The check for duplicate processor ids happens at boot time based on the
ACPI table contents, but the final sanity checks for a processor happen
at hotplug time.
At hotplug time, where the physical information is available, which might
differ from the ACPI table information, a check for duplicate processor
ids is missing.
Add it to the hotplug checks and rename the function so it better
reflects its purpose.
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Tested-by: Xiaolong Ye <xiaolong.ye@intel.com>
Cc: rjw@rjwysocki.net
Cc: linux-acpi@vger.kernel.org
Cc: guzheng1@huawei.com
Cc: izumi.taku@jp.fujitsu.com
Cc: lenb@kernel.org
Link: http://lkml.kernel.org/r/1488528147-2279-6-git-send-email-douly.fnst@cn.fujitsu.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Revert: dc6db24d24 ("x86/acpi: Set persistent cpuid <-> nodeid mapping when booting")
The mapping of "cpuid <-> nodeid" is established at boot time via ACPI
tables to keep associations of workqueues and other node related items
consistent across cpu hotplug.
But, ACPI tables are unreliable and failures with that boot time mapping
have been reported on machines where the ACPI table and the physical
information which is retrieved at actual hotplug is inconsistent.
Revert the mapping implementation so it can be replaced with a less error
prone approach.
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Tested-by: Xiaolong Ye <xiaolong.ye@intel.com>
Cc: rjw@rjwysocki.net
Cc: linux-acpi@vger.kernel.org
Cc: guzheng1@huawei.com
Cc: izumi.taku@jp.fujitsu.com
Cc: lenb@kernel.org
Link: http://lkml.kernel.org/r/1488528147-2279-2-git-send-email-douly.fnst@cn.fujitsu.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Pull x86 fixes from Ingo Molnar:
"Misc fixes and minor updates all over the place:
- an SGI/UV fix
- a defconfig update
- a build warning fix
- move the boot_params file to the arch location in debugfs
- a pkeys fix
- selftests fix
- boot message fixes
- sparse fixes
- a resume warning fix
- ioapic hotplug fixes
- reboot quirks
... plus various minor cleanups"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/build/x86_64_defconfig: Enable CONFIG_R8169
x86/reboot/quirks: Add ASUS EeeBook X205TA/W reboot quirk
x86/hpet: Prevent might sleep splat on resume
x86/boot: Correct setup_header.start_sys name
x86/purgatory: Fix sparse warning, symbol not declared
x86/purgatory: Make functions and variables static
x86/events: Remove last remnants of old filenames
x86/pkeys: Check against max pkey to avoid overflows
x86/ioapic: Split IOAPIC hot-removal into two steps
x86/PCI: Implement pcibios_release_device to release IRQ from IOAPIC
x86/intel_rdt: Remove duplicate inclusion of linux/cpu.h
x86/vmware: Remove duplicate inclusion of asm/timer.h
x86/hyperv: Hide unused label
x86/reboot/quirks: Add ASUS EeeBook X205TA reboot quirk
x86/platform/uv/BAU: Fix HUB errors by remove initial write to sw-ack register
x86/selftests: Add clobbers for int80 on x86_64
x86/apic: Simplify enable_IR_x2apic(), remove try_to_enable_IR()
x86/apic: Fix a warning message in logical CPU IDs allocation
x86/kdebugfs: Move boot params hierarchy under (debugfs)/x86/
Pull libnvdimm fixes from Dan Williams:
"A fix and regression test case for nvdimm namespace label
compatibility.
Details:
- An "nvdimm namespace label" is metadata on an nvdimm that
provisions dimm capacity into a "namespace" that can host a block
device / dax-filesytem, or a device-dax character device.
A namespace is an object that other operating environment and
platform firmware needs to comprehend for capabilities like booting
from an nvdimm.
The label metadata contains a checksum that Linux was not
calculating correctly leading to other environments rejecting the
Linux label.
These have received a build success notification from the kbuild
robot, and a positive test result from Nick who reported the problem"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nfit, libnvdimm: fix interleave set cookie calculation
tools/testing/nvdimm: make iset cookie predictable
Pull sched.h split-up from Ingo Molnar:
"The point of these changes is to significantly reduce the
<linux/sched.h> header footprint, to speed up the kernel build and to
have a cleaner header structure.
