware: qcom_scm-64: Move svc/cmd/owner into qcom_scm_desc
firmware: qcom_scm-64: Make SMC macros less magical
firmware: qcom_scm: Remove unused qcom_scm_get_version
firmware: qcom_scm: Apply consistent naming scheme to command IDs
firmware: qcom_scm: Rename macros and structures
soc: qcom: rpmhpd: Set 'active_only' for active only power domains
firmware: scm: Add stubs for OCMEM and restore_sec_cfg_available
dt-bindings: power: rpmpd: Convert rpmpd bindings to yaml
...
Link: https://lore.kernel.org/r/20200113204405.GD3325@yoga
Signed-off-by: Olof Johansson <olof@lixom.net>
QUICC Engine drivers
- Improve the QE drivers to be compatible with ARM/ARM64/PPC64
architectures
- Various cleanups to the QE drivers
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Merge tag 'soc-fsl-next-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers
NXP/FSL SoC driver updates for v5.6
QUICC Engine drivers
- Improve the QE drivers to be compatible with ARM/ARM64/PPC64
architectures
- Various cleanups to the QE drivers
* tag 'soc-fsl-next-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux: (49 commits)
soc: fsl: qe: remove set but not used variable 'mm_gc'
soc: fsl: qe: remove PPC32 dependency from CONFIG_QUICC_ENGINE
soc: fsl: qe: remove unused #include of asm/irq.h from ucc.c
net: ethernet: freescale: make UCC_GETH explicitly depend on PPC32
net/wan/fsl_ucc_hdlc: reject muram offsets above 64K
net/wan/fsl_ucc_hdlc: fix reading of __be16 registers
net/wan/fsl_ucc_hdlc: avoid use of IS_ERR_VALUE()
soc: fsl: qe: avoid IS_ERR_VALUE in ucc_fast.c
soc: fsl: qe: drop pointless check in qe_sdma_init()
soc: fsl: qe: drop use of IS_ERR_VALUE in qe_sdma_init()
soc: fsl: qe: avoid IS_ERR_VALUE in ucc_slow.c
soc: fsl: qe: refactor cpm_muram_alloc_common to prevent BUG on error path
soc: fsl: qe: drop broken lazy call of cpm_muram_init()
soc: fsl: qe: make cpm_muram_free() ignore a negative offset
soc: fsl: qe: make cpm_muram_free() return void
soc: fsl: qe: change return type of cpm_muram_alloc() to s32
serial: ucc_uart: access __be32 field using be32_to_cpu
serial: ucc_uart: limit brg-frequency workaround to PPC32
serial: ucc_uart: use of_property_read_u32() in ucc_uart_probe()
serial: ucc_uart: stub out soft_uart_init for !CONFIG_PPC32
...
Link: https://lore.kernel.org/r/1578608351-23289-1-git-send-email-leoyang.li@nxp.com
Signed-off-by: Olof Johansson <olof@lixom.net>
- Add i.MX8MP SoC driver support.
- Allow IMX DSP Protocol driver to be built as module.
- Add COMPILE_TEST for IMX_SCU_SOC driver to increase build coverage.
- Print SoC type and revision in i.MX8 SoC driver, as this is useful
information to have when looking through boot log.
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Merge tag 'imx-driver-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX driver changes for 5.6:
- Add i.MX8MP SoC driver support.
- Allow IMX DSP Protocol driver to be built as module.
- Add COMPILE_TEST for IMX_SCU_SOC driver to increase build coverage.
- Print SoC type and revision in i.MX8 SoC driver, as this is useful
information to have when looking through boot log.
* tag 'imx-driver-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
firmware: imx: Allow IMX DSP to be selected as module
soc: imx: Enable compile testing of IMX_SCU_SOC
soc: imx: Add i.MX8MP SoC driver support
soc: imx8: print SoC type and revision
Link: https://lore.kernel.org/r/20200113034006.17430-1-shawnguo@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
This adds a couple of optimizations to how the chip ID and straps are
read and adds support for the FUSE block on Tegra194. Included is also a
small optimization for the coupled regulator driver to abort early if no
voltage change has occurred.
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Merge tag 'tegra-for-5.6-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
soc: tegra: Changes for v5.6-rc1
This adds a couple of optimizations to how the chip ID and straps are
read and adds support for the FUSE block on Tegra194. Included is also a
small optimization for the coupled regulator driver to abort early if no
voltage change has occurred.
* tag 'tegra-for-5.6-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: fuse: Unmap registers once they are not needed anymore
soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
soc/tegra: fuse: Warn if straps are not ready
soc/tegra: fuse: Cache values of straps and Chip ID registers
soc/tegra: regulators: Do nothing if voltage is unchanged
soc/tegra: fuse: Add APB DMA dependency for Tegra20
soc/tegra: fuse: Add Tegra194 support
Link: https://lore.kernel.org/r/20200111003553.2411874-4-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
The Ring Accelerator (RINGACC or RA) provides hardware acceleration to
enable straightforward passing of work between a producer and a consumer.
There is one RINGACC module per NAVSS on TI AM65x SoCs.
The RINGACC converts constant-address read and write accesses to equivalent
read or write accesses to a circular data structure in memory. The RINGACC
eliminates the need for each DMA controller which needs to access ring
elements from having to know the current state of the ring (base address,
current offset). The DMA controller performs a read or write access to a
specific address range (which maps to the source interface on the RINGACC)
and the RINGACC replaces the address for the transaction with a new address
which corresponds to the head or tail element of the ring (head for reads,
tail for writes). Since the RINGACC maintains the state, multiple DMA
controllers or channels are allowed to coherently share the same rings as
applicable. The RINGACC is able to place data which is destined towards
software into cached memory directly.
Supported ring modes:
- Ring Mode
- Messaging Mode
- Credentials Mode
- Queue Manager Mode
TI-SCI integration:
Texas Instrument's System Control Interface (TI-SCI) Message Protocol now
has control over Ringacc module resources management (RM) and Rings
configuration.
The corresponding support of TI-SCI Ringacc module RM protocol
introduced as option through DT parameters:
- ti,sci: phandle on TI-SCI firmware controller DT node
- ti,sci-dev-id: TI-SCI device identifier as per TI-SCI firmware spec
if both parameters present - Ringacc driver will configure/free/reset Rings
using TI-SCI Message Ringacc RM Protocol.
The Ringacc driver manages Rings allocation by itself now and requests
TI-SCI firmware to allocate and configure specific Rings only. It's done
this way because, Linux driver implements two stage Rings allocation and
configuration (allocate ring and configure ring) while TI-SCI Message
Protocol supports only one combined operation (allocate+configure).
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The commit 9209fb5189 ("riscv: move sifive_l2_cache.c to drivers/soc")
moves the sifive L2 cache driver to driver/soc. It did not move the
header file along with the driver. Therefore this patch moves the header
file to driver/soc
Signed-off-by: Yash Shah <yash.shah@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
[paul.walmsley@sifive.com: updated to fix the include guard]
Fixes: 9209fb5189 ("riscv: move sifive_l2_cache.c to drivers/soc")
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
changes for 5.6, please pull the following:
- Florian provides a set of updates to the Bus Interface Unit control to
tune it appropriately for the most recent chips: 7255, 7260, 7216, 7211
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Merge tag 'arm-soc/for-5.6/drivers' of https://github.com/Broadcom/stblinux into arm/drivers
This pull request contains Broadcom ARM/ARM64/MIPS-based SoCs drivers
changes for 5.6, please pull the following:
- Florian provides a set of updates to the Bus Interface Unit control to
tune it appropriately for the most recent chips: 7255, 7260, 7216, 7211
* tag 'arm-soc/for-5.6/drivers' of https://github.com/Broadcom/stblinux:
soc: bcm: brcmstb: biuctrl: Update programming for 7211
soc: bcm: brcmstb: biuctrl: Update layout for A72 on 7211
soc: bcm: brcmstb: biuctrl: Tune interface for 7255 and 7216
soc: bcm: brcmstb: biuctrl: Tune 7260 BIU interface
Link: https://lore.kernel.org/r/20200108191114.15987-2-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
Both Chip ID and strapping registers are now read out during of APB MISC
initialization, the registers' mapping isn't needed anymore once registers
are read. Hence let's unmap registers once they are not needed anymore,
for consistency.
Suggested-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Trying to read out Chip ID before APBMISC registers are mapped won't
succeed, in a result Tegra124 gets a wrong address for the HW straps
register if machine uses an old outdated device tree.
Fixes: 297c4f3dcb ("soc/tegra: fuse: Restrict legacy code to 32-bit ARM")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Now both Chip ID and HW straps are becoming available at the same time,
thus we could simply check the availability of the ID in order to check
the availability of the straps. We couldn't check straps for 0x0 because
it could be a correct value.
This change didn't uncover any problems, but anyways it is nicer to have
straps verified for consistency with the Chip ID verification.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
There is no need to re-read Chip ID and HW straps out from hardware each
time, it is a bit nicer to cache the values in memory.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
There is no need to re-apply the same voltage. This change is just a minor
cleanup.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Define CMDQ_EOC_CMD was actually never used. Delete it.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
IMX_SCU_SOC can be compile tested to increase build coverage.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
drivers/soc/fsl/qe/gpio.c: In function qe_pin_request:
drivers/soc/fsl/qe/gpio.c:163:26: warning: variable mm_gc set but not used [-Wunused-but-set-variable]
commit 1e714e54b5 ("powerpc: qe_lib-gpio: use gpiochip data pointer")
left behind this unused variable.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
corresponding cpuidle driver. This support is based upon using the generic
PM domain, which already supports devices belonging to CPUs.
Finally, these is a DTS patch that enables the hierarchical topology to be
used for the Qcom 410c Dragonboard, which supports the PSCI OS-initiated
mode.
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Merge tag 'cpuidle_psci-v5.5-rc4' of git://git.linaro.org/people/ulf.hansson/linux-pm into arm/drivers
Initial support for hierarchical CPU arrangement, managed by PSCI and its
corresponding cpuidle driver. This support is based upon using the generic
PM domain, which already supports devices belonging to CPUs.
Finally, these is a DTS patch that enables the hierarchical topology to be
used for the Qcom 410c Dragonboard, which supports the PSCI OS-initiated
mode.
* tag 'cpuidle_psci-v5.5-rc4' of git://git.linaro.org/people/ulf.hansson/linux-pm: (611 commits)
arm64: dts: Convert to the hierarchical CPU topology layout for MSM8916
cpuidle: psci: Add support for PM domains by using genpd
PM / Domains: Introduce a genpd OF helper that removes a subdomain
cpuidle: psci: Support CPU hotplug for the hierarchical model
cpuidle: psci: Manage runtime PM in the idle path
cpuidle: psci: Prepare to use OS initiated suspend mode via PM domains
cpuidle: psci: Attach CPU devices to their PM domains
cpuidle: psci: Add a helper to attach a CPU to its PM domain
cpuidle: psci: Support hierarchical CPU idle states
cpuidle: psci: Simplify OF parsing of CPU idle state nodes
cpuidle: dt: Support hierarchical CPU idle states
of: base: Add of_get_cpu_state_node() to get idle states for a CPU node
firmware: psci: Export functions to manage the OSI mode
dt: psci: Update DT bindings to support hierarchical PSCI states
cpuidle: psci: Align psci_power_state count with idle state count
Linux 5.5-rc4
locks: print unsigned ino in /proc/locks
riscv: export flush_icache_all to modules
riscv: reject invalid syscalls below -1
riscv: fix compile failure with EXPORT_SYMBOL() & !MMU
...
Link: https://lore.kernel.org/r/20200102160820.3572-1-ulf.hansson@linaro.org
Signed-off-by: Olof Johansson <olof@lixom.net>
GCE cannot know the register base address, this function
can help cmdq client to get the cmdq_client_reg structure.
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: Houlong Wei <houlong.wei@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
add polling function in cmdq helper functions
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Define an instruction structure for gce driver to append command.
This structure can make the client's code more readability.
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Debugging gets harder if we OR two error return values.
Return each error on it's own instead
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
[mb: rephrase commit message]
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The 'active_only' attribute was accidentally never set to true for any
power domains meaning that all the code handling this attribute was
dead.
NOTE that the RPM power domain code (as opposed to the RPMh one) gets
this right.
Acked-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Fixes: 279b7e8a62 ("soc: qcom: rpmhpd: Add RPMh power domain driver")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20190214173633.211000-1-dianders@chromium.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Fix up inconsistent usage of upper and lowercase letters in "Samsung"
and "Exynos" names.
"SAMSUNG" and "EXYNOS" are not abbreviations but regular trademarked
names. Therefore they should be written with lowercase letters starting
with capital letter.
The lowercase "Exynos" name is promoted by its manufacturer Samsung
Electronics Co., Ltd., in advertisement materials and on website.
Although advertisement materials usually use uppercase "SAMSUNG", the
lowercase version is used in all legal aspects (e.g. on Wikipedia and in
privacy/legal statements on
https://www.samsung.com/semiconductor/privacy-global/).
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Despite using the same compatible values ("r8a7795"-based) because of
historical reasons, R-Car H3 ES1.x (R8A77950) and R-Car H3 ES2.0+
(R8A77951) are really different SoCs, with different part numbers.
Reflect this in the SoC configuration, by adding CONFIG_ARCH_R8A77950
and CONFIG_ARCH_R8A77951 as new config symbols. These are intended to
replace CONFIG_ARCH_R8A7795, and will allow making support for early SoC
revisions optional.
Note that for now, CONFIG_ARCH_R8A7795 is retained, and just selects
CONFIG_ARCH_R8A77950 and CONFIG_ARCH_R8A77951. This relaxes
dependencies of other subsystems on the SoC configuration symbol, and
provides a smooth transition path for config files through "make
oldconfig".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20191217183841.432-6-geert+renesas@glider.be
The configure call back takes a register pointer, so should
have been marked with __iomem. Add this to silence the
following sparse warnings:
drivers/soc/renesas/rcar-rst.c:33:22: warning: incorrect type in initializer (incompatible argument 1 (different address spaces))
drivers/soc/renesas/rcar-rst.c:33:22: expected int ( *configure )( ... )
drivers/soc/renesas/rcar-rst.c:33:22: got int ( * )( ... )
drivers/soc/renesas/rcar-rst.c:97:40: warning: incorrect type in argument 1 (different address spaces)
drivers/soc/renesas/rcar-rst.c:97:40: expected void *base
drivers/soc/renesas/rcar-rst.c:97:40: got void [noderef] <asn:2> *[assigned] base
Signed-off-by: Ben Dooks (Codethink) <ben.dooks@codethink.co.uk>
Link: https://lore.kernel.org/r/20191218135230.2610161-1-ben.dooks@codethink.co.uk
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
ioremap has provided non-cached semantics by default since the Linux 2.6
days, so remove the additional ioremap_nocache interface.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Add a matching entry for 7211 which can be programmed with the same
BIUCTRL settings as other Brahma-B53 based SoCs. While at it, rename the
function to include a72 in the name to reflect this applies to both
types of 64-bit capable CPUs that we support (Brahma-B53 and
Cortex-A72).
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
The BIUCTRL layout is a little different on 7211 which is equipped with
a Cortex-A72, account for those register offset differences. We will
match 7211 specifically in a subsequent commit.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
7255 and 7216 are some of the latest chips that were produced and
support the full register range configuration for the BIU, add the two
entries to get the expected programming.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
7260A0 and B0 are both supported, and 7260A0 has a small difference in
that it does not support the write-back control register, which is why
we have a different array of registers. Update the comment above
b53_cpubiuctrl_no_wb_regs to denote that difference.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ /\t/' -i */Kconfig
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20191120133925.13712-1-krzk@kernel.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The sifive_l2_cache.c is in no way related to RISC-V architecture
memory management. It is a little stub driver working around the fact
that the EDAC maintainers prefer their drivers to be structured in a
certain way that doesn't fit the SiFive SOCs.
Move the file to drivers/soc and add a Kconfig option for it, as well
as the whole drivers/soc boilerplate for CONFIG_SOC_SIFIVE.
Fixes: a967a289f1 ("RISC-V: sifive_l2_cache: Add L2 cache controller driver for SiFive SoCs")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
[paul.walmsley@sifive.com: keep the MAINTAINERS change specific to the L2$ controller code]
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Any user of wkup_m3_ipc calls wkup_m3_ipc_get to get a handle and this
checks the value of the static variable m3_ipc_state to see if the
wkup_m3 is ready. Currently this is populated during probe before
rproc_boot has been called, meaning there is a window of time that
wkup_m3_ipc_get can return a valid handle but the wkup_m3 itself is not
ready, leading to invalid IPC calls to the wkup_m3 and system
instability.
To avoid this, move the population of the m3_ipc_state variable until
after rproc_boot has succeeded to guarantee a valid and usable handle
is always returned.
Reported-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Use devm_platform_ioremap_resource() to simplify code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
If a client comes up early in the boot process (perhaps was a built-in
driver), qmi_handle_init() will likely fail with a EAFNOSUPPORT since the
underlying ipc router hasn't init'd and registered the address family.
This should not be a fatal error since chances are, the router will come
up later, so recode the error to EPROBE_DEFER so that clients will retry
later.
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Link: https://lore.kernel.org/r/20191106230511.1290-1-jeffrey.l.hugo@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
pm_genpd_init() can return an error. Propagate the error code to prevent
the driver from indicating that it successfully probed while there were
errors during pm_genpd_init().
Fixes: eef3c2ba0a ("soc: amlogic: Add support for Everything-Else power domains controller")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
of_genpd_add_provider_onecell() can return an error. Propagate the error
so the driver registration fails when of_genpd_add_provider_onecell()
did not work.
Fixes: eef3c2ba0a ("soc: amlogic: Add support for Everything-Else power domains controller")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
There are also PPC64, ARM and ARM64 based SOCs with a QUICC Engine,
and the core QE code as well as net/wan/fsl_ucc_hdlc and
tty/serial/ucc_uart has now been modified to not rely on ppcisms.
So extend the architectures that can select QUICC_ENGINE, and add the
rather modest requirements of OF && HAS_IOMEM.
The core code as well as the ucc_uart driver has been tested on an
LS1021A (arm), and it has also been tested that the QE code still
works on an mpc8309 (ppc). Qiang Zhao has tested that the QE-HDLC code
that gets enabled with this works on ARM64.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
When allowing this driver to be built for ARM, the build fails (for
CONFIG_SMP=y) since ARM's asm/irq.h header is not self-contained:
In file included from drivers/soc/fsl/qe/ucc.c:18:0:
>> arch/arm/include/asm/irq.h:34:50: error: unknown type name 'cpumask_t'
extern void arch_trigger_cpumask_backtrace(const cpumask_t *mask,
But nothing in this file actually uses anything from asm/irq.h -
removing this #include generates identical object code, both on PPC32
and on ARM (the latter with a patch added to asm/irq.h to make the
build work in the first place).
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
When building this on a 64-bit platform gcc rightly warns that the
error checking is broken (-ENOMEM stored in an u32 does not compare
greater than (unsigned long)-MAX_ERRNO). Instead, change the
ucc_fast_[tr]x_virtual_fifo_base_offset members to s32 and use an
ordinary check-for-negative. Also, this avoids treating 0 as "this
cannot have been returned from qe_muram_alloc() so don't free it".
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The sdma member of struct qe_immap is not at offset zero, so even if
qe_immr wasn't initialized yet (i.e. NULL), &qe_immr->sdma would not
be NULL.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Now that qe_muram_alloc() returns s32, adapt qe_sdma_init() and avoid
another few IS_ERR_VALUE() uses.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
When trying to build this for a 64-bit platform, one gets warnings
from using IS_ERR_VALUE on something which is not sizeof(long).
Instead, change the various *_offset fields to store a signed integer,
and simply check for a negative return from qe_muram_alloc(). Since
qe_muram_free() now accepts and ignores a negative argument, we only
need to make sure these fields are initialized with -1, and we can
just unconditionally call qe_muram_free() in ucc_slow_free().
Note that the error case for us_pram_offset failed to set that field
to 0 (which, as noted earlier, is anyway a bogus sentinel value).
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
If the kmalloc() fails, we try to undo the gen_pool allocation we've
just done. Unfortunately, start has already been modified to subtract
the GENPOOL_OFFSET bias, so we're freeing something that very likely
doesn't exist in the gen_pool, meaning we hit the
kernel BUG at lib/genalloc.c:399!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
...
[<803fd0e8>] (gen_pool_free) from [<80426bc8>] (cpm_muram_alloc_common+0xb0/0xc8)
[<80426bc8>] (cpm_muram_alloc_common) from [<80426c28>] (cpm_muram_alloc+0x48/0x80)
[<80426c28>] (cpm_muram_alloc) from [<80428214>] (ucc_slow_init+0x110/0x4f0)
[<80428214>] (ucc_slow_init) from [<8044a718>] (qe_uart_request_port+0x3c/0x1d8)
(this was tested by just injecting a random failure by adding
"|| (get_random_int()&7) == 0" to the "if (!entry)" condition).
Refactor the code so we do the kmalloc() first, meaning that's the
thing that needs undoing in case gen_pool_alloc_algo() then
fails. This allows a later cleanup to move the locking from the
callers into the _common function, keeping the kmalloc() out of the
critical region and then, hopefully (if all the muram_alloc callers
allow) change it to a GFP_KERNEL allocation.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
cpm_muram_alloc_common() tries to support a kind of lazy
initialization - if the muram_pool has not been created yet, it calls
cpm_muram_init(). Now, cpm_muram_alloc_common() is always called under
spin_lock_irqsave(&cpm_muram_lock, flags);
and cpm_muram_init() does gen_pool_create() (which implies a
GFP_KERNEL allocation) and ioremap(), not to mention the fun that
ensues from cpm_muram_init() doing
spin_lock_init(&cpm_muram_lock);
In other words, this has never worked, so nobody can have been relying
on it.
cpm_muram_init() is called from a subsys_initcall (either from
cpm_init() in arch/powerpc/sysdev/cpm_common.c or, via qe_reset(),
from qe_init() in drivers/soc/fsl/qe/qe.c).