After these changes the new <linux/sched.h>'s typical preprocessed
size goes down from a previous ~0.68 MB (~22K lines) to ~0.45 MB (~15K
lines), which is around 40% faster to build on typical configs.
Not much changed from the last version (-v2) posted three weeks ago: I
eliminated quirks, backmerged fixes plus I rebased it to an upstream
SHA1 from yesterday that includes most changes queued up in -next plus
all sched.h changes that were pending from Andrew.
I've re-tested the series both on x86 and on cross-arch defconfigs,
and did a bisectability test at a number of random points.
I tried to test as many build configurations as possible, but some
build breakage is probably still left - but it should be mostly
limited to architectures that have no cross-compiler binaries
available on kernel.org, and non-default configurations"
* 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (146 commits)
sched/headers: Clean up <linux/sched.h>
sched/headers: Remove #ifdefs from <linux/sched.h>
sched/headers: Remove the <linux/topology.h> include from <linux/sched.h>
sched/headers, hrtimer: Remove the <linux/wait.h> include from <linux/hrtimer.h>
sched/headers, x86/apic: Remove the <linux/pm.h> header inclusion from <asm/apic.h>
sched/headers, timers: Remove the <linux/sysctl.h> include from <linux/timer.h>
sched/headers: Remove <linux/magic.h> from <linux/sched/task_stack.h>
sched/headers: Remove <linux/sched.h> from <linux/sched/init.h>
sched/core: Remove unused prefetch_stack()
sched/headers: Remove <linux/rculist.h> from <linux/sched.h>
sched/headers: Remove the 'init_pid_ns' prototype from <linux/sched.h>
sched/headers: Remove <linux/signal.h> from <linux/sched.h>
sched/headers: Remove <linux/rwsem.h> from <linux/sched.h>
sched/headers: Remove the runqueue_is_locked() prototype
sched/headers: Remove <linux/sched.h> from <linux/sched/hotplug.h>
sched/headers: Remove <linux/sched.h> from <linux/sched/debug.h>
sched/headers: Remove <linux/sched.h> from <linux/sched/nohz.h>
sched/headers: Remove <linux/sched.h> from <linux/sched/stat.h>
sched/headers: Remove the <linux/gfp.h> include from <linux/sched.h>
sched/headers: Remove <linux/rtmutex.h> from <linux/sched.h>
...
This fixes an apparent, but actually artificial, resource conflict
between the ACPI NVS memory region and the ACPI BERT (Boot Error
Record Table) address range (Huang Ying).
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Merge tag 'acpi-extra-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"This fixes an apparent, but actually artificial, resource conflict
between the ACPI NVS memory region and the ACPI BERT (Boot Error
Record Table) address range (Huang Ying)"
* tag 'acpi-extra-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: APEI: Fix BERT resources conflict with ACPI NVS area
We are going to move scheduler ABI details to <uapi/linux/sched/types.h>,
which will be used from a number of .c files.
Create empty placeholder header that maps to <linux/types.h>.
Include the new header in the files that are going to need it.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
We are going to split <linux/sched/clock.h> out of <linux/sched.h>, which
will have to be picked up from other headers and .c files.
Create a trivial placeholder <linux/sched/clock.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.
Include the new header in the files that are going to need it.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This set contains mostly fixes to existing drivers as well as cleanup of
code that's not been in active use for a while.