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This allows one to simplify callers since they can store a negative
value as a sentinel to indicate "this was never allocated" (or store
the -ENOMEM from an allocation failure) and then call cpm_muram_free()
unconditionally.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Nobody uses the return value from cpm_muram_free, and functions that
free resources usually return void. One could imagine a use for a "how
much have I allocated" a la ksize(), but knowing how much one had
access to after the fact is useless.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
There are a number of problems with cpm_muram_alloc() and its
callers. Most callers assign the return value to some variable and
then use IS_ERR_VALUE to check for allocation failure. However, when
that variable is not sizeof(long), this leads to warnings - and it is
indeed broken to do e.g.
u32 foo = cpm_muram_alloc();
if (IS_ERR_VALUE(foo))
on a 64-bit platform, since the condition
foo >= (unsigned long)-ENOMEM
is tautologically false. There are also callers that ignore the
possibility of error, and then there are those that check for error by
comparing the return value to 0...
One could fix that by changing all callers to store the return value
temporarily in an "unsigned long" and test that. However, use of
IS_ERR_VALUE() is error-prone and should be restricted to things which
are inherently long-sized (stuff in pt_regs etc.). Instead, let's aim
for changing to the standard kernel style
int foo = cpm_muram_alloc();
if (foo < 0)
deal_with_it()
some->where = foo;
Changing the return type from unsigned long to s32 (aka signed int)
doesn't change the value that gets stored into any of the callers'
variables except if the caller was storing the result in a u64 _and_
the allocation failed, so in itself this patch should be a no-op.
Another problem with cpm_muram_alloc() is that it can certainly
validly return 0 - and except if some cpm_muram_alloc_fixed() call
interferes, the very first cpm_muram_alloc() call will return just
that. But that shows that both ucc_slow_free() and ucc_fast_free() are
buggy, since they assume that a value of 0 means "that field was never
allocated". We'll later change cpm_muram_free() to accept (and ignore)
a negative offset, so callers can use a sentinel of -1 instead of 0
and just unconditionally call cpm_muram_free().
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This is necessary for this to work on little-endian hosts.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
We need to apply be32_to_cpu to make this work correctly on
little-endian hosts.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Instead of manually doing of_get_property/of_find_property and reading
the value by assigning to a u32* or u64* and dereferencing, use the
of_property_read_* functions.
This make the code more readable, and more importantly, is required
for this to work correctly on little-endian platforms.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The public qe_ic.h header is no longer included by anything but
qe_ic.c. Merge both headers into qe_ic.c, and drop the unused
constants.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
qe_ic_init() takes a flags parameter, but all callers (including the
sole remaining one) have always passed 0. So remove that parameter and
simplify the body accordingly. We still explicitly initialize the
Interrupt Configuration Register (CICR) to its reset value of
all-zeroes, just in case the bootloader has played funny games.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
These are only called from within qe_ic.c, so make them static.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This driver is currently PPC-only, and on powerpc, NO_IRQ is 0, so
this doesn't change functionality. However, not every architecture
defines NO_IRQ, and some define it as -1, so the detection of a failed
irq_of_parse_and_map() (which returns 0 on failure) would be wrong on
those. So to prepare for allowing this driver to build on other
architectures, drop all references to NO_IRQ.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
There are no current callers of these functions, and they use the
ppc-specific virq_to_hw(). So removing them gets us one step closer to
building QE support for ARM.
If the functionality is ever actually needed, the code can be dug out
of git and then adapted to work on all architectures, but for future
reference please note that I believe qe_ic_set_priority is buggy: The
"priority < 4" should be "priority <= 4", and in the else branch 24
should be replaced by 28, at least if I'm reading the data sheet right.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The qe_ic_cascade_{low,high}_mpic functions are now used as handlers
both when the interrupt parent is mpic as well as ipic, so remove the
_mpic suffix.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
These functions are only ever called through a function pointer, and
therefore it makes no sense for them to be "static inline" - gcc has
no choice but to emit a copy in each translation unit that takes the
address of one of these. Since they are now only referenced from
qe_ic.c, just make them local to that file.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Having to call qe_ic_init() from platform-specific code makes it
awkward to allow building the QE drivers for ARM. It's also a needless
duplication of code, and slightly error-prone: Instead of the caller
needing to know the details of whether the QUICC Engine High and QUICC
Engine Low are actually the same interrupt (see e.g. the machine_is()
in mpc85xx_mds_qeic_init), just let the init function choose the
appropriate handlers after it has parsed the DT and figured it out. If
the two interrupts are distinct, use separate handlers, otherwise use
the handler which first checks the CHIVEC register (for the high
priority interrupts), then the CIVEC.
All existing callers pass 0 for flags, so continue to do that from the
new single caller. Later cleanups will remove that argument
from qe_ic_init and simplify the body, as well as make qe_ic_init into
a proper init function for an IRQCHIP_DECLARE, eliminating the need to
manually look up the fsl,qe-ic node.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
There's no point in registering with sysfs when that doesn't actually
allow any interaction with the device or driver (no uevents, no sysfs
files that provide information or allow configuration, no nothing).
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
high_active is only assigned to but never used. Remove it.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
These includes are not actually needed, and asm/rheap.h and
sysdev/fsl_soc.h are PPC-specific, hence prevent compiling QE for
other architectures.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Commit e5c5c8d23f (soc/fsl/qe: only apply QE_General4 workaround on
affected SoCs) introduced use of pvr_version_is(), saying
The QE_General4 workaround is only valid for the MPC832x and MPC836x
SoCs. The other SoCs that embed a QUICC engine are not affected by this
hardware bug and thus can use the computed divisors (this was
successfully tested on the T1040).
I'm reading the above as saying that the errata does not apply to the
ARM-based SOCs with QUICC engine. In any case, use of pvr_version_is()
must be guarded by CONFIG_PPC32 before we can remove the PPC32
dependency from CONFIG_QUICC_ENGINE, so introduce qe_general4_errata()
to keep the necessary #ifdeffery localized to a trivial helper.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
In preparation for allowing QE to be built for architectures other
than ppc, use the generic readx_poll_timeout_atomic() helper from
iopoll.h rather than the ppc-only spin_event_timeout().
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Make it clear that these operate on big-endian registers (i.e. use the
iowrite*be primitives) before we introduce more uses of them and allow
the QE drivers to be built for platforms other than ppc32.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The actual io accessors (e.g. in_be32) implicitly add a volatile
qualifier to their address argument. Remove volatile from the struct
definition and the qe_ic_(read/write) helpers, in preparation for
switching from the ppc-specific io accessors to generic ones.
Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This is useful information to have when looking through system logs,
so add it to the output.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
A set of fixes that we've merged late, but for the most part that have
been sitting in -next for a while through platform maintainer trees.
+ Fixes to suspend/resume on Tegra, caused by the added features
this merge window
+ Cleanups and minor fixes to TI additions this merge window
+ Tee fixes queued up late before the merge window, included here.
+ A handful of other fixlets
There's also a refresh of the shareed config files (multi_v* on 32-bit,
and defconfig on 64-bit), to avoid conflicts when we get new
contributions.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"A set of fixes that we've merged late, but for the most part that have
been sitting in -next for a while through platform maintainer trees:
- Fixes to suspend/resume on Tegra, caused by the added features this
merge window
- Cleanups and minor fixes to TI additions this merge window
- Tee fixes queued up late before the merge window, included here.
- A handful of other fixlets
There's also a refresh of the shareed config files (multi_v* on
32-bit, and defconfig on 64-bit), to avoid conflicts when we get new
contributions"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (32 commits)
ARM: multi_v7_defconfig: Restore debugfs support
ARM: defconfig: re-run savedefconfig on multi_v* configs
arm64: defconfig: re-run savedefconfig
ARM: pxa: Fix resource properties
soc: mediatek: cmdq: fixup wrong input order of write api
soc: aspeed: Fix snoop_file_poll()'s return type
MAINTAINERS: Switch to Marvell addresses
MAINTAINERS: update Cavium ThunderX drivers
Revert "arm64: dts: juno: add dma-ranges property"
MAINTAINERS: Make Nicolas Saenz Julienne the new bcm2835 maintainer
firmware: arm_scmi: Avoid double free in error flow
arm64: dts: juno: Fix UART frequency
ARM: dts: Fix sgx sysconfig register for omap4
arm: socfpga: execute cold reboot by default
ARM: dts: Fix vcsi regulator to be always-on for droid4 to prevent hangs
ARM: dts: dra7: fix cpsw mdio fck clock
ARM: dts: am57xx-beagle-x15: Update pinmux name to ddr_3_3v
ARM: dts: omap3-tao3530: Fix incorrect MMC card detection GPIO polarity
soc/tegra: pmc: Add reset sources and levels on Tegra194
soc/tegra: pmc: Add missing IRQ callbacks on Tegra194
...
msm-next:
- OCMEM support for a3xx and a4xx GPUs.
- a510 support + display support
core:
- mst payload deletion fix
i915:
- uapi alignment fix
- fix for power usage regression due to security fixes
- change default preemption timeout to 640ms from 100ms
- EHL voltage level display fixes
- TGL DGL PHY fix
- gvt - MI_ATOMIC cmd parser fix, CFL non-priv warning
- CI spotted deadlock fix
- EHL port D programming fix
amdgpu:
- VRAM lost fixes on BACO for CI/VI
- navi14 DC fixes
- misc SR-IOV, gfx10 fixes
- XGMI fixes for arcturus
- SRIOV fixes
amdkfd:
- KFD on ppc64le enabled
- page table optimisations
radeon:
- fix for r1xx/2xx register checker.
tegra:
- displayport regression fixes
- DMA API regression fixes
mgag200:
- fix devices that can't scanout except at 0 addr
omap:
- fix dma_addr refcounting
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Merge tag 'drm-next-2019-12-06' of git://anongit.freedesktop.org/drm/drm
Pull more drm updates from Dave Airlie:
"Rob pointed out I missed his pull request for msm-next, it's been in
next for a while outside of my tree so shouldn't cause any unexpected
issues, it has some OCMEM support in drivers/soc that is acked by
other maintainers as it's outside my tree.
Otherwise it's a usual fixes pull, i915, amdgpu, the main ones, with
some tegra, omap, mgag200 and one core fix.
Summary:
msm-next:
- OCMEM support for a3xx and a4xx GPUs.
- a510 support + display support
core:
- mst payload deletion fix
i915:
- uapi alignment fix
- fix for power usage regression due to security fixes
- change default preemption timeout to 640ms from 100ms
- EHL voltage level display fixes
- TGL DGL PHY fix
- gvt - MI_ATOMIC cmd parser fix, CFL non-priv warning
- CI spotted deadlock fix
- EHL port D programming fix
amdgpu:
- VRAM lost fixes on BACO for CI/VI
- navi14 DC fixes
- misc SR-IOV, gfx10 fixes
- XGMI fixes for arcturus
- SRIOV fixes
amdkfd:
- KFD on ppc64le enabled
- page table optimisations
radeon:
- fix for r1xx/2xx register checker.
tegra:
- displayport regression fixes
- DMA API regression fixes
mgag200:
- fix devices that can't scanout except at 0 addr
omap:
- fix dma_addr refcounting"
* tag 'drm-next-2019-12-06' of git://anongit.freedesktop.org/drm/drm: (100 commits)
drm/dp_mst: Correct the bug in drm_dp_update_payload_part1()
drm/omap: fix dma_addr refcounting
drm/tegra: Run hub cleanup on ->remove()
drm/tegra: sor: Make the +5V HDMI supply optional
drm/tegra: Silence expected errors on IOMMU attach
drm/tegra: vic: Export module device table
drm/tegra: sor: Implement system suspend/resume
drm/tegra: Use proper IOVA address for cursor image
drm/tegra: gem: Remove premature import restrictions
drm/tegra: gem: Properly pin imported buffers
drm/tegra: hub: Remove bogus connection mutex check
ia64: agp: Replace empty define with do while
agp: Add bridge parameter documentation
agp: remove unused variable num_segments
agp: move AGPGART_MINOR to include/linux/miscdevice.h
agp: remove unused variable size in agp_generic_create_gatt_table
drm/dp_mst: Fix build on systems with STACKTRACE_SUPPORT=n
drm/radeon: fix r1xx/r2xx register checker for POT textures
drm/amdgpu: fix GFX10 missing CSIB set(v3)
drm/amdgpu: should stop GFX ring in hw_fini
...
Fixes a regression for wake events on Tegra194 caused by the Tegra210
support that was added in v5.5-rc1 as well as wrong reset sources and
levels on Tegra194.
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Merge tag 'tegra-for-5.5-soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes
soc/tegra: Fixes for v5.5-rc1
Fixes a regression for wake events on Tegra194 caused by the Tegra210
support that was added in v5.5-rc1 as well as wrong reset sources and
levels on Tegra194.
* tag 'tegra-for-5.5-soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Add reset sources and levels on Tegra194
soc/tegra: pmc: Add missing IRQ callbacks on Tegra194
soc/tegra: pmc: Use lower-case for hexadecimal literals
Link: https://lore.kernel.org/r/20191204130753.3614278-2-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
This brings in the mainline tree right after armsoc contents was merged
this release cycle, so that we can re-run savedefconfig, etc.
Signed-off-by: Olof Johansson <olof@lixom.net>
Various driver updates for platforms:
- A larger set of work on Tegra 2/3 around memory controller and
regulator features, some fuse cleanups, etc..
- MMP platform drivers, in particular for USB PHY, and other smaller
additions.
- Samsung Exynos 5422 driver for DMC (dynamic memory configuration),
and ASV (adaptive voltage), allowing the platform to run at more
optimal operating points.
- Misc refactorings and support for RZ/G2N and R8A774B1 from Renesas
- Clock/reset control driver for TI/OMAP
- Meson-A1 reset controller support
- Qualcomm sdm845 and sda845 SoC IDs for socinfo
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Olof Johansson:
"Various driver updates for platforms:
- A larger set of work on Tegra 2/3 around memory controller and
regulator features, some fuse cleanups, etc..
- MMP platform drivers, in particular for USB PHY, and other smaller
additions.
- Samsung Exynos 5422 driver for DMC (dynamic memory configuration),
and ASV (adaptive voltage), allowing the platform to run at more
optimal operating points.
- Misc refactorings and support for RZ/G2N and R8A774B1 from Renesas
- Clock/reset control driver for TI/OMAP
- Meson-A1 reset controller support
- Qualcomm sdm845 and sda845 SoC IDs for socinfo"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (150 commits)
firmware: arm_scmi: Fix doorbell ring logic for !CONFIG_64BIT
soc: fsl: add RCPM driver
dt-bindings: fsl: rcpm: Add 'little-endian' and update Chassis definition
memory: tegra: Consolidate registers definition into common header
memory: tegra: Ensure timing control debug features are disabled
memory: tegra: Introduce Tegra30 EMC driver
memory: tegra: Do not handle error from wait_for_completion_timeout()
memory: tegra: Increase handshake timeout on Tegra20
memory: tegra: Print a brief info message about EMC timings
memory: tegra: Pre-configure debug register on Tegra20
memory: tegra: Include io.h instead of iopoll.h
memory: tegra: Adapt for Tegra20 clock driver changes
memory: tegra: Don't set EMC rate to maximum on probe for Tegra20
memory: tegra: Add gr2d and gr3d to DRM IOMMU group
memory: tegra: Set DMA mask based on supported address bits
soc: at91: Add Atmel SFR SN (Serial Number) support
memory: atmel-ebi: switch to SPDX license identifiers
memory: atmel-ebi: move NUM_CS definition inside EBI driver
soc: mediatek: Refactor bus protection control
soc: mediatek: Refactor sram control
...
Most of these are for MMP (seeing a bunch of cleanups and refactorings
for the first time in a while), and for OMAP (a bunch of cleanups and
added support for voltage controller on OMAP4430).
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Olof Johansson:
"Most of these are for MMP (seeing a bunch of cleanups and refactorings
for the first time in a while), and for OMAP (a bunch of cleanups and
added support for voltage controller on OMAP4430)"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits)
ARM: OMAP2+: Add missing put_device() call in omapdss_init_of()
OMAP2: fixup doc comments in omap_device
ARM: OMAP1: drop duplicated dependency on ARCH_OMAP1
ARM: ASPEED: update default ARCH_NR_GPIO for ARCH_ASPEED
ARM: imx: use generic function to exit coherency
ARM: tegra: Use WFE for power-gating on Tegra30
ARM: tegra: Fix FLOW_CTLR_HALT register clobbering by tegra_resume()
ARM: exynos: Enable exynos-asv driver for ARCH_EXYNOS
ARM: s3c: Rename s5p_usb_phy functions
ARM: s3c: Rename s3c64xx_spi_setname() function
ARM: imx: Add serial number support for i.MX6/7 SoCs
ARM: imx: Drop imx_anatop_usb_chrg_detect_disable()
arm64: Introduce config for S32
ARM: hisi: drop useless depend on ARCH_MULTI_V7
arm64: realtek: Select reset controller
ARM: shmobile: rcar-gen2: Drop legacy DT clock support
ARM: OMAP2+: Remove duplicated include from pmic-cpcap.c
ARM: OMAP1: ams-delta FIQ: Fix a typo ("Initiaize")
MAINTAINERS: Add logicpd-som-lv and logicpd-torpedo to OMAP TREE
ARM: OMAP2+: pdata-quirks: drop TI_ST/KIM support
...
Fixup a issue was caused by the previous fixup patch.
Fixes: 1a92f98912 ("soc: mediatek: cmdq: reorder the parameter")
Link: https://lore.kernel.org/r/20191127165428.19662-1-matthias.bgg@gmail.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
snoop_file_poll() is defined as returning 'unsigned int' but the
.poll method is declared as returning '__poll_t', a bitwise type.
Fix this by using the proper return type and using the EPOLL
constants instead of the POLL ones, as required for __poll_t.
Link: https://lore.kernel.org/r/20191121051851.268726-1-joel@jms.id.au
Fixes: 3772e5da44 ("drivers/misc: Aspeed LPC snoop output using misc chardev")
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Olof Johansson <olof@lixom.net>
+ OCMEM support to enable the couple generations that had shared OCMEM
rather than GMEM exclusively for the GPU (late a3xx and I think basically
all of a4xx). Bjorn and Brian decided to land this through the drm
tree to avoid having to coordinate merge requests.
+ a510 support, and various associated display support
+ the usual misc cleanups and fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ <CAF6AEGv-JWswEJRxe5AmnGQO1SZnpxK05kO1E29K6UUzC9GMMw@mail.gmail.com
Tegra194 supports the same reset levels as Tegra186 but extends the set
of reset sources. Provide custom PMC register definitions to account for
the larger field for the reset sources as well as the updated list of
reset sources.
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
Changes in v2:
- use the new Tegra194 register definitions
Reuse the IRQ callbacks from Tegra186 on Tegra194. This fixes failures
to request interrupts on Tegra194 due to the missing callbacks.
Cc: Sowjanya Komatineni <skomatineni@nvidia.com>
Fixes: aba19827fc ("soc/tegra: pmc: Support wake events on more Tegra SoCs")
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The remainder of the file uses lower-case for hexadecimal literals, so
change the only odd-one-out occurrence for consistency.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
RCPM driver for ARM SoCs
- add RCPM driver to manage the wakeup devices for QorIQ ARM SoCs (HW low
power states are supported in PSCI firmware)
- add API to PM wakeup framework to retrieve wakeup sources
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Merge tag 'soc-fsl-next-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers
NXP/FSL SoC driver updates for v5.5
RCPM driver for ARM SoCs
- add RCPM driver to manage the wakeup devices for QorIQ ARM SoCs (HW low
power states are supported in PSCI firmware)
- add API to PM wakeup framework to retrieve wakeup sources
* tag 'soc-fsl-next-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
soc: fsl: add RCPM driver
dt-bindings: fsl: rcpm: Add 'little-endian' and update Chassis definition
PM: wakeup: Add routine to help fetch wakeup source object.
Link: https://lore.kernel.org/r/1573599595-31411-1-git-send-email-leoyang.li@nxp.com
Signed-off-by: Olof Johansson <olof@lixom.net>
The NXP's QorIQ processors based on ARM Core have RCPM module
(Run Control and Power Management), which performs system level
tasks associated with power management such as wakeup source control.
Note that this driver will not support PowerPC based QorIQ processors,
and it depends on PM wakeup source framework which provide collect
wake information.
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
- a new driver exposing the serial number registers through nvmem
- a few documentation and definition changes
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Merge tag 'at91-5.5-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/drivers
AT91 drivers for 5.5
- a new driver exposing the serial number registers through nvmem
- a few documentation and definition changes
* tag 'at91-5.5-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
soc: at91: Add Atmel SFR SN (Serial Number) support
memory: atmel-ebi: switch to SPDX license identifiers
memory: atmel-ebi: move NUM_CS definition inside EBI driver
ARM: at91: Documentation: update the sama5d3 and armv7m datasheets
Link: https://lore.kernel.org/r/20191107221644.GA201884@piout.net
Signed-off-by: Olof Johansson <olof@lixom.net>
- Extend firmware interface to cover Versal chip
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Merge tag 'zynqmp-soc-for-v5.5' of https://github.com/Xilinx/linux-xlnx into arm/drivers
arm64: soc: Xilinx SoC changes for v5.5
- Extend firmware interface to cover Versal chip
* tag 'zynqmp-soc-for-v5.5' of https://github.com/Xilinx/linux-xlnx:
firmware: xilinx: Add support for versal soc
dt-bindings: firmware: Add bindings for Versal firmware
soc: xilinx: Set CAP_UNUSABLE requirement for versal while powering down domain
Link: https://lore.kernel.org/r/6954a53c-6dab-c7a3-7257-58460ca952cb@monstr.eu
Signed-off-by: Olof Johansson <olof@lixom.net>
Put bus protection enable and disable control in separate functions.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Put sram enable and disable control in separate functions.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
[mb: fix coding style of reading register and changing the read value]
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Put clock enable and disable control in separate function.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Put regulator enable and disable control in separate functions.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Use USEC_PER_SEC to indicate the polling timeout directly.
And add documentation of scp_domain_data.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
* Add thermal IRQ support on MSM8916, SDM845, MSM8996, and QCS404
* Fix thermal HW ids for cpus on MSM8916
* Add blsp1 UART3 and blsp1 BAM on MSM8998
* Add volume buttons and WCNSS for Wifi and BT on MSM8916 LongCheer-l8150
* Fixup load on l21 for SD on apq8096-db820c
* Enable LVS1/2, APSS watchdog, and select UFS reset gpio for SDM845
* Disable coresight by default on MSM8998
* Enable bluetooth and remove retention idle state on MSM8998-clamshell
* Enable adsp, cdsp, and mpss on C630
* Enable bluetooth on MSM8998-mtp
* Delete zap shader on SDM845-cheza
* Add tactile buttons and hall sensor on MSM8916-Samsung-A2015
* Add Interconnect nodes, watchdog, and sleep clk on QCS404
* Override Iris compatible on MSM8916-Samsung-A5U
* Enable WCNSS Wifi and bluetooth on MSM8916-Samsung-A2015
* Fixup cooling states for the aoss warming devices
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Merge tag 'qcom-arm64-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/dt
Qualcomm ARM64 Updates for v5.5
* Add thermal IRQ support on MSM8916, SDM845, MSM8996, and QCS404
* Fix thermal HW ids for cpus on MSM8916
* Add blsp1 UART3 and blsp1 BAM on MSM8998
* Add volume buttons and WCNSS for Wifi and BT on MSM8916 LongCheer-l8150
* Fixup load on l21 for SD on apq8096-db820c
* Enable LVS1/2, APSS watchdog, and select UFS reset gpio for SDM845
* Disable coresight by default on MSM8998
* Enable bluetooth and remove retention idle state on MSM8998-clamshell
* Enable adsp, cdsp, and mpss on C630
* Enable bluetooth on MSM8998-mtp
* Delete zap shader on SDM845-cheza
* Add tactile buttons and hall sensor on MSM8916-Samsung-A2015
* Add Interconnect nodes, watchdog, and sleep clk on QCS404
* Override Iris compatible on MSM8916-Samsung-A5U
* Enable WCNSS Wifi and bluetooth on MSM8916-Samsung-A2015
* Fixup cooling states for the aoss warming devices
* tag 'qcom-arm64-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (26 commits)
arm64: dts: qcom: db845c: Enable LVS 1 and 2
arm64: dts: qcom: msm8998: Disable coresight by default
arm64: dts: qcom: msm8998-clamshell: Remove retention idle state
arm64: dts: qcom: sdm845-cheza: delete zap-shader
arm64: dts: msm8916: thermal: Fixup HW ids for cpu sensors
arm64: dts: sdm845: thermal: Add interrupt support
arm64: dts: msm8996: thermal: Add interrupt support
arm64: dts: msm8998: thermal: Add interrupt support
arm64: dts: qcs404: thermal: Add interrupt support
arm64: dts: qcom: sdm845: Add APSS watchdog node
arm64: dts: qcom: c630: Enable adsp, cdsp and mpss
arm64: dts: qcom: msm8998-clamshell: Enable bluetooth
arm64: dts: qcom: msm8998-mtp: Enable bluetooth
arm64: dts: qcom: msm8998: Add blsp1_uart3
arm64: dts: qcom: msm8998: Add blsp1 BAM
arm64: dts: msm8916-longcheer-l8150: Add Volume buttons
arm64: dts: msm8916-longcheer-l8150: Enable WCNSS for WiFi and BT
soc: qcom: Invert the cooling states for the aoss warming devices
arm64: dts: apq8096-db820c: Increase load on l21 for SDCARD
arm64: dts: msm8916-samsung-a2015: add tactile buttons and hall sensor
...
Link: https://lore.kernel.org/r/1573068840-13098-2-git-send-email-agross@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
Chip on the board is S905D3 not S905X3:
[ 0.098998] soc soc0: Amlogic Meson SM1 (S905D3) Revision 2b:c (b0:2) Detected
Change from v1: use 0xf0 mask instead of 0xf2 as advised by Neil Armstrong.
Fixes: 1d7c541b8a ("soc: amlogic: meson-gx-socinfo: Add S905X3 ID for VIM3L")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
- Skip return check for those SCU firmware APIs that are defined as
void function in firmware.
- Use established serial_number attribute instead of custom one to show
SoC's unique ID for i.MX8 SoC drivers.
- Read i.MX8MQ SOC revision from TF-A which parses ROM and exposes the
value through a SMC call. This improves the situation that SOC
revision reports 'unknown' on some older revisions.
- Add a check and warn on unexpected SCU RX to avoid potential stack
corruption in imx-scu driver.
- Fix a sparse warning in imx-scu-irq driver by adding missing header.
- Remove an unneeded call to devm_of_platform_populate() from imx-dsp
driver.
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Merge tag 'imx-drivers-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers update for 5.5:
- Skip return check for those SCU firmware APIs that are defined as
void function in firmware.
- Use established serial_number attribute instead of custom one to show
SoC's unique ID for i.MX8 SoC drivers.
- Read i.MX8MQ SOC revision from TF-A which parses ROM and exposes the
value through a SMC call. This improves the situation that SOC
revision reports 'unknown' on some older revisions.
- Add a check and warn on unexpected SCU RX to avoid potential stack
corruption in imx-scu driver.
- Fix a sparse warning in imx-scu-irq driver by adding missing header.
- Remove an unneeded call to devm_of_platform_populate() from imx-dsp
driver.
* tag 'imx-drivers-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx8mq: Read SOC revision from TF-A
soc: imx-scu: Using existing serial_number instead of UID
soc: imx8: Using existing serial_number instead of UID
firmware: imx: add missing include of <linux/firmware/imx/sci.h>
firmware: imx: Remove call to devm_of_platform_populate
firmware: imx: Skip return value check for some special SCU firmware APIs
firmware: imx: warn on unexpected RX
Link: https://lore.kernel.org/r/20191105150315.15477-1-shawnguo@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
1. Minor fixes to Exynos Chipid driver.
2. Add Exynos Adaptive Supply Voltage driver allowing to adjust voltages
used during CPU frequency scaling based on revision of SoC. This
also pulls dependency from PM/OPP tree - driver uses newly added
dev_pm_opp_adjust_voltage() function.
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Merge tag 'samsung-drivers-5.5' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/drivers
Samsung soc drivers changes for v5.5
1. Minor fixes to Exynos Chipid driver.
2. Add Exynos Adaptive Supply Voltage driver allowing to adjust voltages
used during CPU frequency scaling based on revision of SoC. This
also pulls dependency from PM/OPP tree - driver uses newly added
dev_pm_opp_adjust_voltage() function.
* tag 'samsung-drivers-5.5' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
soc: samsung: exynos-asv: Potential NULL dereference in exynos_asv_update_opps()
soc: samsung: chipid: Drop "syscon" compatible requirement
soc: samsung: Add Exynos Adaptive Supply Voltage driver
PM / OPP: Support adjusting OPP voltages at runtime
soc: samsung: chipid: Make exynos_chipid_early_init() static
Link: https://lore.kernel.org/r/20191104175902.12224-1-krzk@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
SOC revision on older imx8mq is not available in fuses so on anything
other than B1 current code just reports "unknown".
TF-A already handles this by parsing the ROM and exposes the value
through a SMC call. Call this instead of reimplementing the workaround
in the kernel itself.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Adds wake event support on Tegra210, implements the NVMEM API for the
Tegra FUSE block and adds coupled regulators support for Tegra20 and
Tegra30.
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Merge tag 'tegra-for-5.5-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
soc/tegra: Changes for v5.5-rc1
Adds wake event support on Tegra210, implements the NVMEM API for the
Tegra FUSE block and adds coupled regulators support for Tegra20 and
Tegra30.
* tag 'tegra-for-5.5-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Remove unnecessary memory barrier
soc/tegra: pmc: Query PCLK clock rate at probe time
soc/tegra: regulators: Add regulators coupler for Tegra30
soc/tegra: regulators: Add regulators coupler for Tegra20
soc/tegra: pmc: Configure deep sleep control settings
soc/tegra: pmc: Configure core power request polarity
soc/tegra: pmc: Add wake event support on Tegra210
soc/tegra: pmc: Support wake events on more Tegra SoCs
soc/tegra: fuse: Register cell lookups for compatibility
soc/tegra: fuse: Add cell information
soc/tegra: fuse: Implement nvmem device
soc/tegra: fuse: Restore base on sysfs failure
soc/tegra: pmc: Fix crashes for hierarchical interrupts
soc/tegra: fuse: Add FUSE clock check in tegra_fuse_readl()
Link: https://lore.kernel.org/r/20191102144521.3863321-4-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
* 'for_5.5/driver-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
memory: emif: remove set but not used variables 'cs1_used' and 'custom_configs'
soc: ti: omap-prm: fix return value check in omap_prm_probe()
soc: ti: omap-prm: add omap5 PRM data
soc: ti: omap-prm: add am4 PRM data
soc: ti: omap-prm: add dra7 PRM data
soc: ti: omap-prm: add data for am33xx
soc: ti: omap-prm: add omap4 PRM data
soc: ti: omap-prm: add support for denying idle for reset clockdomain
soc: ti: omap-prm: poll for reset complete during de-assert
soc: ti: add initial PRM driver with reset control support
dt-bindings: omap: add new binding for PRM instances
Link: https://lore.kernel.org/r/1572372856-20598-1-git-send-email-santosh.shilimkar@oracle.com
Signed-off-by: Olof Johansson <olof@lixom.net>
The only slightly tricky merge conflict was the netdevsim because the
mutex locking fix overlapped a lot of driver reload reorganization.
The rest were (relatively) trivial in nature.
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for the power areas in the Renesas R-Car M3-W+ (R8A77961)
SoC to the R-Car System Controller driver.
R-Car M3-W+ (aka R-Car M3-W ES3.0) is very similar to R-Car
M3-W (R8A77960), which allows for both SoCs to share a driver:
- R-Car M3-W+ lacks the A2VC power area, so its area must be
nullified,
- The existing support for the SYSCEXTMASK register added in commit
9bd645af9d2a49ac ("soc: renesas: r8a7796-sysc: Fix power request
conflicts") applies to ES3.0 and later only.
As R-Car M3-W+ uses a different compatible value, differentiate
based on that, instead of on the ES version.
Based on a patch in the BSP by Dien Pham <dien.pham.ry@renesas.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20191023123342.13100-7-geert+renesas@glider.be
Add support for the Reset block in the R-Car M3-W+ (R8A77961) SoC to the
Renesas R-Car RST driver.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20191023123342.13100-6-geert+renesas@glider.be
Add support for identifying the R-Car M3-W+ (R8A77961) SoC, which shares
the Product ID Number with R-Car M3-W (R8A77960), but differs in CUT
Number (Ver. 3.0), and uses a different compatible value.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20191023123342.13100-5-geert+renesas@glider.be
Add CONFIG_ARCH_R8A77961 as a configuration symbol for the new Renesas
R-Car M3-W+ (R8A77961) SoC.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20191023123342.13100-4-geert+renesas@glider.be
Add CONFIG_ARCH_R8A77960 as a new config symbol for R-Car M3-W
(R8A77960), to replace CONFIG_ARCH_R8A7796, and avoid confusion with
R-Car M3-W+ (R8A77961), which will use CONFIG_ARCH_R8A77961.
Note that for now, CONFIG_ARCH_R8A7796 is retained, and just selects
CONFIG_ARCH_R8A77960. This relaxes dependencies of other subsystems on
the SoC configuration symbol, and provides a smooth transition path for
config files through "make oldconfig".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20191023123342.13100-3-geert+renesas@glider.be
Rename CONFIG_SYSC_R8A7796 for R-Car M3-W (R8A77960) to
CONFIG_SYSC_R8A77960, to avoid confusion with R-Car M3-W+ (R8A77961),
which will use CONFIG_SYSC_R8A77961.
Rename r8a7796_sysc_info and r8a7796_sysc_init for consistency.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20191023123342.13100-2-geert+renesas@glider.be
If the DTB for a device with an RZ/A2 SoC lacks a device node for the
BSID register, the ID validation code falls back to using a register at
address 0x0, which leads to undefined behavior (e.g. reading back a
random value).
This could be fixed by letting fam_rza2.reg point to the actual BSID
register. However, the hardcoded fallbacks were meant for backwards
compatibility with old DTBs only, not for new SoCs. Hence fix this by
validating renesas_family.reg before using it.
Fixes: 175f435f44 ("soc: renesas: identify RZ/A2")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191016143306.28995-1-geert+renesas@glider.be
Before this change, unbinding the QMan portals did not trigger a
corresponding unbinding of the dpaa_eth making use of it; the first
QMan portal related operation issued afterwards crashed the kernel.
The device link ensures the dpaa_eth dependency upon the qman portal
used is honoured at the QMan portal removal.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Introduce the API required to make sure that the devices that use
the QMan portal are unbound when the portal is unbound.
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The dev_pm_opp_get_opp_table() returns error pointers if it's disabled
in the config and it returns NULL if there is an error. This code only
checks for error pointers so it could lead to an Oops inside the
dev_pm_opp_put_opp_table() function.
Fixes: 5ea428595c ("soc: samsung: Add Exynos Adaptive Supply Voltage driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().
Fixes: 3e99cb214f ("soc: ti: add initial PRM driver with reset control support")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
The removed barrier isn't needed because writes/reads are strictly ordered
and even if PMC had separate ports for writes, it wouldn't matter since
the hardware logic takes into effect after triggering CPU's power-gating
and at that point all CPU accesses are guaranteed to be completed. That
barrier was copied from the old arch/ code during transition to the soc/
PMC driver and even that the code structure was different back then, the
barrier didn't have a real useful purpose from the start. Lastly, the
tegra_pmc_writel() naturally inserts wmb() because it uses writel(),
and thus this change doesn't actually make any difference in terms of
interacting with hardware. Hence let's remove the barrier to clean up
code a tad.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
It is possible to get a lockup if kernel decides to enter LP2 cpuidle
from some clk-notifier, in that case CCF's "prepare" mutex is kept locked
and thus clk_get_rate(pclk) blocks on the same mutex with interrupts being
disabled, hanging machine.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Turned out that WFI doesn't work reliably on Tegra30 as a trigger for
the power-gating, it causes CPU hang under some circumstances like having
memory controller running of PLLP. The TRM doc states that WFI should be
used for the Big-Little "Cluster Switch", while WFE for the power-gating.
Hence let's use the WFE for CPU0 power-gating, like it is done for the
power-gating of a secondary cores. This fixes CPU hang after entering LP2
with memory running off PLLP.
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add regulators coupler for Tegra30 SoCs that performs voltage balancing
of a coupled regulators and thus provides voltage scaling functionality.
There are 2 coupled regulators on all Tegra30 SoCs: CORE and CPU. The
coupled regulator voltages shall be in a range of 300mV from each other
and CORE voltage shall be higher than the CPU by N mV, where N depends
on the CPU voltage.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add regulators coupler for Tegra20 SoCs that performs voltage balancing
of a coupled regulators and thus provides voltage scaling functionality.
There are 3 coupled regulators on all Tegra20 SoCs: CORE, RTC and CPU.
The CORE and RTC voltages shall be in range of 170mV from each other and
they both shall be higher than the CPU voltage by at least 120mV. This
sounds like it could be handle by a generic voltage balancer, but the CORE
voltage scaling isn't implemented in any of the upstream drivers yet.
It will take quite some time and effort to hook up voltage scaling for
all of the drivers, hence we will use a custom coupler that will manage
the CPU voltage scaling for the starter.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tegra210 and prior Tegra chips have deep sleep entry and wakeup related
timings which are platform specific that should be configured before
entering into deep sleep.
Below are the timing specific configurations for deep sleep entry and
wakeup.
- Core rail power-on stabilization timer
- OSC clock stabilization timer after SOC rail power is stabilized.
- Core power off time is the minimum wake delay to keep the system
in deep sleep state irrespective of any quick wake event.
These values depends on the discharge time of regulators and turn OFF
time of the PMIC to allow the complete system to finish entering into
deep sleep state.
These values vary based on the platform design and are specified
through the device tree.
This patch has implementation to configure these timings which are must
to have for proper deep sleep and wakeup operations.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This patch configures polarity of the core power request signal
in PMC control register based on the device tree property.
PMC asserts and de-asserts power request signal based on it polarity
when it need to power-up and power-down the core rail during SC7.
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This patch implements PMC wakeup sequence for Tegra210 and defines the
commonly used RTC alarm wake event.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This patch allows to create separate irq_set_wake and irq_set_type
implementations for different Tegra designs PMC that has different
wake models which require difference wake registers and different
programming sequence.
AOWAKE model support is available for Tegra186 and Tegra194 only
and it resides within PMC and supports tiered wake architecture.
Tegra210 and prior Tegra designs uses PMC directly to receive wake
events and coordinate the wake sequence.
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
As we dropped the requirement of "syscon" compatible in the chipid
nodes rework code acquiring the regmap to use device_node_to_regmap()
rather than syscon_node_to_regmap().
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
The Adaptive Supply Voltage (ASV) driver adjusts CPU cluster operating
points depending on exact revision of an SoC retrieved from the CHIPID
block or the OTP memory. This allows for some power saving as for some
CPU clock frequencies we can lower CPU cluster's supply voltage comparing
to safe values common to all the SoC revisions.
This patch adds support for Exynos5422/5800 SoC, it is partially based
on code from https://github.com/hardkernel/linux repository,
branch odroidxu4-4.14.y, files: arch/arm/mach-exynos/exynos5422-asv.[ch].
Tested on Odroid XU3, XU4, XU3 Lite.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
The soc_device_attribute structure already contains a serial_number
attribute to show SoC's unique ID, just use it to show SoC's unique
ID instead of creating a new file called soc_uid.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The soc_device_attribute structure already contains a serial_number
attribute to show SoC's unique ID, just use it to show SoC's unique
ID instead of creating a new file called soc_uid.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Make the initialiers in imx_gpc_domains C99 format to fix the
following sparse warnings:
drivers/soc/imx/gpc.c:252:30: warning: obsolete array initializer, use C99 syntax
drivers/soc/imx/gpc.c:258:29: warning: obsolete array initializer, use C99 syntax
drivers/soc/imx/gpc.c:269:34: warning: obsolete array initializer, use C99 syntax
drivers/soc/imx/gpc.c:278:30: warning: obsolete array initializer, use C99 syntax
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Fixes: b0682d485f ("soc: imx: gpc: use GPC_PGC_DOMAIN_* indexes")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Typically nvmem cells would be stored in device tree. However, for
compatibility with device trees that don't contain nvmem cell
definitions, register lookups for cells currently used by consumers.
This allows the consumers to use the same API to query cells from the
device tree or using the legacy mechanism.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The nvmem framework provides a generic infrastructure and API to access
the type of information stored in fuses such as the Tegra FUSE block.
Implement an nvmem device that can be used to access the information in
a more generic way to decouple consumers from the custom Tegra API and
to add a more formal way of creating the dependency between the FUSE
device and the consumers.
Signed-off-by: Thierry Reding <treding@nvidia.com>
For "0" requirement which is used to inform firmware that device is
not required currently by master, Versal PLM (Platform Loader and
Manager) which runs on Platform Management Controller and is responsible
platform management of devices that disables clock, power it down
and reset the device. genpd_power_off() is being called during runtime
suspend also. So, if any device goes to runtime suspend state during
resumes it needs to be re-initialized again. It is possible that
drivers do not reinitialize device upon resume from runtime suspend
every time ans so dont want it to be powered down or get reset
during runtime suspend.
In Versal PLM new PM_CAP_UNUSABLE capability is added, which disables
clock only and avoids power down and reset during runtime suspend. Power
and reset will be gated with core suspend.So, this patch sets
CAPABILITY_UNUSABLE requirement during gpd_power_off()
if platform is other than zynqmp.
Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Thermal framework takes 0 as the lowest/default state for a
cooling/warming device. The current code has the order inverted with 1
corresponding to lowest state in hardware and 0 the highest state.
Invert this for a better fit with the thermal framework.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This is now a global variable that we're modifying to fix the name.
That isn't terribly thread safe and it's not necessary to be a global so
let's just move this to a local variable instead. This saves space in
the symtab and actually reduces kernel image size because the regmap
config is large and we can replace the initialization of that structure
with a memset and a few member assignments.
Cc: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
We'll end up with debugfs collisions if we don't give names to the
regmaps created by this driver. Change the name of the config before
registering it so we don't collide in debugfs.
Fixes: 7f9c136216 ("soc: qcom: Add broadcast base for Last Level Cache Controller (LLCC)")
Cc: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Add PRM instance data for omap5 family of SoCs. Initially this is just
used to provide reset support.
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Add PRM instance data for am4 family of SoCs. Initially this is just
used to provide reset support.
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Add PRM instance data for dra7 family of SoCs. Initially this is just
used to provide reset support.
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Add PRM instance data for AM33xx SoC. Includes some basic register
definitions and reset data for now.
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Add PRM data for omap4 family of SoCs. Initially this is just used to
provide reset support.
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
TI SoCs hardware reset signals require the parent clockdomain to be
in force wakeup mode while de-asserting the reset, otherwise it may
never complete. To support this, add pdata hooks to control the
clockdomain directly.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Poll for reset completion status during de-assertion of reset, otherwise
the IP in question might be accessed before it has left reset properly.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Add initial PRM (Power and Reset Management) driver for TI OMAP class
SoCs. Initially this driver only supports reset control, but can be
extended to support rest of the functionality, like powerdomain
control, PRCM irq support etc.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
commit 99356b03b4 ("soc: qcom: Make llcc-qcom a generic driver") move
these out of llcc-qcom.h, make the building fails:
drivers/edac/qcom_edac.c:86:40: error: array type has incomplete element type struct llcc_edac_reg_data
static const struct llcc_edac_reg_data edac_reg_data[] = {
^~~~~~~~~~~~~
drivers/edac/qcom_edac.c:87:3: error: array index in non-array initializer
[LLCC_DRAM_CE] = {
^~~~~~~~~~~~
drivers/edac/qcom_edac.c:87:3: note: (near initialization for edac_reg_data)
drivers/edac/qcom_edac.c:88:3: error: field name not in record or union initializer
.name = "DRAM Single-bit",
...
drivers/edac/qcom_edac.c:169:51: warning: struct llcc_drv_data declared inside parameter
list will not be visible outside of this definition or declaration
qcom_llcc_clear_error_status(int err_type, struct llcc_drv_data *drv)
^~~~~~~~~~~~~
This patch move the needed definitions back to include.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 99356b03b4 ("soc: qcom: Make llcc-qcom a generic driver")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
VIM3L appears to use a different ID:
[ 0.086470] soc soc0: Amlogic Meson SM1 (S905X3) Revision 2b:c (b0:2) Detected
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the SoC IDs for the A113L Amlogic A1 SoC.
Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The OCMEM driver handles allocation and configuration of the On Chip
MEMory that is present on some Snapdragon SoCs. Devices which have
OCMEM do not have GMEM inside the GPU core, so the GPU must instead
use OCMEM to be functional. Since the GPU is currently the only OCMEM
user with an upstream driver, this is just a minimal implementation
sufficient for statically allocating to the GPU it's chunk of OCMEM.
This driver currently does not read the gmu-sram node that is described
in the device tree bindings. The starting memory address of the GPU's
reserved memory region is hardcoded to zero to match what the hardware
expects. The driver can be updated to read the reserved memory regions
from device tree once other users of OCMEM are added upstream.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Co-developed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Gabriel Francisco <frc.gabrielgmail.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
The MSM8956/76 SoCs have two main voltage-level power domains, VDD_CX
and VDD_MX, which also have their own voltage-floor-level (VFL)
corner.
Signed-off-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The SCU firmware API for getting UID should have response,
otherwise, the message stored in function stack could be
released and then the response data received from SCU will be
stored into that released stack and cause kernel NULL pointer
dump.
Fixes: 73feb4d0f8 ("soc: imx-scu: Add SoC UID(unique identifier) support")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add a compatible for the RPM on the Qualcomm MSM8976 platform:
this is also valid for MSM8956 and their APQ variants.
Signed-off-by: Angelo G. Del Regno <kholk11@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Register a platform device to handle the communication of bus bandwidth
requests with the remote processor. The interconnect proxy device is part
of this remote processor (RPM) hardware. Let's create a icc-smd-rpm proxy
child device to represent the bus throughput functionality that is provided
by the RPM.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This makes way for adding future llcc versions.
Also pull out the llcc-qcom specific definitions from includes.
Includes path now contains the only definitions that are
to be exposed to other subsystems.
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The cleaning up was done without changing the driver file name
to ensure a cleaner bisect. Change the file name now to facilitate
making the driver generic in subsequent patch.
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
A single file should suffice the need to program the llcc for
various platforms. Get rid of sdm845 specific driver file to
make way for a more generic driver.
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Interrupts that don't have an associated wake event or GPIO wake events
end up with an associate IRQ chip that is NULL and which causes IRQ code
to crash. This is because we don't implicitly set the parent IRQ chip by
allocating the interrupt at the parent. However, there really isn't a
corresponding interrupt at the parent, so we need to work around this by
setting the special no_irq_chip as the IRQ chip for these interrupts.
Fixes: 19906e6b16 ("soc/tegra: pmc: Add wake event support")
Signed-off-by: Thierry Reding <treding@nvidia.com>
tegra_fuse_readl() can be called from drivers at any time. If this API
is called before tegra_fuse_probe(), we end up enabling the clock before
it is registered. Add a check for the FUSE clock in tegra_fuse_readl()
and propagate any errors.
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
No R-Car or RZ/G SYSC driver uses any of the definitions provided by
<linux/bug.h>, hence there is no need to include this header file.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190920144705.27394-1-geert+renesas@glider.be
Describe the location and contents of the SYSCEXTMASK register on
RZ/G2E, to prevent conflicts between internal and external power
requests.
Based on a patch in the BSP by Dien Pham <dien.pham.ry@renesas.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190920143523.23125-1-geert+renesas@glider.be
Describe the location and contents of the SYSCEXTMASK register on R-Car
E3, to prevent conflicts between internal and external power requests.
Based on a patch in the BSP by Dien Pham <dien.pham.ry@renesas.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190828113618.6672-8-geert+renesas@glider.be
Describe the location and contents of the SYSCEXTMASK register on R-Car
V3H, to prevent conflicts between internal and external power requests.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190828113618.6672-7-geert+renesas@glider.be
Describe the location and contents of the SYSCEXTMASK register on R-Car
V3M, to prevent conflicts between internal and external power requests.
Based on a patch in the BSP by Dien Pham <dien.pham.ry@renesas.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190828113618.6672-6-geert+renesas@glider.be
Describe the location and contents of the SYSCEXTMASK register on R-Car
M3-N, to prevent conflicts between internal and external power requests.
Based on a patch in the BSP by Dien Pham <dien.pham.ry@renesas.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190828113618.6672-5-geert+renesas@glider.be
Describe the location and contents of the SYSCEXTMASK register on R-Car
M3-W, to prevent conflicts between internal and external power requests.
This register does not exist on R-Car M3-W ES1.x.
Based on a patch in the BSP by Dien Pham <dien.pham.ry@renesas.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190828113618.6672-4-geert+renesas@glider.be
Describe the location and contents of the SYSCEXTMASK register on R-Car
H3, to prevent conflicts between internal and external power requests.
This register does not exist on R-Car H3 ES1.x and ES2.x.
Based on a patch in the BSP by Dien Pham <dien.pham.ry@renesas.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190828113618.6672-3-geert+renesas@glider.be
Recent R-Car Gen3 SoCs added an External Request Mask Register to the
System Controller (SYSC). This register allows to mask external power
requests for CPU or 3DG domains, to prevent conflicts between powering
off CPU cores or the 3D Graphics Engine, and changing the state of
another power domain through SYSC, which could lead to CPG state machine
lock-ups.
Add support for making use of this register. Take into account that the
register is optional, and that its location and contents are
SoC-specific.
Note that the issue fixed by this cannot happen in the upstream kernel,
as upstream has no support for graphics acceleration yet. SoCs lacking
the External Request Mask Register may need a different mitigation in
the future.
Inspired by a patch in the BSP by Dien Pham <dien.pham.ry@renesas.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Link: https://lore.kernel.org/r/20190828113618.6672-2-geert+renesas@glider.be
The branch contains driver changes that are tightly
connected to SoC specific code. Aside from smaller
cleanups and bug fixes, here is a list of the notable
changes.
New device drivers:
- The Turris Mox router has a new "moxtet" bus driver
for its on-board pluggable extension bus. The
same platform also gains a firmware driver.
- The Samsung Exynos family gains a new Chipid driver
exporting using the soc device sysfs interface
- A similar socinfo driver for Qualcomm Snapdragon
chips.
- A firmware driver for the NXP i.MX DSP IPC protocol
using shared memory and a mailbox
Other changes:
- The i.MX reset controller driver now supports the
NXP i.MX8MM chip
- Amlogic SoC specific drivers gain support for
the S905X3 and A311D chips
- A rework of the TI Davinci framebuffer driver to
allow important cleanups in the platform code
- A couple of device drivers for removed ARM SoC
platforms are removed. Most of the removals were
picked up by other maintainers, this contains
whatever was left.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"This contains driver changes that are tightly connected to SoC
specific code. Aside from smaller cleanups and bug fixes, here is a
list of the notable changes.
New device drivers:
- The Turris Mox router has a new "moxtet" bus driver for its
on-board pluggable extension bus. The same platform also gains a
firmware driver.
- The Samsung Exynos family gains a new Chipid driver exporting using
the soc device sysfs interface
- A similar socinfo driver for Qualcomm Snapdragon chips.
- A firmware driver for the NXP i.MX DSP IPC protocol using shared
memory and a mailbox
Other changes:
- The i.MX reset controller driver now supports the NXP i.MX8MM chip
- Amlogic SoC specific drivers gain support for the S905X3 and A311D
chips
- A rework of the TI Davinci framebuffer driver to allow important
cleanups in the platform code
- A couple of device drivers for removed ARM SoC platforms are
removed. Most of the removals were picked up by other maintainers,
this contains whatever was left"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (123 commits)
bus: uniphier-system-bus: use devm_platform_ioremap_resource()
soc: ti: ti_sci_pm_domains: Add support for exclusive and shared access
dt-bindings: ti_sci_pm_domains: Add support for exclusive and shared access
firmware: ti_sci: Allow for device shared and exclusive requests
bus: imx-weim: remove incorrect __init annotations
fbdev: remove w90x900/nuc900 platform drivers
spi: remove w90x900 driver
net: remove w90p910-ether driver
net: remove ks8695 driver
firmware: turris-mox-rwtm: Add sysfs documentation
firmware: Add Turris Mox rWTM firmware driver
dt-bindings: firmware: Document cznic,turris-mox-rwtm binding
bus: moxtet: fix unsigned comparison to less than zero
bus: moxtet: remove set but not used variable 'dummy'
ARM: scoop: Use the right include
dt-bindings: power: add Amlogic Everything-Else power domains bindings
soc: amlogic: Add support for Everything-Else power domains controller
fbdev: da8xx: use resource management for dma
fbdev: da8xx-fb: drop a redundant if
fbdev: da8xx-fb: use devm_platform_ioremap_resource()
...
The main change this time around is a cleanup of some of the oldest
platforms based on the XScale and ARM9 CPU cores, which are between 10
and 20 years old.
The Kendin/Micrel/Microchip KS8695, Winbond/Nuvoton W90x900 and Intel
IOP33x/IOP13xx platforms are removed after we determined that nobody is
using them any more.
The TI Davinci and NXP LPC32xx platforms on the other hand are still in
active use and are converted to the ARCH_MULTIPLATFORM build, meaning
that we can compile a kernel that works on these along with most other
ARMv5 platforms. Changes toward that goal are also merged for IOP32x,
but additional work is needed to complete this. Patches for the
remaining ARMv5 platforms have started but need more work and some
testing.
Support for the new ASpeed AST2600 gets added, this is based on the
Cortex-A7 ARMv7 core, and is a newer version of the existing ARMv5 and
ARMv6 chips in the same family.
Other changes include a cleanup of the ST-Ericsson ux500 platform
and the move of the TI Davinci platform to a new clocksource driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Arnd Bergmann:
"The main change this time around is a cleanup of some of the oldest
platforms based on the XScale and ARM9 CPU cores, which are between 10
and 20 years old.
The Kendin/Micrel/Microchip KS8695, Winbond/Nuvoton W90x900 and Intel
IOP33x/IOP13xx platforms are removed after we determined that nobody
is using them any more.
The TI Davinci and NXP LPC32xx platforms on the other hand are still
in active use and are converted to the ARCH_MULTIPLATFORM build,
meaning that we can compile a kernel that works on these along with
most other ARMv5 platforms. Changes toward that goal are also merged
for IOP32x, but additional work is needed to complete this. Patches
for the remaining ARMv5 platforms have started but need more work and
some testing.
Support for the new ASpeed AST2600 gets added, this is based on the
Cortex-A7 ARMv7 core, and is a newer version of the existing ARMv5 and
ARMv6 chips in the same family.
Other changes include a cleanup of the ST-Ericsson ux500 platform and
the move of the TI Davinci platform to a new clocksource driver"
[ The changes had marked INTEL_IOP_ADMA and USB_LPC32XX as being
buildable on other platforms through COMPILE_TEST, but that causes new
warnings that I most definitely do not want to see during the merge
window as that could hide other issues.
So the COMPILE_TEST option got disabled for them again - Linus ]
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (61 commits)
ARM: multi_v5_defconfig: make DaVinci part of the ARM v5 multiplatform build
ARM: davinci: support multiplatform build for ARM v5
arm64: exynos: Enable exynos-chipid driver
ARM: OMAP2+: Delete an unnecessary kfree() call in omap_hsmmc_pdata_init()
ARM: OMAP2+: move platform-specific asm-offset.h to arch/arm/mach-omap2
ARM: davinci: dm646x: Fix a typo in the comment
ARM: davinci: dm646x: switch to using the clocksource driver
ARM: davinci: dm644x: switch to using the clocksource driver
ARM: aspeed: Enable SMP boot
ARM: aspeed: Add ASPEED AST2600 architecture
ARM: aspeed: Select timer in each SoC
dt-bindings: arm: cpus: Add ASPEED SMP
ARM: imx: stop adjusting ar8031 phy tx delay
mailmap: map old company name to new one @microchip.com
MAINTAINERS: at91: remove the TC entry
MAINTAINERS: at91: Collect all pinctrl/gpio drivers in same entry
ARM: at91: move platform-specific asm-offset.h to arch/arm/mach-at91
MAINTAINERS: Extend patterns for Samsung SoC, Security Subsystem and clock drivers
ARM: s3c64xx: squash samsung_usb_phy.h into setup-usb-phy.c
ARM: debug-ll: Add support for r7s9210
...
* Add AOSS QMP support
* Various fixups for Qualcomm SCM
* Add socinfo driver
* Add SoC serial number attribute and associated APIs
* Add SM8150 and SC7180 support in Qualcomm SCM
* Fixup max processor count in SMEM
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Merge tag 'qcom-drivers-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm ARM Based Driver Updates for v5.4
* Add AOSS QMP support
* Various fixups for Qualcomm SCM
* Add socinfo driver
* Add SoC serial number attribute and associated APIs
* Add SM8150 and SC7180 support in Qualcomm SCM
* Fixup max processor count in SMEM
* tag 'qcom-drivers-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: aoss: Add AOSS QMP support
dt-bindings: soc: qcom: aoss: Add SM8150 and SC7180 support
dt-bindings: firmware: scm: Add SM8150 and SC7180 support
dt-bindings: firmware: scm: re-order compatible list
soc: qcom: smem: Update max processor count
soc: qcom: socinfo: Annotate switch cases with fall through
soc: qcom: Extend AOSS QMP driver to support resources that are used to wake up the SoC.
soc: qcom: socinfo: Expose image information
soc: qcom: socinfo: Expose custom attributes
soc: qcom: Add socinfo driver
base: soc: Export soc_device_register/unregister APIs
base: soc: Add serial_number attribute to soc
firmware: qcom_scm: Cleanup code in qcom_scm_assign_mem()
firmware: qcom_scm: Fix some typos in docs and printks
firmware: qcom_scm: Use proper types for dma mappings
When booting with ACPI, the Geni Serial Engine is not set as the I2C/SPI
parent and thus, the wrapper (parent device) is unassigned. This causes
the kernel to crash with a null dereference error.
Link: https://lore.kernel.org/r/20190905082555.15020-1-lee.jones@linaro.org
Fixes: 8bc529b253 ("soc: qcom: geni: Add support for ACPI")
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
TISCI protocol supports for enabling the device either with exclusive
permissions for the requesting host or with sharing across the hosts.
There are certain devices which are exclusive to Linux context and
there are certain devices that are shared across different host contexts.
So add support for getting this information from DT by increasing
the power-domain cells to 2.
For keeping the DT backward compatibility intact, defaulting the
device permissions to set the exclusive flag set. In this case the
power-domain-cells is 1.
Reviewed-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- A series from Anson Huang to add UID support for i.MX8 SoC and SCU
drivers.
- A series from Daniel Baluta to add DSP IPC driver for communication
between host AP (Linux) and the firmware running on DSP embedded in
i.MX8 SoCs.
- A small fix for GPCv2 error code printing.
- Switch from module_platform_driver_probe() to module_platform_driver()
for imx-weim driver, as we need the driver to probe again when device
is present later.
- Add optional burst clock mode support for imx-weim driver.
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Merge tag 'imx-drivers-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers update for 5.4:
- A series from Anson Huang to add UID support for i.MX8 SoC and SCU
drivers.
- A series from Daniel Baluta to add DSP IPC driver for communication
between host AP (Linux) and the firmware running on DSP embedded in
i.MX8 SoCs.
- A small fix for GPCv2 error code printing.
- Switch from module_platform_driver_probe() to module_platform_driver()
for imx-weim driver, as we need the driver to probe again when device
is present later.
- Add optional burst clock mode support for imx-weim driver.
* tag 'imx-drivers-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: gpcv2: Print the correct error code
bus: imx-weim: use module_platform_driver()
firmware: imx: Add DSP IPC protocol interface
soc: imx-scu: Add SoC UID(unique identifier) support
bus: imx-weim: optionally enable burst clock mode
firmware: imx: scu-pd: Add IRQSTR_DSP PD range
firmware: imx: scu-pd: Add mu13 b side PD range
firmware: imx: scu-pd: Rename mu PD range to mu_a
soc: imx8: Add i.MX8MM UID(unique identifier) support
soc: imx8: Add i.MX8MQ UID(unique identifier) support
Link: https://lore.kernel.org/r/20190825153237.28829-1-shawnguo@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
reoder function parameter and change size of the parameters
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Merge tag 'v5.3-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/drivers
cmdq helper:
reoder function parameter and change size of the parameters
* tag 'v5.3-next-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
soc: mediatek: cmdq: change the type of input parameter
soc: mediatek: cmdq: reorder the parameter
Link: https://lore.kernel.org/r/8c860e37-3816-d75f-fc37-ce496905ba73@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Highlights
- clk-measure: support new S905X3 and A311D SoCs
- socinfo: support new S905X3 and A311D SoCs
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Merge tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/drivers
soc: amlogic: driver updates for v5.4
Highlights
- clk-measure: support new S905X3 and A311D SoCs
- socinfo: support new S905X3 and A311D SoCs
* tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
soc: amlogic: meson-gx-socinfo: Add of_node_put() before return
soc: amlogic: clk-measure: Add support for SM1
dt-bindings: soc: amlogic: clk-measure: Add SM1 compatible
soc: amlogic: meson-gx-socinfo: Add SM1 and S905X3 IDs
soc: amlogic: meson-gx-socinfo: add A311D id
soc: amlogic: meson-clk-measure: add G12B second cluster cpu clk
soc: amlogic: meson-clk-measure: protect measure with a mutex
Link: https://lore.kernel.org/r/7h7e77cwv5.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add Exynos Chipid driver for identification of product IDs and SoC
revisions. The driver also exposes chipid regmap, later to be used by
Exynos Adaptive Supply Voltage driver (adjusting voltages to different
revisions of same SoC).
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Merge tag 'samsung-drivers-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/drivers
Samsung soc drivers changes for v5.4
Add Exynos Chipid driver for identification of product IDs and SoC
revisions. The driver also exposes chipid regmap, later to be used by
Exynos Adaptive Supply Voltage driver (adjusting voltages to different
revisions of same SoC).
* tag 'samsung-drivers-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
soc: samsung: chipid: Convert exynos-chipid driver to use the regmap API
soc: samsung: Add exynos chipid driver support
Link: https://lore.kernel.org/r/20190816163042.6604-1-krzk@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The move of the IXP4xx SoC drivers exposed their config options on all
platforms.
Fix this by wrapping them inside an ARCH_IXP4XX or COMPILE_TEST block.
Link: https://lore.kernel.org/r/20190823090352.12243-1-linus.walleij@linaro.org
Fixes: fcf2d8978c ("ARM: ixp4xx: Move NPE and QMGR to drivers/soc")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add support for the General Purpose Amlogic Everything-Else Power controller,
with the first support for G12A and SM1 SoCs dedicated to the VPU, PCIe,
USB, NNA, GE2D and Ethernet Power Domains.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
The current code prints 'ret' (thus 0) while it should use 'err'.
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
According to the cmdq hardware design, the subsys is u8,
the offset is u16 and the event id is u16.
This patch changes the type of subsys, offset and event id
to the correct type.
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
The order of gce instructions is [subsys offset value]
so reorder the parameter of cmdq_pkt_write_mask
and cmdq_pkt_write function.
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
ARM Erratum 754322 affects Cortex-A9 revisions r2p* and r3p*.
Automatically enable support code to mitigate the erratum when compiling
a kernel for any of the affected Renesas SoCs:
- RZ/A1: r3p0,
- R-Mobile A1: r2p4,
- R-Car M1A: r2p2-00rel0,
- R-Car H1: r3p0,
- SH-Mobile AG5: r2p2.
EMMA Mobile EV2 (r1p3) and RZ/A2 (r4p1) are not affected.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
ARM Erratum 814220 affects Cortex-A7 revisions r0p2-r0p5.
Automatically enable support code to mitigate the erratum when compiling
a kernel for any of the affected Renesas SoCs:
- R-Mobile APE6: r0p2,
- RZ/G1E: r0p5,
- RZ/G1C: r0p5,
- R-Car H2: r0p3,
- R-Car E2: r0p5,
- RZ/N1: r0p5.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Currently the R-Mobile "always-on" PM Domain is implemented by returning
-EBUSY from the generic_pm_domain.power_off() callback, and doing
nothing in the generic_pm_domain.power_on() callback. However, this
means the PM Domain core code is not aware of the semantics of this
special domain, leading to boot warnings like the following on
SH/R-Mobile SoCs:
sh_cmt e6130000.timer: PM domain c5 will not be powered off
Fix this by making the always-on nature of the domain explicit instead,
by setting the GENPD_FLAG_ALWAYS_ON flag. This removes the need for the
domain to provide power control callbacks.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
The chipid driver uses the MFD syscon API but it was not covered
properly in Kconfig.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
In commit 40d8aff614 ("soc: samsung: chipid: Convert exynos-chipid
driver to use the regmap API") of_find_compatible_node() call was
substituted with syscon_regmap_lookup_by_compatible() but also an error
log was added for case where lookup fails. On multiplatform the lookup
will always fail on any non-samsung device so the log is incorrect.
Remove the error log and just return an error code from
syscon_regmap_lookup_by_compatible() which internally calls
of_find_compatible_node().
Reported-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Update max processor count to reflect the number of
co-processors on SC7180 SoCs.