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Merge tag 'pwm/for-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This set contains mostly fixes to existing drivers as well as cleanup
of code that's not been in active use for a while"
* tag 'pwm/for-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (27 commits)
acpi: lpss: call pwm_add_table() for BSW PWM device
pwm: Try to load modules during pwm_get()
pwm: Don't hold pwm_lookup_lock longer than necessary
pwm: Make the PWM_POLARITY flag in DTB optional
pwm: Print error messages with pr_err() instead of pr_debug()
pwm: imx: Add polarity inversion support to i.MX's PWMv2
pwm: imx: doc: Update imx-pwm.txt documentation entry
pwm: imx: Remove redundant i.MX PWMv2 code
pwm: imx: Provide atomic PWM support for i.MX PWMv2
pwm: imx: Move PWMv2 wait for fifo slot code to a separate function
pwm: imx: Move PWMv2 software reset code to a separate function
pwm: imx: Rewrite v1 code to facilitate switch to atomic PWM
pwm: imx: Add separate set of PWM ops for v1 and v2
pwm: imx: Remove ipg clock and enable per clock when required
pwm: lpss: Add Intel Gemini Lake PCI ID
pwm: lpss: Do not export board infos for different PWM types
pwm: lpss: Avoid reconfiguring while UPDATE bit is still enabled
pwm: lpss: Switch to new atomic API
pwm: lpss: Allow duty cycle to be 0
pwm: lpss: Avoid potential overflow of base_unit
...
The hot removal of IOAPIC is handling PCI and ACPI removal in one go. That
only works when the PCI drivers released the interrupt resources, but
breaks when a IOAPIC interrupt is still associated to a PCI device.
The new pcibios_release_device() callback allows to solve that problem by
splitting the removal into two steps:
1) PCI removal:
Release all PCI resources including eventually not yet released IOAPIC
interrupts via the new pcibios_release_device() callback.
2) ACPI removal:
After release of all PCI resources the ACPI resources can be released
without issue.
[ tglx: Rewrote changelog ]
Signed-off-by: Rui Wang <rui.y.wang@intel.com>
Cc: tony.luck@intel.com
Cc: linux-pci@vger.kernel.org
Cc: rjw@rjwysocki.net
Cc: linux-acpi@vger.kernel.org
Cc: fengguang.wu@intel.com
Cc: helgaas@kernel.org
Cc: kbuild-all@01.org
Cc: bhelgaas@google.com
Link: http://lkml.kernel.org/r/1488288869-31290-3-git-send-email-rui.y.wang@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
The interleave-set cookie is a sum that sanity checks the composition of
an interleave set has not changed from when the namespace was initially
created. The checksum is calculated by sorting the DIMMs by their
location in the interleave-set. The comparison for the sort must be
64-bit wide, not byte-by-byte as performed by memcmp() in the broken
case.
Fix the implementation to accept correct cookie values in addition to
the Linux "memcmp" order cookies, but only allow correct cookies to be
generated going forward. It does mean that namespaces created by
third-party-tooling, or created by newer kernels with this fix, will not
validate on older kernels. However, there are a couple mitigating
conditions:
1/ platforms with namespace-label capable NVDIMMs are not widely
available.
2/ interleave-sets with a single-dimm are by definition not affected
(nothing to sort). This covers the QEMU-KVM NVDIMM emulation case.
The cookie stored in the namespace label will be fixed by any write the
namespace label, the most straightforward way to achieve this is to
write to the "alt_name" attribute of a namespace in sysfs.
Cc: <stable@vger.kernel.org>
Fixes: eaf961536e ("libnvdimm, nfit: add interleave-set state-tracking infrastructure")
Reported-by: Nicholas Moulin <nicholas.w.moulin@linux.intel.com>
Tested-by: Nicholas Moulin <nicholas.w.moulin@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
things const, fix typos, etc.
The last patch came in about a week ago, but IMHO it's best to
go in now. It is not for the main driver, it's for the bt-bmc
driver, which runs on the managment controller side, not on
the host side, so the scope is limited and the change is
necessary.
Thanks,
-corey
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Merge tag 'for-linus-4.11' of git://git.code.sf.net/p/openipmi/linux-ipmi
Pull IPMI updates from Corey Minyard:
"This is a few small fixes to the main IPMI driver, make some things
const, fix typos, etc.