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Tested-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The variable np in function meson_gx_socinfo_init takes the return value
of of_find_compatible_node, which gets a node but does not put it. If
this node is not put it may cause a memory leak. Hence put np after its
usefulness has been exhausted.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Fixes: a9daaba296 ("soc: Add Amlogic SoC Information driver")
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the clk-measurer clocks IDs for the Amlogic SM1 SoC family.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the SoC IDs for the S905X3 Amlogic SM1 SoC.
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Currently when the call to product_id_to_soc_id fails there
is a memory leak of soc_dev_attr->revision and soc_dev_attr
on the error return path. Fix this by adding a common error
return path that frees there obects and use this for two
error return paths.
Addresses-Coverity: ("Resource leak")
Fixes: 3253b7b7cd ("soc: samsung: Add exynos chipid driver support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
As of commit 980532a5dd ("soc: renesas: rcar-sysc: Use
GENPD_FLAG_ALWAYS_ON"), the local variable "gov" is assigned just once,
so it can be eliminated.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
The local variable np in function rcar_sysc_pd_init takes the return
value of of_find_matching_node_and_match(), which gets a node but does
not put it. If np is not put before the function returns, it may cause
a memory leak.
Hence, remove the return statement that does not immediately follow a
putting of np. Replace it with a goto pointing to a pre-existing label
that first puts np and then returns the required value.
Issue found with Coccinelle.
Fixes: afa6f53df6 ("soc: renesas: rcar-sysc: Add support for fixing up power area tables")
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Starting with commit 72175d4ea4 ("driver core: Make driver core
own stateful device links") stateful device links are owned by the
driver core and should not be explicitly removed on device unbind.
Delete all device_link_remove appearances from the dpio driver.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Adding compatible string "ls1028a-dcfg" to initialize guts driver
for ls1028 and SoC die attribute definition for LS1028A
Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
When using the reserved memory node in the device tree there are
two options - dynamic or static. If a dynamic allocation was
selected (where the kernel selects the address for the allocation)
convert it to a static allocation by inserting the reg property.
This will ensure the same memory is reused after a kexec()
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
When shutting down a FQ on a dedicated channel only the
SW portal associated with that channel can dequeue from it.
Make sure the correct portal is use.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The drain_mr_fqni() function may be called fron uninterruptable
context so convert the msleep() to an mdelay(). Also ensure that
the valid bit is updated while polling.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
If the QMan device was previously initialized make sure all the
frame queues are out of service once all the portals are probed.
This handles the case where the kernel is restarted without the
SoC being reset (kexec for example)
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Clean the BMan buffer pools if the device had been initialized
previously. This will ensure a consistent state if the kernel
was soft restarted (kexec for example)
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Rework QBMan private memory setup so that the areas are not
zeroed if the device was previously initialized
If the QMan private memory was already initialized skip the PFDR
initialization.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
We don't need dev_err() messages when platform_get_irq() fails now that
platform_get_irq() prints an error message itself when something goes
wrong. Let's remove these prints with a simple semantic patch.
// <smpl>
@@
expression ret;
struct platform_device *E;
@@
ret =
(
platform_get_irq(E, ...)
|
platform_get_irq_byname(E, ...)
);
if ( \( ret < 0 \| ret <= 0 \) )
{
(
-if (ret != -EPROBE_DEFER)
-{ ...
-dev_err(...);
-... }
|
...
-dev_err(...);
)
...
}
// </smpl>
While we're here, remove braces on if statements that only have one
statement (manually).
Cc: Thierry Reding <treding@nvidia.com>
Cc: Li Yang <leoyang.li@nxp.com>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Convert the driver to use regmap API in order to allow other
drivers, like ASV, to access the CHIPID registers.
Add definition of selected CHIPID register offsets and register bit
fields for Exynos5422 SoC.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Exynos SoCs have Chipid, for identification of product IDs and SoC
revisions. This patch intends to provide initialization code for all
these functionalities, at the same time it provides some sysfs entries
for accessing these information to user-space.
This driver uses existing binding for exynos-chipid.
Changes by Bartlomiej:
- fixed return values on errors
- removed bogus kfree_const()
- added missing Exynos4210 EVT0 id
- converted code to use EXYNOS_MASK define
- fixed np use after of_node_put()
- fixed too early use of dev_info()
- made driver fail for unknown SoC-s
- added SPDX tag
- updated Copyrights
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
[m.szyprowski: for suggestion and code snippet of product_id_to_soc_id]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
[s.nawrocki: updated copyright date, removed uneeded headers inclusion]
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
We have another fix to disable voltage switching for am57xx SDIO as
the bootrom cannot handle all the voltages after a reset that thought
I had already sent a pull request for earlier but forgot. And we also
update dra74x iodelay configuration for mmc3 to use the recommended
values.
Then I noticed we had introduced few new boot warnings with the various
recent ti-sysc changes and wanted to fix those. I also noticed we still
have too many warnings to be able to spot the real ones easily and fixed
up few of those. Sure some of the warnings have been around for a long
time and few of the fixes could have waited for the merge window, but
having more usable dmesg log level output is a valuable.
Other fixes are IO size correction for am335x UARTs that cause issues
for at least FreeBSD using the same device tree file that checks that
the child IO range is not larger than the parent has.
For omap1 ams-delta keyboard we need to fix a irq ack that broke with
all the recent gpio changes.
And there are also few static checker warning fixes for recent am335x
PM changes and ti-sysc driver and one switch fall-though update.
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Merge tag 'omap-for-v5.3/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omap variants for v5.3-rc cycle
We have another fix to disable voltage switching for am57xx SDIO as
the bootrom cannot handle all the voltages after a reset that thought
I had already sent a pull request for earlier but forgot. And we also
update dra74x iodelay configuration for mmc3 to use the recommended
values.
Then I noticed we had introduced few new boot warnings with the various
recent ti-sysc changes and wanted to fix those. I also noticed we still
have too many warnings to be able to spot the real ones easily and fixed
up few of those. Sure some of the warnings have been around for a long
time and few of the fixes could have waited for the merge window, but
having more usable dmesg log level output is a valuable.
Other fixes are IO size correction for am335x UARTs that cause issues
for at least FreeBSD using the same device tree file that checks that
the child IO range is not larger than the parent has.
For omap1 ams-delta keyboard we need to fix a irq ack that broke with
all the recent gpio changes.
And there are also few static checker warning fixes for recent am335x
PM changes and ti-sysc driver and one switch fall-though update.
* tag 'omap-for-v5.3/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
soc: ti: pm33xx: Make two symbols static
soc: ti: pm33xx: Fix static checker warnings
ARM: OMAP: dma: Mark expected switch fall-throughs
ARM: dts: Fix incomplete dts data for am3 and am4 mmc
bus: ti-sysc: Simplify cleanup upon failures in sysc_probe()
ARM: OMAP1: ams-delta-fiq: Fix missing irq_ack
ARM: dts: dra74x: Fix iodelay configuration for mmc3
ARM: dts: am335x: Fix UARTs length
ARM: OMAP2+: Fix omap4 errata warning on other SoCs
ARM: dts: Fix incorrect dcan register mapping for am3, am4 and dra7
ARM: dts: Fix flags for gpio7
bus: ti-sysc: Fix using configured sysc mask value
bus: ti-sysc: Fix handling of forced idle
ARM: OMAP2+: Fix missing SYSC_HAS_RESET_STATUS for dra7 epwmss
ARM: dts: am57xx: Disable voltage switching for SD card
Link: https://lore.kernel.org/r/pull-1565844391-332885@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This is a slew of Ux500 updates for the v5.4 kernel cycle:
- Stop populating the PRCMU devices from the core CPU
file, it works just fine at device_initcall() level.
- Add a missing of_node_put() in the core file.
- Simplify the debug UART code.
- Add myself to MAINTAINERS
* tag 'ux500-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
MAINTAINERS: add soc/ux500
ARM: ux500: simplify and move debug UART
ARM: ux500: add missing of_node_put()
ARM: ux500: Stop populating the PRCMU devices early
Link: https://lore.kernel.org/r/CACRpkdbH-h5fRwuidcpeOp8mtRoKUW65SAk8a4A==BCDzn3QMA@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix a flexible array member definition in the R-Car SYSC driver.
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Merge tag 'renesas-drivers-for-v5.4-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/drivers
Renesas driver updates for v5.4
- Fix a flexible array member definition in the R-Car SYSC driver.
* tag 'renesas-drivers-for-v5.4-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: rcar-sysc: Use [] to denote a flexible array member
Link: https://lore.kernel.org/r/20190802120355.1430-3-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fix sparse warnings:
drivers/soc/ti/pm33xx.c:144:27: warning: symbol 'rtc_wake_src' was not declared. Should it be static?
drivers/soc/ti/pm33xx.c:160:5: warning: symbol 'am33xx_rtc_only_idle' was not declared. Should it be static?
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The patch fixes a bunch of static checker warnings.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Introduce fall through annotations in the switch statements of
socinfo_debugfs_init() to silence compiler warnings.
Acked-by: Vaishali Thakkar <vaishali.thakkar@linaro.org>
Fixes: 9c84c1e786 ("soc: qcom: socinfo: Expose custom attributes")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The AOSS QMP driver is extended to communicate with the additional
resources. These resources are then registered as cooling devices
with the thermal framework.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The socinfo driver provides information about version of the various
images loaded in the system. Expose this to user space for debugging
purpose.
Tested-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Vaishali Thakkar <vaishali.thakkar@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The Qualcomm socinfo provides a number of additional attributes,
add these to the socinfo driver and expose them via debugfs
functionality.
Tested-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Vaishali Thakkar <vaishali.thakkar@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The Qualcomm socinfo driver exposes information about the SoC, its
version and its serial number to user space.
Tested-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Imran Khan <kimran@codeaurora.org>
[Bjorn: Extract code to platform_driver, split patch in multiple]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[Vaishali: Simplify declarations, introduce qcom_socinfo struct, Fix
memory leak, Remove extra code and Misc code refactoring]
Signed-off-by: Vaishali Thakkar <vaishali.thakkar@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Add the SoC ID for the A311D Amlogic SoC.
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add the G12B second CPU cluster CPU and SYS_PLL measure IDs.
These IDs returns 0Hz on G12A.
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
In order to protect clock measuring when multiple process asks for
a measure, protect the main measure function with mutexes.
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Flexible array members should be denoted using [] instead of [0], else
gcc will not warn when they are no longer at the end of the structure.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
of_find_compatible_node() returns a pointer with refcount incremented
so both in the error path as well as after usage in soc_info_populate()
respectively actually b8500_read_soc_id() an explicit of_node_put is
needed to release backupram.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: commit 18a9927878 ("ARM: ux500: move soc_id driver to drivers/soc")
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
DPAA2 Console driver
- Add driver to export two char devices to dump logs for MC and
AIOP
DPAA2 DPIO driver
- Add support for memory backed QBMan portals
- Increase the timeout period to prevent false error
- Add APIs to retrieve QBMan portal probing status
DPAA Qman driver
- Only make liodn fixup on powerpc SoCs with PAMU iommu
QUICC Engine
- Add support for importing qe-snums through device tree
- Some cleanups and foot print optimzation
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Merge tag 'soc-fsl-next-v5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers
NXP/FSL SoC driver updates for v5.3 (take 2)
DPAA2 Console driver
- Add driver to export two char devices to dump logs for MC and
AIOP
DPAA2 DPIO driver
- Add support for memory backed QBMan portals
- Increase the timeout period to prevent false error
- Add APIs to retrieve QBMan portal probing status
DPAA Qman driver
- Only make liodn fixup on powerpc SoCs with PAMU iommu
QUICC Engine
- Add support for importing qe-snums through device tree
- Some cleanups and foot print optimzation
* tag 'soc-fsl-next-v5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
soc: fsl: qe: fold qe_get_num_of_snums into qe_snums_init
soc: fsl: qe: support fsl,qe-snums property
dt-bindings: soc: fsl: qe: document new fsl,qe-snums binding
soc: fsl: qe: introduce qe_get_device_node helper
soc: fsl: qe: reduce static memory footprint by 1.7K
soc: fsl: qe: drop useless static qualifier
soc: fsl: fix spelling mistake "Firmaware" -> "Firmware"
Link: https://lore.kernel.org/r/20190605194511.12127-1-leoyang.li@nxp.com
Signed-off-by: Olof Johansson <olof@lixom.net>
We continue to see a lot of new material. I've highlighted some of it
below, but there's been more beyond that as well.
One of the sweeping changes is that many boards have seen their ARM Mali
GPU devices added to device trees, since the DRM drivers have now been
merged.
So, with the caveat that I have surely missed several great
contributions, here's a collection of the material this time around:
New SoCs:
- Mediatek mt8183 (4x Cortex-A73 + 4x Cortex-A53)
- TI J721E (2x Cortex-A72 + 3x Cortex-R5F + 3 DSPs + MMA)
- Amlogic G12B (4x Cortex-A73 + 2x Cortex-A53)
New Boards / platforms:
- Aspeed BMC support for a number of new server platforms
- Kontron SMARC SoM (several i.MX6 versions)
- Novtech's Meerkat96 (i.MX7)
- ST Micro Avenger96 board
- Hardkernel ODROID-N2 (Amlogic G12B)
- Purism Librem5 devkit (i.MX8MQ)
- Google Cheza (Qualcomm SDM845)
- Qualcomm Dragonboard 845c (Qualcomm SDM845)
- Hugsun X99 TV Box (Rockchip RK3399)
- Khadas Edge/Edge-V/Captain (Rockchip RK3399)
Updated / expanded boards and platforms:
- Renesas r7s9210 has a lot of new peripherals added
- Polish and fixes for Rockchip-based Chromebooks
- Amlogic G12A has a lot of peripherals added
- Nvidia Jetson Nano sees various fixes and improvements, and is now at
feature parity with TX1
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM Devicetree updates from Olof Johansson:
"We continue to see a lot of new material. I've highlighted some of it
below, but there's been more beyond that as well.
One of the sweeping changes is that many boards have seen their ARM
Mali GPU devices added to device trees, since the DRM drivers have now
been merged.
So, with the caveat that I have surely missed several great
contributions, here's a collection of the material this time around:
New SoCs:
- Mediatek mt8183 (4x Cortex-A73 + 4x Cortex-A53)
- TI J721E (2x Cortex-A72 + 3x Cortex-R5F + 3 DSPs + MMA)
- Amlogic G12B (4x Cortex-A73 + 2x Cortex-A53)
New Boards / platforms:
- Aspeed BMC support for a number of new server platforms
- Kontron SMARC SoM (several i.MX6 versions)
- Novtech's Meerkat96 (i.MX7)
- ST Micro Avenger96 board
- Hardkernel ODROID-N2 (Amlogic G12B)
- Purism Librem5 devkit (i.MX8MQ)
- Google Cheza (Qualcomm SDM845)
- Qualcomm Dragonboard 845c (Qualcomm SDM845)
- Hugsun X99 TV Box (Rockchip RK3399)
- Khadas Edge/Edge-V/Captain (Rockchip RK3399)
Updated / expanded boards and platforms:
- Renesas r7s9210 has a lot of new peripherals added
- Fixes and polish for Rockchip-based Chromebooks
- Amlogic G12A has a lot of peripherals added
- Nvidia Jetson Nano sees various fixes and improvements, and is now
at feature parity with TX1"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (586 commits)
ARM: dts: gemini: Set DIR-685 SPI CS as active low
ARM: dts: exynos: Adjust buck[78] regulators to supported values on Arndale Octa
ARM: dts: exynos: Adjust buck[78] regulators to supported values on Odroid XU3 family
ARM: dts: exynos: Move Mali400 GPU node to "/soc"
ARM: dts: exynos: Fix imprecise abort on Mali GPU probe on Exynos4210
arm64: dts: qcom: qcs404: Add missing space for cooling-cells property
arm64: dts: rockchip: Fix USB3 Type-C on rk3399-sapphire
arm64: dts: rockchip: Update DWC3 modules on RK3399 SoCs
arm64: dts: rockchip: enable rk3328 watchdog clock
ARM: dts: rockchip: add display nodes for rk322x
ARM: dts: rockchip: fix vop iommu-cells on rk322x
arm64: dts: rockchip: Add support for Hugsun X99 TV Box
arm64: dts: rockchip: Define values for the IPA governor for rock960
arm64: dts: rockchip: Fix multiple thermal zones conflict in rk3399.dtsi
arm64: dts: rockchip: add core dtsi file for RK3399Pro SoCs
arm64: dts: rockchip: improve rk3328-roc-cc rgmii performance.
Revert "ARM: dts: rockchip: set PWM delay backlight settings for Minnie"
ARM: dts: rockchip: Configure BT_DEV_WAKE in on rk3288-veyron
arm64: dts: qcom: sdm845-cheza: add initial cheza dt
ARM: dts: msm8974-FP2: Add vibration motor
...
Various driver updates for platforms and a couple of the small driver
subsystems we merge through our tree:
- A driver for SCU (system control) on NXP i.MX8QXP
- Qualcomm Always-on Subsystem messaging driver (AOSS QMP)
- Qualcomm PM support for MSM8998
- Support for a newer version of DRAM PHY driver for Broadcom (DPFE)
- Reset controller support for Bitmain BM1880
- TI SCI (System Control Interface) support for CPU control on AM654
processors
- More TI sysc refactoring and rework
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC-related driver updates from Olof Johansson:
"Various driver updates for platforms and a couple of the small driver
subsystems we merge through our tree:
- A driver for SCU (system control) on NXP i.MX8QXP
- Qualcomm Always-on Subsystem messaging driver (AOSS QMP)
- Qualcomm PM support for MSM8998
- Support for a newer version of DRAM PHY driver for Broadcom (DPFE)
- Reset controller support for Bitmain BM1880
- TI SCI (System Control Interface) support for CPU control on AM654
processors
- More TI sysc refactoring and rework"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (84 commits)
reset: remove redundant null check on pointer dev
soc: rockchip: work around clang warning
dt-bindings: reset: imx7: Fix the spelling of 'indices'
soc: imx: Add i.MX8MN SoC driver support
soc: aspeed: lpc-ctrl: Fix probe error handling
soc: qcom: geni: Add support for ACPI
firmware: ti_sci: Fix gcc unused-but-set-variable warning
firmware: ti_sci: Use the correct style for SPDX License Identifier
soc: imx8: Use existing of_root directly
soc: imx8: Fix potential kernel dump in error path
firmware/psci: psci_checker: Park kthreads before stopping them
memory: move jedec_ddr.h from include/memory to drivers/memory/
memory: move jedec_ddr_data.c from lib/ to drivers/memory/
MAINTAINERS: Remove myself as qcom maintainer
soc: aspeed: lpc-ctrl: make parameter optional
soc: qcom: apr: Don't use reg for domain id
soc: qcom: fix QCOM_AOSS_QMP dependency and build errors
memory: tegra: Fix -Wunused-const-variable
firmware: tegra: Early resume BPMP
soc/tegra: Select pinctrl for Tegra194
...
SoC platform changes. Main theme this merge window:
- The Netx platform (Netx 100/500) platform is removed by Linus Walleij--
the SoC doesn't have active maintainers with hardware, and in
discussions with the vendor the agreement was that it's OK to remove.
- Russell King has a series of patches that cleans up and refactors
SA1101 and RiscPC support.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Olof Johansson:
"SoC platform changes. Main theme this merge window:
- The Netx platform (Netx 100/500) platform is removed by Linus
Walleij-- the SoC doesn't have active maintainers with hardware,
and in discussions with the vendor the agreement was that it's OK
to remove.
- Russell King has a series of patches that cleans up and refactors
SA1101 and RiscPC support"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (47 commits)
ARM: stm32: use "depends on" instead of "if" after prompt
ARM: sa1100: convert to common clock framework
ARM: exynos: Cleanup cppcheck shifting warning
ARM: pxa/lubbock: remove lubbock_set_misc_wr() from global view
ARM: exynos: Only build MCPM support if used
arm: add missing include platform-data/atmel.h
ARM: davinci: Use GPIO lookup table for DA850 LEDs
ARM: OMAP2: drop explicit assembler architecture
ARM: use arch_extension directive instead of arch argument
ARM: imx: Switch imx7d to imx-cpufreq-dt for speed-grading
ARM: bcm: Enable PINCTRL for ARCH_BRCMSTB
ARM: bcm: Enable ARCH_HAS_RESET_CONTROLLER for ARCH_BRCMSTB
ARM: riscpc: enable chained scatterlist support
ARM: riscpc: reduce IRQ handling code
ARM: riscpc: move RiscPC assembly files from arch/arm/lib to mach-rpc
ARM: riscpc: parse video information from tagged list
ARM: riscpc: add ecard quirk for Atomwide 3port serial card
MAINTAINERS: mvebu: Add git entry
soc: ti: pm33xx: Add a print while entering RTC only mode with DDR in self-refresh
ARM: OMAP2+: Make some variables static
...
This adds support for the STM32 remoteproc, additional i.MX platforms
with Cortex M4 remoteprocs and Qualcomm's QCS404 Compute DSP. Initial
support for vendor specific resource table entries and support for
unprocessed Qualcomm firmware files.
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Merge tag 'rproc-v5.3' of git://github.com/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
"This adds support for the STM32 remoteproc, additional i.MX platforms
with Cortex M4 remoteprocs and Qualcomm's QCS404 Compute DSP.
Also initial support for vendor specific resource table entries and
support for unprocessed Qualcomm firmware files"
* tag 'rproc-v5.3' of git://github.com/andersson/remoteproc:
remoteproc: stm32: fix building without ARM SMCC
remoteproc: qcom: q6v5-mss: Fix build error without QCOM_MDT_LOADER
remoteproc: copy parent dma_pfn_offset for vdev
remoteproc: qcom: q6v5-mss: Support loading non-split images
soc: qcom: mdt_loader: Support loading non-split images
remoteproc: stm32: add an ST stm32_rproc driver
dt-bindings: remoteproc: add bindings for stm32 remote processor driver
dt-bindings: stm32: add bindings for ML-AHB interconnect
remoteproc: Use struct_size() helper
remoteproc: add vendor resources handling
remoteproc: imx: Fix typo in "failed"
remoteproc: imx: Broaden the Kconfig selection logic
remoteproc,rpmsg: add missing MAINTAINERS file entries
remoteproc: qcom: qdsp6-adsp: Add support for QCS404 CDSP
dt-bindings: remoteproc: Rename and amend Hexagon v56 binding
- Add support in dmaengine core to do device node checks for DT devices and
update bunch of drivers to use that and remove open coding from drivers
- New driver/driver support for new hardware, namely:
- MediaTek UART APDMA
- Freescale i.mx7ulp edma2
- Synopsys eDMA IP core version 0
- Allwinner H6 DMA
- Updates to axi-dma and support for interleaved cyclic transfers
- Greg's debugfs return value check removals on drivers
- Updates to stm32-dma, hsu, dw, pl330, tegra drivers
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Merge tag 'dmaengine-5.3-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
- Add support in dmaengine core to do device node checks for DT devices
and update bunch of drivers to use that and remove open coding from
drivers
- New driver/driver support for new hardware, namely:
- MediaTek UART APDMA
- Freescale i.mx7ulp edma2
- Synopsys eDMA IP core version 0
- Allwinner H6 DMA
- Updates to axi-dma and support for interleaved cyclic transfers
- Greg's debugfs return value check removals on drivers
- Updates to stm32-dma, hsu, dw, pl330, tegra drivers
* tag 'dmaengine-5.3-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (68 commits)
dmaengine: Revert "dmaengine: fsl-edma: add i.mx7ulp edma2 version support"
dmaengine: at_xdmac: check for non-empty xfers_list before invoking callback
Documentation: dmaengine: clean up description of dmatest usage
dmaengine: tegra210-adma: remove PM_CLK dependency
dmaengine: fsl-edma: add i.mx7ulp edma2 version support
dt-bindings: dma: fsl-edma: add new i.mx7ulp-edma
dmaengine: fsl-edma-common: version check for v2 instead
dmaengine: fsl-edma-common: move dmamux register to another single function
dmaengine: fsl-edma: add drvdata for fsl-edma
dmaengine: Revert "dmaengine: fsl-edma: support little endian for edma driver"
dmaengine: rcar-dmac: Reject zero-length slave DMA requests
dmaengine: dw: Enable iDMA 32-bit on Intel Elkhart Lake
dmaengine: dw-edma: fix semicolon.cocci warnings
dmaengine: sh: usb-dmac: Use [] to denote a flexible array member
dmaengine: dmatest: timeout value of -1 should specify infinite wait
dmaengine: dw: Distinguish ->remove() between DW and iDMA 32-bit
dmaengine: fsl-edma: support little endian for edma driver
dmaengine: hsu: Revert "set HSU_CH_MTSR to memory width"
dmagengine: pl330: add code to get reset property
dt-bindings: pl330: document the optional resets property
...
Convert docs to ReST and add them to the arch-specific
book.
The conversion here was trivial, as almost every file there
was already using an elegant format close to ReST standard.
The changes were mostly to mark literal blocks and add a few
missing section title identifiers.
One note with regards to "--": on Sphinx, this can't be used
to identify a list, as it will format it badly. This can be
used, however, to identify a long hyphen - and "---" is an
even longer one.
At its new index.rst, let's add a :orphan: while this is not linked to
the main index.rst file, in order to avoid build warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> # cxl
Here is the big USB and PHY driver pull request for 5.3-rc1.
Lots of stuff here, all of which has been in linux-next for a while with
no reported issues. Nothing is earth-shattering, just constant forward
progress for more devices supported and cleanups and small fixes:
- USB gadget driver updates and fixes
- new USB gadget driver for some hardware, followed by a quick revert
of those patches as they were not ready to be merged...
- PHY driver updates
- Lots of new driver additions and cleanups with a few fixes mixed in.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / PHY updates from Greg KH:
"Here is the big USB and PHY driver pull request for 5.3-rc1.
Lots of stuff here, all of which has been in linux-next for a while
with no reported issues. Nothing is earth-shattering, just constant
forward progress for more devices supported and cleanups and small
fixes:
- USB gadget driver updates and fixes
- new USB gadget driver for some hardware, followed by a quick revert
of those patches as they were not ready to be merged...
- PHY driver updates
- Lots of new driver additions and cleanups with a few fixes mixed
in"
* tag 'usb-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (145 commits)
Revert "usb: gadget: storage: Remove warning message"
Revert "dt-bindings: add binding for USBSS-DRD controller."
Revert "usb:gadget Separated decoding functions from dwc3 driver."
Revert "usb:gadget Patch simplify usb_decode_set_clear_feature function."
Revert "usb:gadget Simplify usb_decode_get_set_descriptor function."
Revert "usb:cdns3 Add Cadence USB3 DRD Driver"
Revert "usb:cdns3 Fix for stuck packets in on-chip OUT buffer."
usb :fsl: Change string format for errata property
usb: host: Stops USB controller init if PLL fails to lock
usb: linux/fsl_device: Add platform member has_fsl_erratum_a006918
usb: phy: Workaround for USB erratum-A005728
usb: fsl: Set USB_EN bit to select ULPI phy
usb: Handle USB3 remote wakeup for LPM enabled devices correctly
drivers/usb/typec/tps6598x.c: fix 4CC cmd write
drivers/usb/typec/tps6598x.c: fix portinfo width
usb: storage: scsiglue: Do not skip VPD if try_vpd_pages is set
usb: renesas_usbhs: add a workaround for a race condition of workqueue
usb: gadget: udc: renesas_usb3: remove redundant assignment to ret
usb: dwc2: use a longer AHB idle timeout in dwc2_core_reset()
USB: gadget: function: fix issue Unneeded variable: "value"
...
- Improve the handling of shared ACPI power resources in the PCI
bus type layer (Mika Westerberg).
- Make the PCI layer take link delays required by the PCIe spec
into account as appropriate and avoid polling devices in D3cold
for PME (Mika Westerberg).
- Fix some corner case issues in ACPI device power management and
in the PCI bus type layer, optimiza and clean up the handling of
runtime-suspended PCI devices during system-wide transitions to
sleep states (Rafael Wysocki).
- Rework hibernation handling in the ACPI core and the PCI bus type
to resume runtime-suspended devices before hibernation (which
allows some functional problems to be avoided) and fix some ACPI
power management issues related to hiberation (Rafael Wysocki).
- Extend the operating performance points (OPP) framework to support
a wider range of devices (Rajendra Nayak, Stehpen Boyd).
- Fix issues related to genpd_virt_devs and issues with platforms
using the set_opp() callback in the OPP framework (Viresh Kumar,
Dmitry Osipenko).
- Add new cpufreq driver for Raspberry Pi (Nicolas Saenz Julienne).
- Add new cpufreq driver for imx8m and imx7d chips (Leonard Crestez).
- Fix and clean up the pcc-cpufreq, brcmstb-avs-cpufreq, s5pv210,
and armada-37xx cpufreq drivers (David Arcari, Florian Fainelli,
Paweł Chmiel, YueHaibing).
- Clean up and fix the cpufreq core (Viresh Kumar, Daniel Lezcano).
- Fix minor issue in the ACPI system sleep support code and export
one function from it (Lenny Szubowicz, Dexuan Cui).
- Clean up assorted pieces of PM code and documentation (Kefeng Wang,
Andy Shevchenko, Bart Van Assche, Greg Kroah-Hartman, Fuqian Huang,
Geert Uytterhoeven, Mathieu Malaterre, Rafael Wysocki).
- Update the pm-graph utility to v5.4 (Todd Brandt).
- Fix and clean up the cpupower utility (Abhishek Goel, Nick Black).
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Merge tag 'pm-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These update PCI and ACPI power management (improved handling of ACPI
power resources and PCIe link delays, fixes related to corner cases,
hibernation handling rework), fix and extend the operating performance
points (OPP) framework, add new cpufreq drivers for Raspberry Pi and
imx8m chips, update some other cpufreq drivers, clean up assorted
pieces of PM code and documentation and update tools.
Specifics:
- Improve the handling of shared ACPI power resources in the PCI bus
type layer (Mika Westerberg).
- Make the PCI layer take link delays required by the PCIe spec into
account as appropriate and avoid polling devices in D3cold for PME
(Mika Westerberg).
- Fix some corner case issues in ACPI device power management and in
the PCI bus type layer, optimiza and clean up the handling of
runtime-suspended PCI devices during system-wide transitions to
sleep states (Rafael Wysocki).
- Rework hibernation handling in the ACPI core and the PCI bus type
to resume runtime-suspended devices before hibernation (which
allows some functional problems to be avoided) and fix some ACPI
power management issues related to hiberation (Rafael Wysocki).
- Extend the operating performance points (OPP) framework to support
a wider range of devices (Rajendra Nayak, Stehpen Boyd).
- Fix issues related to genpd_virt_devs and issues with platforms
using the set_opp() callback in the OPP framework (Viresh Kumar,
Dmitry Osipenko).
- Add new cpufreq driver for Raspberry Pi (Nicolas Saenz Julienne).
- Add new cpufreq driver for imx8m and imx7d chips (Leonard Crestez).
- Fix and clean up the pcc-cpufreq, brcmstb-avs-cpufreq, s5pv210, and
armada-37xx cpufreq drivers (David Arcari, Florian Fainelli, Paweł
Chmiel, YueHaibing).
- Clean up and fix the cpufreq core (Viresh Kumar, Daniel Lezcano).
- Fix minor issue in the ACPI system sleep support code and export
one function from it (Lenny Szubowicz, Dexuan Cui).
- Clean up assorted pieces of PM code and documentation (Kefeng Wang,
Andy Shevchenko, Bart Van Assche, Greg Kroah-Hartman, Fuqian Huang,
Geert Uytterhoeven, Mathieu Malaterre, Rafael Wysocki).
- Update the pm-graph utility to v5.4 (Todd Brandt).
- Fix and clean up the cpupower utility (Abhishek Goel, Nick Black)"
* tag 'pm-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (57 commits)
ACPI: PM: Make acpi_sleep_state_supported() non-static
PM: sleep: Drop dev_pm_skip_next_resume_phases()
ACPI: PM: Unexport acpi_device_get_power()
Documentation: ABI: power: Add missing newline at end of file
ACPI: PM: Drop unused function and function header
ACPI: PM: Introduce "poweroff" callbacks for ACPI PM domain and LPSS
ACPI: PM: Simplify and fix PM domain hibernation callbacks
PCI: PM: Simplify bus-level hibernation callbacks
PM: ACPI/PCI: Resume all devices during hibernation
cpufreq: Avoid calling cpufreq_verify_current_freq() from handle_update()
cpufreq: Consolidate cpufreq_update_current_freq() and __cpufreq_get()
kernel: power: swap: use kzalloc() instead of kmalloc() followed by memset()
cpufreq: Don't skip frequency validation for has_target() drivers
PCI: PM/ACPI: Refresh all stale power state data in pci_pm_complete()
PCI / ACPI: Add _PR0 dependent devices
ACPI / PM: Introduce concept of a _PR0 dependent device
PCI / ACPI: Use cached ACPI device state to get PCI device power state
ACPI: PM: Allow transitions to D0 to occur in special cases
ACPI: PM: Avoid evaluating _PS3 on transitions from D3hot to D3cold
cpufreq: Use has_target() instead of !setpolicy
...
* pm-cpufreq:
cpufreq: Avoid calling cpufreq_verify_current_freq() from handle_update()
cpufreq: Consolidate cpufreq_update_current_freq() and __cpufreq_get()
cpufreq: Don't skip frequency validation for has_target() drivers
cpufreq: Use has_target() instead of !setpolicy
cpufreq: Remove redundant !setpolicy check
cpufreq: Move the IS_ENABLED(CPU_THERMAL) macro into a stub
cpufreq: s5pv210: Don't flood kernel log after cpufreq change
cpufreq: pcc-cpufreq: Fail initialization if driver cannot be registered
cpufreq: add driver for Raspberry Pi
cpufreq: Switch imx7d to imx-cpufreq-dt for speed grading
cpufreq: imx-cpufreq-dt: Remove global platform match list
cpufreq: brcmstb-avs-cpufreq: Fix types for voltage/frequency
cpufreq: brcmstb-avs-cpufreq: Fix initial command check
cpufreq: armada-37xx: Remove set but not used variable 'freq'
cpufreq: imx-cpufreq-dt: Fix no OPPs available on unfused parts
dt-bindings: imx-cpufreq-dt: Document opp-supported-hw usage
cpufreq: Add imx-cpufreq-dt driver
clang emits a warning about a negative shift count for an
unused part of a conditional constant expression:
drivers/soc/rockchip/pm_domains.c:795:21: error: shift count is negative [-Werror,-Wshift-count-negative]
[RK3328_PD_VIO] = DOMAIN_RK3328(-1, 8, 8, false),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/soc/rockchip/pm_domains.c:129:2: note: expanded from macro 'DOMAIN_RK3328'
DOMAIN_M(pwr, pwr, req, (req) + 10, req, wakeup)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/soc/rockchip/pm_domains.c:105:33: note: expanded from macro 'DOMAIN_M'
.status_mask = (status >= 0) ? BIT(status) : 0, \
^~~~~~~~~~~
include/linux/bits.h:6:24: note: expanded from macro 'BIT'
This is a bug in clang that will be fixed in the future, but in order
to build cleanly with clang-8, it would be helpful to shut up this
warning. This file is the only instance reported by kernelci at the
moment.
The best solution I could come up with is to move the BIT() usage
out of the macro into the instantiation, so we can avoid using
BIT(-1).
Link: https://lore.kernel.org/r/20190703153112.2767411-1-arnd@arndb.de
Link: https://bugs.llvm.org/show_bug.cgi?id=38789
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
OHCI driver was converted over to use GPIO regulators.
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Merge tag 'davinci-fixes-for-v5.2-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into arm/fixes
This set of patches fixes regressions introduced in v5.2 kernel when DA8xx
OHCI driver was converted over to use GPIO regulators.
* tag 'davinci-fixes-for-v5.2-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: da830-evm: fix GPIO lookup for OHCI
ARM: davinci: omapl138-hawk: add missing regulator constraints for OHCI
ARM: davinci: da830-evm: add missing regulator constraints for OHCI
+ Linux 5.2-rc7
Signed-off-by: Olof Johansson <olof@lixom.net>
In some software releases the firmware images are not split up with each
loadable segment in it's own file. Check the size of the loaded firmware
to see if it still contains each segment to be loaded, before falling
back to the split-out segments.
Acked-by: Andy Gross <agross@kernel.org>
Reviewed-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The irqchip driver depends on the SoC specific driver, but we want
to be able to compile-test it elsewhere:
WARNING: unmet direct dependencies detected for TI_SCI_INTA_MSI_DOMAIN
Depends on [n]: SOC_TI [=n]
Selected by [y]:
- TI_SCI_INTA_IRQCHIP [=y] && TI_SCI_PROTOCOL [=y]
drivers/irqchip/irq-ti-sci-inta.o: In function `ti_sci_inta_irq_domain_probe':
irq-ti-sci-inta.c:(.text+0x204): undefined reference to `ti_sci_inta_msi_create_irq_domain'
Rearrange the Kconfig and Makefile so we build the soc driver whenever
its users are there, regardless of the SOC_TI option.
Fixes: 49b323157b ("soc: ti: Add MSI domain bus support for Interrupt Aggregator")
Fixes: f011df6179 ("irqchip/ti-sci-inta: Add msi domain support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
The biggest part here is a set of patches removing unnecesary variables
from several drivers.
Meson-g12a's dwc3 glue implemented IRQ-based OTG/DRD role swap.
Qcom's dwc3 glue added support for ACPI, mainly for the AArch64-based
SoCs.
DWC3 also got support for Intel Elkhart Lake platforms.
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Merge tag 'usb-for-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: changes for v5.3 merge window
The biggest part here is a set of patches removing unnecesary variables
from several drivers.
Meson-g12a's dwc3 glue implemented IRQ-based OTG/DRD role swap.
Qcom's dwc3 glue added support for ACPI, mainly for the AArch64-based
SoCs.
DWC3 also got support for Intel Elkhart Lake platforms.
* tag 'usb-for-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (30 commits)
usb: dwc3: remove unused @lock member of dwc3_ep struct
usb: dwc3: pci: Add Support for Intel Elkhart Lake Devices
usb: Replace snprintf with scnprintf in gether_get_ifname
usb: gadget: ether: Fix race between gether_disconnect and rx_submit
usb: gadget: storage: Remove warning message
usb: dwc3: gadget: Add support for disabling U1 and U2 entries
usb: gadget: send usb_gadget as an argument in get_config_params
doc: dt: bindings: usb: dwc3: Update entries for disabling U1 and U2
usb: dwc3: qcom: Use of_clk_get_parent_count()
usb: dwc3: Fix core validation in probe, move after clocks are enabled
usb: dwc3: qcom: Improve error handling
usb: dwc3: qcom: Start USB in 'host mode' on the SDM845
usb: dwc3: qcom: Add support for booting with ACPI
soc: qcom: geni: Add support for ACPI
Revert "usb: dwc2: host: Setting qtd to NULL after freeing it"
usb: gadget: net2272: remove redundant assignments to pointer 's'
usb: gadget: Zero ffs_io_data
USB: omap_udc: Remove unneeded variable
fotg210-udc: Remove unneeded variable
usb: gadget: at91_udc: Remove unneeded variable
...
Pull ARM cpufreq changes for v5.3 from Viresh Kumar:
"This pull request contains:
- Minor fixes for brcmstb driver (Florian).
- New imx-cpufreq driver, its bindings and code around it (Leonard).
- New Raspberry Pi driver (Nicolas).
- Minor fix for s5pv210 driver (Pawel).
- Minor cleanup for armada driver (YueHaibing)."
* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
cpufreq: s5pv210: Don't flood kernel log after cpufreq change
cpufreq: add driver for Raspberry Pi
cpufreq: Switch imx7d to imx-cpufreq-dt for speed grading
cpufreq: imx-cpufreq-dt: Remove global platform match list
cpufreq: brcmstb-avs-cpufreq: Fix types for voltage/frequency
cpufreq: brcmstb-avs-cpufreq: Fix initial command check
cpufreq: armada-37xx: Remove set but not used variable 'freq'
cpufreq: imx-cpufreq-dt: Fix no OPPs available on unfused parts
dt-bindings: imx-cpufreq-dt: Document opp-supported-hw usage
cpufreq: Add imx-cpufreq-dt driver
* Auto-enable RZ/A1 IRQC on RZ/A1H and RZ/A2M
* Don't init CNTVOFF/counter if PSCI is available
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Merge tag 'renesas-arm-soc-for-v5.3' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into arm/soc
Renesas ARM Based SoC Updates for v5.3
* Auto-enable RZ/A1 IRQC on RZ/A1H and RZ/A2M
* Don't init CNTVOFF/counter if PSCI is available
* tag 'renesas-arm-soc-for-v5.3' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: Enable RZ/A1 IRQC on RZ/A1H and RZ/A2M
ARM: mach-shmobile: Don't init CNTVOFF/counter if PSCI is available
Signed-off-by: Olof Johansson <olof@lixom.net>
- Add i.MX SCU based SoC bus driver for i.MX8QXP SoC support, which
talks to SCU firmware for getting SoC ID and revision.
- Update soc-imx8 bus driver to read imx8mm soc revision from anatop.
- Add i.MX8MN SoC bus support into soc-imx8 driver.
- Various small improvements on soc-imx8 bus driver.
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Merge tag 'imx-drivers-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX driver changes for 5.3:
- Add i.MX SCU based SoC bus driver for i.MX8QXP SoC support, which
talks to SCU firmware for getting SoC ID and revision.
- Update soc-imx8 bus driver to read imx8mm soc revision from anatop.
- Add i.MX8MN SoC bus support into soc-imx8 driver.
- Various small improvements on soc-imx8 bus driver.
* tag 'imx-drivers-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: Add i.MX8MN SoC driver support
soc: imx8: Use existing of_root directly
soc: imx8: Fix potential kernel dump in error path
soc: imx: soc-imx8: Correct return value of error handle
soc: imx: soc-imx8: Avoid unnecessary of_node_put() in error handling
soc: imx: Add SCU SoC info driver support
soc: imx: Read imx8mm soc revision from anatop
Signed-off-by: Olof Johansson <olof@lixom.net>
LPC control driver changes and a fix.
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Merge tag 'aspeed-5.3-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed into arm/drivers
ASPEED SoC updates for 5.3
LPC control driver changes and a fix.
* tag 'aspeed-5.3-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed:
soc: aspeed: lpc-ctrl: Fix probe error handling
soc: aspeed: lpc-ctrl: make parameter optional
Signed-off-by: Olof Johansson <olof@lixom.net>
This contains a set of minor fixes and cleanups for core Tegra drivers.
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Merge tag 'tegra-for-5.3-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
soc: tegra: Changes for v5.3-rc1
This contains a set of minor fixes and cleanups for core Tegra drivers.