The last patch came in about a week ago, but IMHO it's best to go in
now. It is not for the main driver, it's for the bt-bmc driver, which
runs on the managment controller side, not on the host side, so the
scope is limited and the change is necessary"
* tag 'for-linus-4.11' of git://git.code.sf.net/p/openipmi/linux-ipmi:
ipmi: bt-bmc: Use a regmap for register access
char: ipmi: constify ipmi_smi_handlers structures
acpi:ipmi: Make IPMI user handler const
ipmi: make ipmi_usr_hndl const
Documentation: Fix a typo in IPMI.txt.
Fix typos and add the following to the scripts/spelling.txt:
overrided||overridden
Link: http://lkml.kernel.org/r/1481573103-11329-22-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix typos and add the following to the scripts/spelling.txt:
intialization||initialization
The "inintialization" in drivers/acpi/spcr.c is a different pattern but
I fixed it as well in this commit.
Link: http://lkml.kernel.org/r/1481573103-11329-16-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix typos and add the following to the scripts/spelling.txt:
an union||a union
Link: http://lkml.kernel.org/r/1481573103-11329-5-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It was reported that on some machines, there is overlap between ACPI
NVS area and BERT address range. This appears reasonable because BERT
contents need to be non-volatile across reboot. But this will cause
resources conflict in current Linux kernel implementation because the
ACPI NVS area is marked as busy. The resource conflict is fixed via
excluding the ACPI NVS area when requesting IO resources for BERT.
When accessing the BERT contents, the whole BERT address range will be
ioremapped and accessed.
Reported-and-tested-by: Hans Kristian Rosbach <hansr@raskesider.no>
Signed-off-by: Ying Huang <ying.huang@intel.com>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
to existing clk drivers. The bulk of the work is on Allwinner and
Rockchip SoCs, but there's also an Intel Atom driver in here too.
New Drivers:
- Tegra BPMP firmware
- Hisilicon hi3660 SoCs
- Rockchip rk3328 SoCs
- Intel Atom PMC
- STM32F746
- IDT VersaClock 5P49V5923 and 5P49V5933
- Marvell mv98dx3236 SoCs
- Allwinner V3s SoCs
Removed Drivers:
- Samsung Exynos4415 SoCs
Updates:
- Migrate ABx500 to OF
- Qualcomm IPQ4019 CPU clks and general PLL support
- Qualcomm MSM8974 RPM
- Rockchip non-critical fixes and clk id additions
- Samsung Exynos4412 CPUs
- Socionext UniPhier NAND and eMMC support
- ZTE zx296718 i2s and other audio clks
- Renesas CAN and MSIOF clks for R-Car M3-W
- Renesas resets for R-Car Gen2 and Gen3 and RZ/G1
- TI CDCE913, CDCE937, and CDCE949 clk generators
- Marvell Armada ap806 CPU frequencies
- STM32F4* I2S/SAI support
- Broadcom BCM2835 DSI support
- Allwinner sun5i and A80 conversion to new style clk bindings
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The usual collection of new drivers, non-critical fixes, and updates
to existing clk drivers. The bulk of the work is on Allwinner and
Rockchip SoCs, but there's also an Intel Atom driver in here too.
New Drivers:
- Tegra BPMP firmware
- Hisilicon hi3660 SoCs
- Rockchip rk3328 SoCs
- Intel Atom PMC
- STM32F746
- IDT VersaClock 5P49V5923 and 5P49V5933
- Marvell mv98dx3236 SoCs
- Allwinner V3s SoCs
Removed Drivers:
- Samsung Exynos4415 SoCs
Updates:
- Migrate ABx500 to OF
- Qualcomm IPQ4019 CPU clks and general PLL support
- Qualcomm MSM8974 RPM
- Rockchip non-critical fixes and clk id additions
- Samsung Exynos4412 CPUs
- Socionext UniPhier NAND and eMMC support
- ZTE zx296718 i2s and other audio clks
- Renesas CAN and MSIOF clks for R-Car M3-W
- Renesas resets for R-Car Gen2 and Gen3 and RZ/G1
- TI CDCE913, CDCE937, and CDCE949 clk generators
- Marvell Armada ap806 CPU frequencies
- STM32F4* I2S/SAI support
- Broadcom BCM2835 DSI support
- Allwinner sun5i and A80 conversion to new style clk bindings"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (130 commits)
clk: renesas: mstp: ensure register writes complete
clk: qcom: Do not drop device node twice
clk: mvebu: adjust clock handling for the CP110 system controller
clk: mvebu: Expand mv98dx3236-core-clock support
clk: zte: add i2s clocks for zx296718
clk: sunxi-ng: sun9i-a80: Fix wrong pointer passed to PTR_ERR()
clk: sunxi-ng: select SUNXI_CCU_MULT for sun5i
clk: sunxi-ng: Check kzalloc() for errors and cleanup error path
clk: tegra: Add BPMP clock driver
clk: uniphier: add eMMC clock for LD11 and LD20 SoCs
clk: uniphier: add NAND clock for all UniPhier SoCs
ARM: dts: sun9i: Switch to new clock bindings
clk: sunxi-ng: Add A80 Display Engine CCU
clk: sunxi-ng: Add A80 USB CCU
clk: sunxi-ng: Add A80 CCU
clk: sunxi-ng: Support separately grouped PLL lock status register
clk: sunxi-ng: mux: Get closest parent rate possible with CLK_SET_RATE_PARENT
clk: sunxi-ng: mux: honor CLK_SET_RATE_NO_REPARENT flag
clk: sunxi-ng: mux: Fix determine_rate for mux clocks with pre-dividers
clk: qcom: SDHCI enablement on Nexus 5X / 6P
...
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Merge tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
- add ASPM L1 substate support
- enable PCIe Extended Tags when supported
- configure PCIe MPS settings on iProc, Versatile, X-Gene, and Xilinx
- increase VPD access timeout
- add ACS quirks for Intel Union Point, Qualcomm QDF2400 and QDF2432
- use new pci_irq_alloc_vectors() in more drivers
- fix MSI affinity memory leak
- remove unused MSI interfaces and update documentation
- remove unused AER .link_reset() callback
- avoid pci_lock / p->pi_lock deadlock seen with perf
- serialize sysfs enable/disable num_vfs operations
- move DesignWare IP from drivers/pci/host/ to drivers/pci/dwc/ and
refactor so we can support both hosts and endpoints
- add DT ECAM-like support for HiSilicon Hip06/Hip07 controllers
- add Rockchip system power management support
- add Thunder-X cn81xx and cn83xx support
- add Exynos 5440 PCIe PHY support
* tag 'pci-v4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (93 commits)
PCI: dwc: Remove dependency of designware on CONFIG_PCI
PCI: dwc: Add CONFIG_PCIE_DW_HOST to enable PCI dwc host
PCI: dwc: Split pcie-designware.c into host and core files
PCI: dwc: designware: Fix style errors in pcie-designware.c
PCI: dwc: designware: Parse "num-lanes" property in dw_pcie_setup_rc()
PCI: dwc: all: Split struct pcie_port into host-only and core structures
PCI: dwc: designware: Get device pointer at the start of dw_pcie_host_init()
PCI: dwc: all: Rename cfg_read/cfg_write to read/write
PCI: dwc: all: Use platform_set_drvdata() to save private data
PCI: dwc: designware: Move register defines to designware header file
PCI: dwc: Use PTR_ERR_OR_ZERO to simplify code
PCI: dra7xx: Group PHY API invocations
PCI: dra7xx: Enable MSI and legacy interrupts simultaneously
PCI: dra7xx: Add support to force RC to work in GEN1 mode
PCI: dra7xx: Simplify probe code with devm_gpiod_get_optional()
PCI: Move DesignWare IP support to new drivers/pci/dwc/ directory
PCI: exynos: Support the PHY generic framework
Documentation: binding: Modify the exynos5440 PCIe binding
phy: phy-exynos-pcie: Add support for Exynos PCIe PHY
Documentation: samsung-phy: Add exynos-pcie-phy binding
...
Here is the big tty/serial driver patchset for 4.11-rc1.
Not much here, but a lot of little fixes and individual serial driver
updates all over the subsystem. Majority are for the sh-sci driver and
platform (the arch-specific changes have acks from the maintainer).