* tag 'tegra-for-5.3-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: Select pinctrl for Tegra194
soc/tegra: fuse: Do not log error message on deferred probe
soc/tegra: pmc: Add comments clarifying wake events
soc/tegra: pmc: Avoid crash for non-wake IRQs
soc/tegra: pmc: Fail to allocate more than one wake IRQ
Signed-off-by: Olof Johansson <olof@lixom.net>
- canvas: add support for Meson8*
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Merge tag 'amlogic-drivers' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/drivers
soc: Amlogic driver updates for v5.3
- canvas: add support for Meson8*
* tag 'amlogic-drivers' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
soc: amlogic: canvas: add support for Meson8, Meson8b and Meson8m2
dt-bindings: soc: amlogic: canvas: document support for Meson8/8b/8m2
Signed-off-by: Olof Johansson <olof@lixom.net>
* Add ACPI support to Qualcomm GENI SE
* Update Qualcomm Maintainers entry to remove David Brown as maintainer and
fixup typos and incorrect DT file entry
* Fixup APR domain id usage and making callbacks in non-atomic context
* Add AOSS QMP driver and bindings
* Add power domains for MSM8998 and QCS404 in QCOM RPMPD
* Add corner macros, max state support, and fixups for setting performance state
for Qcom RPMPD
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Merge tag 'qcom-drivers-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/drivers
Qualcomm ARM Based Driver Updates for v5.3
* Add ACPI support to Qualcomm GENI SE
* Update Qualcomm Maintainers entry to remove David Brown as maintainer and
fixup typos and incorrect DT file entry
* Fixup APR domain id usage and making callbacks in non-atomic context
* Add AOSS QMP driver and bindings
* Add power domains for MSM8998 and QCS404 in QCOM RPMPD
* Add corner macros, max state support, and fixups for setting performance state
for Qcom RPMPD
* tag 'qcom-drivers-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: geni: Add support for ACPI
MAINTAINERS: Remove myself as qcom maintainer
soc: qcom: apr: Don't use reg for domain id
soc: qcom: fix QCOM_AOSS_QMP dependency and build errors
soc: qcom: Add AOSS QMP driver
dt-bindings: soc: qcom: Add AOSS QMP binding
qcom: apr: Make apr callbacks in non-atomic context
soc: qcom: rpmpd: Add MSM8998 power-domains
dt-bindings: power: Add rpm power domain bindings for msm8998
soc: qcom: rpmpd: Add QCS404 power-domains
dt-bindings: power: Add rpm power domain bindings for qcs404
soc: qcom: rpmpd: Modify corner defining macros
soc: qcom: rpmpd: Add support to set rpmpd state to max
soc: qcom: rpmpd: fixup rpmpd set performance state
MAINTAINER: Fix Qualcomm ETHQOS ethernet DT file
MAINTAINERS: fix typo in file name
Signed-off-by: Olof Johansson <olof@lixom.net>
gcc warns that a mising "flash" phandle node leads to undefined
behavior later:
drivers/soc/aspeed/aspeed-lpc-ctrl.c: In function 'aspeed_lpc_ctrl_probe':
drivers/soc/aspeed/aspeed-lpc-ctrl.c:201:18: error: '*((void *)&resm+8)' may be used uninitialized in this function [-Werror=maybe-uninitialized]
Only set the flash base and size if we find a phandle in the device
tree.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Vijay Khemka <vijaykhemka@fb.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Another round of SPDX updates for 5.2-rc6
Here is what I am guessing is going to be the last "big" SPDX update for
5.2. It contains all of the remaining GPLv2 and GPLv2+ updates that
were "easy" to determine by pattern matching. The ones after this are
going to be a bit more difficult and the people on the spdx list will be
discussing them on a case-by-case basis now.
Another 5000+ files are fixed up, so our overall totals are:
Files checked: 64545
Files with SPDX: 45529
Compared to the 5.1 kernel which was:
Files checked: 63848
Files with SPDX: 22576
This is a huge improvement.
Also, we deleted another 20000 lines of boilerplate license crud, always
nice to see in a diffstat.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
Pull still more SPDX updates from Greg KH:
"Another round of SPDX updates for 5.2-rc6
Here is what I am guessing is going to be the last "big" SPDX update
for 5.2. It contains all of the remaining GPLv2 and GPLv2+ updates
that were "easy" to determine by pattern matching. The ones after this
are going to be a bit more difficult and the people on the spdx list
will be discussing them on a case-by-case basis now.
Another 5000+ files are fixed up, so our overall totals are:
Files checked: 64545
Files with SPDX: 45529
Compared to the 5.1 kernel which was:
Files checked: 63848
Files with SPDX: 22576
This is a huge improvement.
Also, we deleted another 20000 lines of boilerplate license crud,
always nice to see in a diffstat"
* tag 'spdx-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (65 commits)
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 507
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 506
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 504
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 503
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 502
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 501
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 498
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 497
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 496
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 495
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 491
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 490
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 489
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 488
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 487
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 486
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 485
...
tegra_powergate_sequence_power_up() powers up partition and also enables
clock & reset. However, if a controller like PCIe have multiple clocks
& resets and they need to be enabled in a sequence, driver must use
standalone function tegra_powergate_power_on() to power up partition.
Export tegra_powergate_power_on() to allow Tegra controller drivers to
unpower gate partition independent to clock & reset.
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When booting with ACPI as the active set of configuration tables,
all; clocks, regulators, pin functions ect are expected to be at
their ideal values/levels/rates, thus the associated frameworks
are unavailable. Ensure calls to these APIs are shielded when
ACPI is enabled.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <agross@kernel.org>
There is common of_root for reference, no need to find it
from DT again, use of_root directly to make driver simple.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
When booting with ACPI as the active set of configuration tables,
all; clocks, regulators, pin functions ect are expected to be at
their ideal values/levels/rates, thus the associated frameworks
are unavailable. Ensure calls to these APIs are shielded when
ACPI is enabled.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Just two changes to make few platform data functions static, and to
call dev_info() if am437x is suspending to RTC-only mode. We want to
see this in case of issues as it depends on the board wiring for things
like DDR memory.
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Merge tag 'omap-for-v5.3/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/soc
ti-sysc soc changes for v5.3
Just two changes to make few platform data functions static, and to
call dev_info() if am437x is suspending to RTC-only mode. We want to
see this in case of issues as it depends on the board wiring for things
like DDR memory.
* tag 'omap-for-v5.3/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
soc: ti: pm33xx: Add a print while entering RTC only mode with DDR in self-refresh
ARM: OMAP2+: Make some variables static
Signed-off-by: Olof Johansson <olof@lixom.net>
DPAA2 Console driver
- Add driver to export two char devices to dump logs for MC and
AIOP
DPAA2 DPIO driver
- Add support for memory backed QBMan portals
- Increase the timeout period to prevent false error
- Add APIs to retrieve QBMan portal probing status
DPAA Qman driver
- Only make liodn fixup on powerpc SoCs with PAMU iommu
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Merge tag 'soc-fsl-next-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers
NXP/FSL SoC driver updates for v5.3
DPAA2 Console driver
- Add driver to export two char devices to dump logs for MC and
AIOP
DPAA2 DPIO driver
- Add support for memory backed QBMan portals
- Increase the timeout period to prevent false error
- Add APIs to retrieve QBMan portal probing status
DPAA Qman driver
- Only make liodn fixup on powerpc SoCs with PAMU iommu
* tag 'soc-fsl-next-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
soc: fsl: qbman_portals: add APIs to retrieve the probing status
soc: fsl: qman: fixup liodns only on ppc targets
soc: fsl: dpio: Add support for memory backed QBMan portals
bus: mc-bus: Add support for mapping shareable portals
soc: fsl: dpio: Increase timeout for QBMan Management Commands
soc: fsl: add DPAA2 console support
Documentation: DT: Add entry for DPAA2 console
soc: fsl: guts: Add definition for LX2160A
Signed-off-by: Olof Johansson <olof@lixom.net>
Making memory-region and flash as optional parameter in device
tree if user needs to use these parameter through ioctl then
need to define in devicetree.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
fixes for 5.2-rc1, please pull the following:
- Florian fixes the biuctrl driver not to create an error condition/path
upon unsupported CPU and also fixes the biuctrl driver writes to used
a data barrier which is necessary given the HW block design
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Merge tag 'arm-soc/for-5.2/drivers-fixes' of https://github.com/Broadcom/stblinux into fixes
This pull request contains Broadcom ARM/ARM64/MIPS SoCs device drivers
fixes for 5.2-rc1, please pull the following:
- Florian fixes the biuctrl driver not to create an error condition/path
upon unsupported CPU and also fixes the biuctrl driver writes to used
a data barrier which is necessary given the HW block design
* tag 'arm-soc/for-5.2/drivers-fixes' of https://github.com/Broadcom/stblinux:
soc: bcm: brcmstb: biuctrl: Register writes require a barrier
soc: brcmstb: Fix error path for unsupported CPUs
Signed-off-by: Olof Johansson <olof@lixom.net>
The reg property represents the address and size on the bus that a
device lives, but for APR the parent is a rpmsg bus, which does not have
numerical addresses. Simply defining #address/#size-cells to 1 and 0,
respectively, to silence the compiler is not an appropriate solution.
Replace the use of "reg" with an APR specific property.
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Fix Kconfig warning and subsequent build errors that are caused
when PM_GENERIC_DOMAINS=y but CONFIG_PM is not set/enabled.
WARNING: unmet direct dependencies detected for PM_GENERIC_DOMAINS
Depends on [n]: PM [=n]
Selected by [m]:
- QCOM_AOSS_QMP [=m] && (ARCH_QCOM || COMPILE_TEST [=y]) && MAILBOX [=y] && COMMON_CLK [=y]
Fixes these build errors:
../drivers/base/power/domain.c: In function ‘genpd_queue_power_off_work’:
../drivers/base/power/domain.c:485:13: error: ‘pm_wq’ undeclared (first use in this function)
queue_work(pm_wq, &genpd->power_off_work);
../drivers/base/power/domain.c:485:13: note: each undeclared identifier is reported only once for each function it appears in
../drivers/base/power/domain.c: In function ‘genpd_dev_pm_qos_notifier’:
../drivers/base/power/domain.c:675:25: error: ‘struct dev_pm_info’ has no member named ‘ignore_children’
if (!dev || dev->power.ignore_children)
../drivers/base/power/domain.c: In function ‘rtpm_status_str’:
../drivers/base/power/domain.c:2754:16: error: ‘struct dev_pm_info’ has no member named ‘runtime_error’
if (dev->power.runtime_error)
../drivers/base/power/domain.c:2756:21: error: ‘struct dev_pm_info’ has no member named ‘disable_depth’
else if (dev->power.disable_depth)
../drivers/base/power/domain.c:2758:21: error: ‘struct dev_pm_info’ has no member named ‘runtime_status’
else if (dev->power.runtime_status < ARRAY_SIZE(status_lookup))
../drivers/base/power/domain.c:2759:31: error: ‘struct dev_pm_info’ has no member named ‘runtime_status’
p = status_lookup[dev->power.runtime_status];
../drivers/base/power/domain_governor.c: In function ‘default_suspend_ok’:
../drivers/base/power/domain_governor.c:82:17: error: ‘struct dev_pm_info’ has no member named ‘ignore_children’
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Andy Gross <andy.gross@linaro.org>
Cc: David Brown <david.brown@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
The Always On Subsystem (AOSS) Qualcomm Messaging Protocol (QMP) driver
is used to communicate with the AOSS for certain side-channel requests,
that are not available through the RPMh interface.
The communication is a very simple synchronous mechanism of messages
being written in message RAM and a doorbell in the AOSS is rung. As the
AOSS has processed the message length is cleared and an interrupt is
fired by the AOSS as acknowledgment.
The driver exposes the QDSS clock as a clock and the low-power state
associated with the remoteprocs in the system as a set of power-domains.
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
APR communication with DSP is not atomic in nature.
Its request-response type. Trying to pretend that these are atomic
and invoking apr client callbacks directly under atomic/irq context has
endless issues with soundcard. It makes more sense to convert these
to nonatomic calls. This also coverts all the dais to be nonatomic.
All the callbacks are now invoked as part of rx work queue.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Currently there is no way to distinguish if the SoC entered DS0
mode or the RTC only mode. Hence add a print before entering
the RTC only mode.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Auto-enable support for the RZ/A1 Interrupt Controller when configuring
a kernel which supports RZ/A1H or RZ/A2M SoCs.
Keep selects sorted while at it.
This is similar to how interrupt controllers for other Renesas SoCs are
enabled.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
The comment "No QE ever has fewer than 28 SNUMs" is false; e.g. the
MPC8309 has 14. The code path returning -EINVAL is also a recipe for
instant disaster, since the caller (qe_snums_init) uncritically
assigns the return value to the unsigned qe_num_of_snum, and would
thus proceed to attempt to copy 4GB from snum_init_46[] to the snum[]
array.
So fold the handling of the legacy fsl,qe-num-snums into
qe_snums_init, and make sure we do not end up using the snum_init_46
array in cases other than the two where we know it makes sense.
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Qiang Zhao <qiang.zhao@nxp.com>
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Add driver support for the newly introduced fsl,qe-snums property.
Conveniently, of_property_read_variable_u8_array does exactly what we
need: If the property fsl,qe-snums is found (and has an allowed size),
the array of values get copied to snums, and the return value is the
number of snums - we cannot assign directly to num_of_snums, since we
need to check whether the return value is negative.
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Qiang Zhao <qiang.zhao@nxp.com>
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The 'try of_find_compatible_node(NULL, NULL, "fsl,qe"), fall back to
of_find_node_by_type(NULL, "qe")' pattern is repeated five
times. Factor it into a common helper.
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Qiang Zhao <qiang.zhao@nxp.com>
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The current array of struct qe_snum use 256*4 bytes for just keeping
track of the free/used state of each index, and the struct layout
means there's another 768 bytes of padding. If we just unzip that
structure, the array of snum values just use 256 bytes, while the
free/inuse state can be tracked in a 32 byte bitmap.
So this reduces the .data footprint by 1760 bytes. It also serves as
preparation for introducing another DT binding for specifying the snum
values.
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Qiang Zhao <qiang.zhao@nxp.com>
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The local variable snum_init has no reason to have static storage duration.
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Qiang Zhao <qiang.zhao@nxp.com>
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license rev 2 and only
rev 2 as published by the free software foundation this program is
distributed in the hope that it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 2 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190112.583753585@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope that it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details you should have received a copy of the gnu general
public license along with this program if not see http www gnu org
licenses
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 33 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531081038.745679586@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 263 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141901.208660670@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 and
only version 2 as published by the free software foundation this
program is distributed in the hope that it will be useful but
without any warranty without even the implied warranty of
merchantability or fitness for a particular purpose see the gnu
general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 294 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.825281744@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this software is licensed under the terms of the gnu general public
license version 2 as published by the free software foundation and
may be copied distributed and modified under those terms this
program is distributed in the hope that it will be useful but
without any warranty without even the implied warranty of
merchantability or fitness for a particular purpose see the gnu
general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 285 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.642774971@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Recent changes have made it much more probable that clocks are not
available yet when the FUSE driver is first probed. However, that is a
situation that the driver can cope with just fine.
To avoid confusion, don't output an error when this happens.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add some comments to clarify the purpose of the wake event support
implemented in the PMC driver.
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
For interrupts that are not wakeup sources but that may end up getting
mapped through the PMC as interrupt parent (this can happen for GPIOs),
return early in order to avoid a subsequent crash from an out-of-bounds
access to the register region.
Reported-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The code currently doesn't support allocating more than one wake IRQ at
a time. Detect this situation and error out. Also make sure to output a
warning when that happens to help track down callers.
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Current implementation of i.MX8 SoC driver returns -ENODEV
for all cases of error during initialization, this is incorrect.
This patch fixes them using correct return value according
to different errors.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
of_node_put() is called after of_match_node() successfully called,
then in the following error handling, of_node_put() is called again
which is unnecessary, this patch adjusts the location of of_node_put()
to avoid such scenario.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add i.MX SCU SoC info driver to support i.MX8QXP SoC, introduce
driver dependency into Kconfig as CONFIG_IMX_SCU must be
selected to support i.MX SCU SoC driver, also need to use
platform driver model to make sure IMX_SCU driver is probed
before i.MX SCU SoC driver.
With this patch, SoC info can be read from sysfs:
i.mx8qxp-mek# cat /sys/devices/soc0/family
Freescale i.MX
i.mx8qxp-mek# cat /sys/devices/soc0/soc_id
0x2
i.mx8qxp-mek# cat /sys/devices/soc0/machine
Freescale i.MX8QXP MEK
i.mx8qxp-mek# cat /sys/devices/soc0/revision
1.1
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of version 2 of the gnu general public license as
published by the free software foundation
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 1 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528171438.709316650@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of version 2 of the gnu general public license as
published by the free software foundation
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 107 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528171438.615055994@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details you should have received a copy of the gnu general
public license along with this program if not see http www gnu org
licenses
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 228 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528171438.107155473@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
license terms gnu general public license gpl version 2
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 161 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170027.447718015@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation this program is
distributed in the hope that it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 655 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 3029 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add the shared cx/mx and sensor sub-system's cx and mx
power-domains found on MSM8998.
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <agross@kernel.org>
Add the shared cx/mx and the low-power-island's cx and mx power-domains
found on QCS404.
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[sibi: Fixup corner/vfc with vlfl/vfl]
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <agross@kernel.org>
QCS404 uses individual resource type magic for each power-domain, so
adjust the macros slightly to make them reusable for this.
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[sibi: Extend rpmpd corner pair to a generic rpmpd pair]
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <agross@kernel.org>
rpmpd max state varies across SoCs and SoC families, add support
in the driver to make it SoC/SoC family specific
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <agross@kernel.org>
Remoteproc q6v5-mss calls set_performance_state with INT_MAX on
rpmpd. This is currently ignored since it is greater than the
max supported state. Fixup rpmpd state to max if the required
state is greater than all the supported states.
Fixes: 075d3db8d1 ("soc: qcom: rpmpd: Add support for get/set performance state")
Reviewed-by: Marc Gonzalez <marc.w.gonzalez@free.fr>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <agross@kernel.org>
There is a spelling mistake in a pr_err message. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The __dma_request_channel() prototype has been changed to help to do
device node validation, thus we can use dma_request_channel() instead
of __dma_request_channel() to keep kernel bisectable.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The canvas IP on Meson8, Meson8b and Meson8m2 is mostly identical to the
one on GXBB and newer. The only known difference so far is that that the
"endianness" bits are not supported on Meson8m2 and earlier.
Add new compatible strings and a check in meson_canvas_config() to
validate that the endianness bits cannot be configured on the 32-bit
SoCs.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Maxime Jourdan <mjourdan@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a couple of new APIs to check the probing status of the required
cpu bound qman and bman portals:
'int bman_portals_probed()' and 'int qman_portals_probed()'.
They return the following values.
* 1 if qman/bman portals were all probed correctly
* 0 if qman/bman portals were not yet probed
* -1 if probing of qman/bman portals failed
Portals are considered successful probed if no error occurred during
the probing of any of the portals and if enough portals were probed
to have one available for each cpu.
The error handling paths were slightly rearranged in order to fit this
new functionality without being too intrusive.
Drivers that use qman/bman portal driver services are required to use
these APIs before calling any functions exported by these drivers or
otherwise they will crash the kernel.
First user will be the dpaa1 ethernet driver, coming in a subsequent
patch.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
ARM SoCs use SMMU so the liodn fixup done in the qman driver is no
longer making sense and it also breaks the ICID settings inherited
from u-boot. Do the fixups only for PPC targets.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
NXP devices with QBMan version 5 and above can enable software
portals that are memory backed. This allows the portal to be
mapped as cacheable/sharable (same as all normal memory) so
that portals can freely migrate between cores and clusters
in the SoC. The driver will enable this mode by default when
appropriate HW support is detected.
Signed-off-by: Youri Querry <youri.querry_1@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The timeout for QBMan Management Commands can falsely trigger on a
busy system. This patch doubles the timeout to avoid the
false error reports
Signed-off-by: Youri Querry <youri.querry_1@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This patch adds DPAA2 MC and AIOP console log support.
The platform driver probes on the "fsl,dpaa2-console" device tree node
which describes the base firmware address needed in order to infer the
start address of both firmware logs: MC and AIOP.
It then exports two misc char devices which can be used to dump
the needed logs.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Adding compatible string "lx2160a-dcfg" to
initialize guts driver for lx2160 and SoC die
attribute definition for LX2160A
Signed-off-by: Vabhav Sharma <vabhav.sharma@nxp.com>
Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
The BIUCTRL register writes require that a data barrier be inserted
after comitting the write to the register for the block to latch in the
recently written values. Reads have no such requirement and are not
changed.
Fixes: 34642650e5 ("soc: Move brcmstb to bcm/brcmstb")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
In case setup_hifcpubiuctrl_regs() returns an error, because of e.g:
an unsupported CPU type, just catch that error and return instead of
blindly continuing with the initialization. This fixes a NULL pointer
de-reference with the code continuing without having a proper array of
registers to use.
Fixes: 22f7a9116e ("soc: brcmstb: Correct CPU_CREDIT_REG offset for Brahma-B53 CPUs")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Like on imx6/7 we can read version information from a register in
anatop, and in the same format.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Right now in upstream imx8m cpufreq support just lists a common subset
of OPPs because the higher ones should only be attempted after checking
speed grading in fuses.
Add a small driver which checks speed grading from nvmem cells before
registering cpufreq-dt.
This driver allows unlocking all frequencies for imx8mm and imx8mq and
could be applied to other chips like imx7d
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Pull IRQ chip updates from Ingo Molnar:
"A late irqchips update:
- New TI INTR/INTA set of drivers
- Rewrite of the stm32mp1-exti driver as a platform driver
- Update the IOMMU MSI mapping API to be RT friendly
- A number of cleanups and other low impact fixes"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits)
iommu/dma-iommu: Remove iommu_dma_map_msi_msg()
irqchip/gic-v3-mbi: Don't map the MSI page in mbi_compose_m{b, s}i_msg()
irqchip/ls-scfg-msi: Don't map the MSI page in ls_scfg_msi_compose_msg()
irqchip/gic-v3-its: Don't map the MSI page in its_irq_compose_msi_msg()
irqchip/gicv2m: Don't map the MSI page in gicv2m_compose_msi_msg()
iommu/dma-iommu: Split iommu_dma_map_msi_msg() in two parts
genirq/msi: Add a new field in msi_desc to store an IOMMU cookie
arm64: arch_k3: Enable interrupt controller drivers
irqchip/ti-sci-inta: Add msi domain support
soc: ti: Add MSI domain bus support for Interrupt Aggregator
irqchip/ti-sci-inta: Add support for Interrupt Aggregator driver
dt-bindings: irqchip: Introduce TISCI Interrupt Aggregator bindings
irqchip/ti-sci-intr: Add support for Interrupt Router driver
dt-bindings: irqchip: Introduce TISCI Interrupt router bindings
gpio: thunderx: Use the default parent apis for {request,release}_resources
genirq: Introduce irq_chip_{request,release}_resource_parent() apis
firmware: ti_sci: Add helper apis to manage resources
firmware: ti_sci: Add RM mapping table for am654
firmware: ti_sci: Add support for IRQ management
firmware: ti_sci: Add support for RM core ops
...
NXP/FSL soc driver fixes for v5.1
QE drivers
- Fix an error path in qe_pin_request()
* tag 'soc-fsl-fix-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
soc/fsl/qe: Fix an error code in qe_pin_request()
Signed-off-by: Olof Johansson <olof@lixom.net>
Various driver updates for platforms and a couple of the small driver
subsystems we merge through our tree:
Among the larger pieces:
- Power management improvements for TI am335x and am437x (RTC suspend/wake)
- Misc new additions for Amlogic (socinfo updates)
- ZynqMP FPGA manager
- Nvidia improvements for reset/powergate handling
- PMIC wrapper for Mediatek MT8516
- Misc fixes/improvements for ARM SCMI, TEE, NXP i.MX SCU drivers
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC-related driver updates from Olof Johansson:
"Various driver updates for platforms and a couple of the small driver
subsystems we merge through our tree:
Among the larger pieces:
- Power management improvements for TI am335x and am437x (RTC
suspend/wake)
- Misc new additions for Amlogic (socinfo updates)
- ZynqMP FPGA manager
- Nvidia improvements for reset/powergate handling
- PMIC wrapper for Mediatek MT8516
- Misc fixes/improvements for ARM SCMI, TEE, NXP i.MX SCU drivers"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (57 commits)
soc: aspeed: fix Kconfig
soc: add aspeed folder and misc drivers
spi: zynqmp: Fix build break
soc: imx: Add generic i.MX8 SoC driver
MAINTAINERS: Update email for Qualcomm SoC maintainer
memory: tegra: Fix a typos for "fdcdwr2" mc client
Revert "ARM: tegra: Restore memory arbitration on resume from LP1 on Tegra30+"
memory: tegra: Replace readl-writel with mc_readl-mc_writel
memory: tegra: Fix integer overflow on tick value calculation
memory: tegra: Fix missed registers values latching
ARM: tegra: cpuidle: Handle tick broadcasting within cpuidle core on Tegra20/30
optee: allow to work without static shared memory
soc/tegra: pmc: Move powergate initialisation to probe
soc/tegra: pmc: Remove reset sysfs entries on error
soc/tegra: pmc: Fix reset sources and levels
soc: amlogic: meson-gx-pwrc-vpu: Add support for G12A
soc: amlogic: meson-gx-pwrc-vpu: Fix power on/off register bitmask
fpga manager: Adding FPGA Manager support for Xilinx zynqmp
dt-bindings: fpga: Add bindings for ZynqMP fpga driver
firmware: xilinx: Add fpga API's
...
SoC updates, mostly refactorings and cleanups of old legacy platforms.
Major themes this release:
- Conversion of ixp4xx to a modern platform (drivers, DT, bindings)
- Moving some of the ep93xx headers around to get it closer to multiplatform enabled.
- Cleanups of Davinci
This tag also contains a few patches that were queued up as fixes before
5.1 but I didn't get sent in before release.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Olof Johansson:
"SoC updates, mostly refactorings and cleanups of old legacy platforms.
Major themes this release:
- Conversion of ixp4xx to a modern platform (drivers, DT, bindings)
- Moving some of the ep93xx headers around to get it closer to
multiplatform enabled.
- Cleanups of Davinci
This also contains a few patches that were queued up as fixes before
5.1 but I didn't get sent in before release"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (123 commits)
ARM: debug-ll: add default address for digicolor
ARM: u300: regulator: add MODULE_LICENSE()
ARM: ep93xx: move private headers out of mach/*
ARM: ep93xx: move pinctrl interfaces into include/linux/soc
ARM: ep93xx: keypad: stop using mach/platform.h
ARM: ep93xx: move network platform data to separate header
ARM: stm32: add AMBA support for stm32 family
MAINTAINERS: update arch/arm/mach-davinci
ARM: rockchip: add missing of_node_put in rockchip_smp_prepare_pmu
ARM: dts: Add queue manager and NPE to the IXP4xx DTSI
soc: ixp4xx: qmgr: Add DT probe code
soc: ixp4xx: qmgr: Add DT bindings for IXP4xx qmgr
soc: ixp4xx: npe: Add DT probe code
soc: ixp4xx: Add DT bindings for IXP4xx NPE
soc: ixp4xx: qmgr: Pass resources
soc: ixp4xx: Remove unused functions
soc: ixp4xx: Uninline several functions
soc: ixp4xx: npe: Pass addresses as resources
ARM: ixp4xx: Turn the QMGR into a platform device
ARM: ixp4xx: Turn the NPE into a platform device
...
- Fix recent regression causing kernels built with CONFIG_PM
unset to crash on systems that support the Performance and
Energy Bias Hint (EPB) by avoiding to compile the EPB-related
code depending on CONFIG_PM when it is unset (Rafael Wysocki).
- Clean up the transition notifier invocation code in the cpufreq
core and change some users of cpufreq transition notifiers
accordingly (Viresh Kumar).
- Change MAINTAINERS to cover the schedutil governor as part of
cpufreq (Viresh Kumar).
- Simplify cpufreq_init_policy() to avoid redundant computations
(Yue Hu).
- Add explanatory comment to the cpufreq core (Rafael Wysocki).
- Introduce a new flag, GENPD_FLAG_RPM_ALWAYS_ON, to the generic
power domains (genpd) framework along with the first user of it
(Leonard Crestez).
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Merge tag 'pm-5.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These fix a recent regression causing kernels built with CONFIG_PM
unset to crash on systems that support the Performance and Energy Bias
Hint (EPB), clean up the cpufreq core and some users of transition
notifiers and introduce a new power domain flag into the generic power
domains framework (genpd).
Specifics:
- Fix recent regression causing kernels built with CONFIG_PM unset to
crash on systems that support the Performance and Energy Bias Hint
(EPB) by avoiding to compile the EPB-related code depending on
CONFIG_PM when it is unset (Rafael Wysocki).
- Clean up the transition notifier invocation code in the cpufreq
core and change some users of cpufreq transition notifiers
accordingly (Viresh Kumar).
- Change MAINTAINERS to cover the schedutil governor as part of
cpufreq (Viresh Kumar).
- Simplify cpufreq_init_policy() to avoid redundant computations (Yue
Hu).
- Add explanatory comment to the cpufreq core (Rafael Wysocki).
- Introduce a new flag, GENPD_FLAG_RPM_ALWAYS_ON, to the generic
power domains (genpd) framework along with the first user of it
(Leonard Crestez)"
* tag 'pm-5.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
soc: imx: gpc: Use GENPD_FLAG_RPM_ALWAYS_ON for ERR009619
PM / Domains: Add GENPD_FLAG_RPM_ALWAYS_ON flag
cpufreq: Update MAINTAINERS to include schedutil governor
cpufreq: Don't find governor for setpolicy drivers in cpufreq_init_policy()
cpufreq: Explain the kobject_put() in cpufreq_policy_alloc()
cpufreq: Call transition notifier only once for each policy
x86: intel_epb: Take CONFIG_PM into account
This allows PU domain to be turned off in suspend and save power.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
With the system coprocessor managing the range allocation of the
inputs to Interrupt Aggregator, it is difficult to represent
the device IRQs from DT.
The suggestion is to use MSI in such cases where devices wants
to allocate and group interrupts dynamically.
Create a MSI domain bus layer that allocates and frees MSIs for
a device.
APIs that are implemented:
- ti_sci_inta_msi_create_irq_domain() that creates a MSI domain
- ti_sci_inta_msi_domain_alloc_irqs() that creates MSIs for the
specified device and resource.
- ti_sci_inta_msi_domain_free_irqs() frees the irqs attached to the device.
- ti_sci_inta_msi_get_virq() for getting the virq attached to a specific event.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
When enabling ARCH_SUNXI from allnoconfig, SUNXI_SRAM is enabled, but
not REGMAP_MMIO, so the kernel fails to link with an undefined reference
to __devm_regmap_init_mmio_clk. Select REGMAP_MMIO, as suggested in
drivers/base/regmap/Kconfig.
This creates the following dependency loop:
drivers/of/Kconfig:68: symbol OF_IRQ depends on IRQ_DOMAIN
kernel/irq/Kconfig:63: symbol IRQ_DOMAIN is selected by REGMAP
drivers/base/regmap/Kconfig:7: symbol REGMAP default is visible depending on REGMAP_MMIO
drivers/base/regmap/Kconfig:39: symbol REGMAP_MMIO is selected by SUNXI_SRAM
drivers/soc/sunxi/Kconfig:4: symbol SUNXI_SRAM is selected by USB_MUSB_SUNXI
drivers/usb/musb/Kconfig:63: symbol USB_MUSB_SUNXI depends on GENERIC_PHY
drivers/phy/Kconfig:7: symbol GENERIC_PHY is selected by PHY_BCM_NS_USB3
drivers/phy/broadcom/Kconfig:29: symbol PHY_BCM_NS_USB3 depends on MDIO_BUS
drivers/net/phy/Kconfig:12: symbol MDIO_BUS default is visible depending on PHYLIB
drivers/net/phy/Kconfig:181: symbol PHYLIB is selected by ARC_EMAC_CORE
drivers/net/ethernet/arc/Kconfig:18: symbol ARC_EMAC_CORE is selected by ARC_EMAC
drivers/net/ethernet/arc/Kconfig:24: symbol ARC_EMAC depends on OF_IRQ
To fix the circular dependency, make USB_MUSB_SUNXI select GENERIC_PHY
instead of depending on it. This matches the use of GENERIC_PHY by all
but two other drivers.
Cc: <stable@vger.kernel.org> # 4.19
Fixes: 5828729beb ("soc: sunxi: export a regmap for EMAC clock reg on A64")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes build break:
scripts/kconfig/conf --allnoconfig Kconfig
drivers/soc/Kconfig:24: 'menu' in different file than 'menu'
drivers/soc/aspeed/Kconfig:1: location of the 'menu'
drivers/Kconfig:233: 'menu' in different file than 'menu'
drivers/soc/aspeed/Kconfig:1: location of the 'menu'
<none>:34: syntax error
Signed-off-by: Patrick Venture <venture@google.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge tag 'v5.2-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/drivers
Select correct pwm solution by default.
* tag 'v5.2-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
soc: rockchip: Set the proper PWM for rk3288
Signed-off-by: Olof Johansson <olof@lixom.net>
* Update MAINTAINERS for Andy Gross's new email address
* Add support for mmap in RMTFS
* Fixup for QMI to change txn wait to non-interruptible
* Fixup for error code in probe of cmd-db
* Fixup for slot number check in RMPH-RSC
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Merge tag 'qcom-drivers-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into arm/drivers
Qualcomm ARM Based Driver Updates for v5.2
* Update MAINTAINERS for Andy Gross's new email address
* Add support for mmap in RMTFS
* Fixup for QMI to change txn wait to non-interruptible
* Fixup for error code in probe of cmd-db
* Fixup for slot number check in RMPH-RSC
* tag 'qcom-drivers-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
MAINTAINERS: Update email for Qualcomm SoC maintainer
drivers: soc: qcom: rpmh-rsc: Correct check for slot number
soc: qcom: cmd-db: Fix an error code in cmd_db_dev_probe()
soc: qcom: qmi: Change txn wait to non-interruptible
soc: qcom: rmtfs: Add support for mmap functionality
Signed-off-by: Olof Johansson <olof@lixom.net>
Create a SoC folder for the ASPEED parts and place the misc drivers
currently present into this folder. These drivers are not generic part
drivers, but rather only apply to the ASPEED SoCs.
Signed-off-by: Patrick Venture <venture@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
- A series from Aisheng to generalize the SCU powerdomain driver
for easier adding new SCU based platforms like imx8qm.
- Add a generic i.MX8 SoC driver for reporting SoC and platform
information.
- Replace explicit polling loop with a call to regmap_read_poll_timeout()
for gpcv2 driver to avoid code repetition.
- Use devm_platform_ioremap_resource() to simplify gpc/gpcv2 driver
code a bit.
- Add general IRQ support for imx-scu driver, so that interrupt of
device like RTC, thermal and watchdog can be handled.
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Merge tag 'imx-drivers-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/drivers
i.MX drivers change for 5.2:
- A series from Aisheng to generalize the SCU powerdomain driver
for easier adding new SCU based platforms like imx8qm.
- Add a generic i.MX8 SoC driver for reporting SoC and platform
information.
- Replace explicit polling loop with a call to regmap_read_poll_timeout()
for gpcv2 driver to avoid code repetition.
- Use devm_platform_ioremap_resource() to simplify gpc/gpcv2 driver
code a bit.
- Add general IRQ support for imx-scu driver, so that interrupt of
device like RTC, thermal and watchdog can be handled.
* tag 'imx-drivers-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: Add generic i.MX8 SoC driver
firmware: imx: enable imx scu general irq function
soc: imx: gpcv2: use devm_platform_ioremap_resource() to simplify code
soc: imx: gpc: use devm_platform_ioremap_resource() to simplify code
firmware: imx: scu-pd: decouple the SS information from domain names
firmware: imx: scu-pd: add specifying the base of domain name index support
firmware: imx: scu-pd: use bool to set postfix
soc: imx: gpcv2: Make use of regmap_read_poll_timeout()
Signed-off-by: Olof Johansson <olof@lixom.net>
Support. We migrate to MULTI_IRQ_HANDLER, bumps the IRQs to
offset 16, converts to SPARSE_IRQ, then we add proper subsystem
drivers in each subsystem for irqchip, GPIO and clocksource and
switch over to using these new drivers.
Next we modernize the NPE and QMGR drivers and push them down
into drivers/soc.
This has been tested on the IXP4xx NSLU2 and the Gateworks
GW2358-4.
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Merge tag 'ixp4xx-for-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into arm/soc
This modernizes the IXP4xx platform and adds initial Device Tree
Support. We migrate to MULTI_IRQ_HANDLER, bumps the IRQs to
offset 16, converts to SPARSE_IRQ, then we add proper subsystem
drivers in each subsystem for irqchip, GPIO and clocksource and
switch over to using these new drivers.
Next we modernize the NPE and QMGR drivers and push them down
into drivers/soc.
This has been tested on the IXP4xx NSLU2 and the Gateworks
GW2358-4.
* tag 'ixp4xx-for-armsoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik: (31 commits)
ARM: dts: Add queue manager and NPE to the IXP4xx DTSI
soc: ixp4xx: qmgr: Add DT probe code
soc: ixp4xx: qmgr: Add DT bindings for IXP4xx qmgr
soc: ixp4xx: npe: Add DT probe code
soc: ixp4xx: Add DT bindings for IXP4xx NPE
soc: ixp4xx: qmgr: Pass resources
soc: ixp4xx: Remove unused functions
soc: ixp4xx: Uninline several functions
soc: ixp4xx: npe: Pass addresses as resources
ARM: ixp4xx: Turn the QMGR into a platform device
ARM: ixp4xx: Turn the NPE into a platform device
ARM: ixp4xx: Move IXP4xx QMGR and NPE headers
ARM: ixp4xx: Move NPE and QMGR to drivers/soc
ARM: dts: Add some initial IXP4xx device trees
ARM: ixp4xx: Add device tree boot support
ARM: ixp4xx: Add DT bindings
gpio: ixp4xx: Add OF probing support
gpio: ixp4xx: Add DT bindings
clocksource/drivers/ixp4xx: Add OF initialization support
clocksource/drivers/ixp4xx: Add DT bindings
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Besides a couple of fixes to better cope with deferred probing, this set
of patches also implements the acquire/release protocol for resets used
during powergate operations. This is necessary to allow these resets to
be temporarily shared with other devices that may also need to control
these resets.
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Merge tag 'tegra-for-5.2-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
soc/tegra: Changes for v5.2-rc1
Besides a couple of fixes to better cope with deferred probing, this set
of patches also implements the acquire/release protocol for resets used
during powergate operations. This is necessary to allow these resets to
be temporarily shared with other devices that may also need to control
these resets.
* tag 'tegra-for-5.2-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Move powergate initialisation to probe
soc/tegra: pmc: Remove reset sysfs entries on error
soc/tegra: pmc: Fix reset sources and levels
soc/tegra: pmc: Implement acquire/release for resets
reset: Add acquire/release support for arrays
reset: Add acquired flag to of_reset_control_array_get()
reset: add acquired/released state for exclusive reset controls
Signed-off-by: Olof Johansson <olof@lixom.net>
- Add support for ZynqMP fpga manager
- Defer some probes which depends on firmware driver to be ready
- Debugfs fix
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Merge tag 'zynqmp-soc-for-v5.2' of https://github.com/Xilinx/linux-xlnx into arm/drivers
arm64: zynqmp: SoC changes for v5.2
- Add support for ZynqMP fpga manager
- Defer some probes which depends on firmware driver to be ready
- Debugfs fix
* tag 'zynqmp-soc-for-v5.2' of https://github.com/Xilinx/linux-xlnx:
fpga manager: Adding FPGA Manager support for Xilinx zynqmp
dt-bindings: fpga: Add bindings for ZynqMP fpga driver
firmware: xilinx: Add fpga API's
drivers: Defer probe if firmware is not ready
firmware: xilinx: fix debugfs write handler
Signed-off-by: Olof Johansson <olof@lixom.net>
This series adds support for am437x RTC-only mode in suspend. In the
RTC-only mode suspend, everything is shut down except the RTC. This
makes the power consumption very low for suspend mode.
To support RTC-only mode, we need to export omap_rtc_power_off_program()
from the rtc driver and improve PM code to save and restore the wkup
domain context. As RTC-only mode depends on the device being wired
properly for things like memory, we need to also check for the machine
type before we allow it. We also need to run DDR3 hardware leveling on
resume.
Note that there is a trivial merge conflict between the RTC branch
and these changes where the RTC branch makes tm2bcd() a void function
and the error handling parts can be just dropped.
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Merge tag 'omap-for-v5.2/am4-pm-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/drivers
PM changes for am335x and am437x
This series adds support for am437x RTC-only mode in suspend. In the
RTC-only mode suspend, everything is shut down except the RTC. This
makes the power consumption very low for suspend mode.
To support RTC-only mode, we need to export omap_rtc_power_off_program()
from the rtc driver and improve PM code to save and restore the wkup
domain context. As RTC-only mode depends on the device being wired
properly for things like memory, we need to also check for the machine
type before we allow it. We also need to run DDR3 hardware leveling on
resume.
Note that there is a trivial merge conflict between the RTC branch
and these changes where the RTC branch makes tm2bcd() a void function
and the error handling parts can be just dropped.
* tag 'omap-for-v5.2/am4-pm-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: sleep43xx: Run EMIF HW leveling on resume path
memory: ti-emif-sram: Add ti_emif_run_hw_leveling for DDR3 hardware leveling
soc: ti: pm33xx: AM437X: Add rtc_only with ddr in self-refresh support
soc: ti: pm33xx: Move the am33xx_push_sram_idle to the top
ARM: OMAP2+: pm33xx: Add support for rtc+ddr in self refresh mode
rtc: OMAP: Add support for rtc-only mode
Signed-off-by: Olof Johansson <olof@lixom.net>
- socinfo: support new SoCs / packages
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Merge tag 'amlogic-drivers' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/drivers
soc: Amlogic updates for v5.2
- socinfo: support new SoCs / packages
* tag 'amlogic-drivers' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
meson-gx-socinfo: add missing of_node_put after of_device_is_available
soc: amlogic: gx-socinfo: Add new SoC IDs and Packages IDs
soc: amlogic: gx-socinfo: Add mask for each SoC packages
Signed-off-by: Olof Johansson <olof@lixom.net>
This makes the queue manager driver able to probe from the device
tree. It only needs to get a memory resource and two interrupts
and the platform device provides these as resources, so all is
pretty simple.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This makes the NPE driver able to probe from the device tree.
It only needs to get three memory resources and the plaform
device provide these, so all is pretty simple.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Instead of using hardcoded base address implicitly
obtained through <linux/io.h>, pass the physical base
for the QMGR block as a memory resource and remap
it in the driver.
Also pass the two IRQs as resources and obtain them
in the driver.
Use devm_* accessors and simplify the error path in the
process. Drop memory region request as this is done by
the devm_ioremap* functions.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These former inlines turn out to be unused in the kernel.
If they are needed in the future, they can be resurrected
by reverting or studying this commit.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These inline functions immediately exploit the static ioremaps
for the queue manager memory region. This does not work with
multiplatform where everything need to be dynamically remapped,
so get rid of these inlines and create new exports for those
used by other drivers.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Instead of using hardcoded base addresses implicitly
obtained through <linux/io.h>, pass the physical base
for the three NPE blocks as memory resources and remap
these in the driver.
Drop the memory request region business, this will
anyways be done by devm_* remapping functions.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Instead of registering everything related to the QMGR
unconditionally in the module_init() call (which will
never work with multiplatform) create a platform device
and probe the QMGR like any other device.
Put the device second in the list of devices added for
the platform so it is there when the dependent network
and crypto drivers probe later on.
This probe() path will not be taken unconditionally on
device tree boots, so remove the DT guard.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Instead of registering everything related to the NPE
unconditionally in the module_init() call (which will
never work with multiplatform) create a platform device
and probe the NPE like any other device.
Put the device first in the list of devices added for
the platform so it is there when the dependent network
and crypto drivers probe later on.
This probe() path will not be taken unconditionally on
device tree boots, so remove the DT guard.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This moves the IXP4xx Queue Manager and Network Processing
Engine headers out of the <mack/*> include path as that is
incompatible with multiplatform.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Network Processing Engine and Queue Manager are
versatile firmware components used by several IXP4xx
drivers.
Drivers are relying on getting access to these components
using <mach/*> headers which does not work with
multiplatform. We need to find a better place for the
drivers to live.
Let's first move them to drivers/soc and the start to
refactor a bit by passing resources and moving headers.
This patch introduce static IRQ assignments but that
will be fixed by later patches in this series.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add generic i.MX8 SoC driver along with the i.MX8MQ SoC specific code.
For now, only i.MX8MQ revision B1 is supported. For any other, i.MX8MQ
revision it will print 'unknown'.
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Linus Torvalds