The start of the "serial bus" code is here as well, but nothing is
converted to use it yet. That work is still ongoing, hopefully will
start to show up across different subsystems for 4.12 (bluetooth is one
major place that will be used.)
All of these 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 'tty-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big tty/serial driver patchset for 4.11-rc1.
Not much here, but a lot of little fixes and individual serial driver
updates all over the subsystem. Majority are for the sh-sci driver and
platform (the arch-specific changes have acks from the maintainer).
The start of the "serial bus" code is here as well, but nothing is
converted to use it yet. That work is still ongoing, hopefully will
start to show up across different subsystems for 4.12 (bluetooth is
one major place that will be used.)
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (109 commits)
tty: pl011: Work around QDF2400 E44 stuck BUSY bit
atmel_serial: Use the fractional divider when possible
tty: Remove extra include in HVC console tty framework
serial: exar: Enable MSI support
serial: exar: Move register defines from uapi header to consumer site
serial: pci: Remove unused pci_boards entries
serial: exar: Move Commtech adapters to 8250_exar as well
serial: exar: Fix feature control register constants
serial: exar: Fix initialization of EXAR registers for ports > 0
serial: exar: Fix mapping of port I/O resources
serial: sh-sci: fix hardware RX trigger level setting
tty/serial: atmel: ensure state is restored after suspending
serial: 8250_dw: Avoid "too much work" from bogus rx timeout interrupt
serdev: ttyport: check whether tty_init_dev() fails
serial: 8250_pci: make pciserial_detach_ports() static
ARM: dts: STiH410-b2260: Enable HW flow-control
ARM: dts: STiH407-family: Use new Pinctrl groups
ARM: dts: STiH407-pinctrl: Add Pinctrl group for HW flow-control
ARM: dts: STiH410-b2260: Identify the UART RTS line
dt-bindings: serial: Update 'uart-has-rtscts' description
...
- Errata workarounds for Qualcomm's Falkor CPU
- Qualcomm L2 Cache PMU driver
- Qualcomm SMCCC firmware quirk
- Support for DEBUG_VIRTUAL
- CPU feature detection for userspace via MRS emulation
- Preliminary work for the Statistical Profiling Extension
- Misc cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
- Errata workarounds for Qualcomm's Falkor CPU
- Qualcomm L2 Cache PMU driver
- Qualcomm SMCCC firmware quirk
- Support for DEBUG_VIRTUAL
- CPU feature detection for userspace via MRS emulation
- Preliminary work for the Statistical Profiling Extension
- Misc cleanups and non-critical fixes
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (74 commits)
arm64/kprobes: consistently handle MRS/MSR with XZR
arm64: cpufeature: correctly handle MRS to XZR
arm64: traps: correctly handle MRS/MSR with XZR
arm64: ptrace: add XZR-safe regs accessors
arm64: include asm/assembler.h in entry-ftrace.S
arm64: fix warning about swapper_pg_dir overflow
arm64: Work around Falkor erratum 1003
arm64: head.S: Enable EL1 (host) access to SPE when entered at EL2
arm64: arch_timer: document Hisilicon erratum 161010101
arm64: use is_vmalloc_addr
arm64: use linux/sizes.h for constants
arm64: uaccess: consistently check object sizes
perf: add qcom l2 cache perf events driver
arm64: remove wrong CONFIG_PROC_SYSCTL ifdef
ARM: smccc: Update HVC comment to describe new quirk parameter
arm64: do not trace atomic operations
ACPI/IORT: Fix the error return code in iort_add_smmu_platform_device()
ACPI/IORT: Fix iort_node_get_id() mapping entries indexing
arm64: mm: enable CONFIG_HOLES_IN_ZONE for NUMA
perf: xgene: Include module.h
...
- Update of the ACPICA code in the kernel to upstream revision
20170119 including:
* Fixes related to the handling of the bit width and bit offset
fields in Generic Address Structure (Lv Zheng).
* ACPI resources handling fix related to invalid resource
descriptors (Bob Moore).
* Fix to enable implicit result conversion for several ASL
library functions (Bob Moore).
* Support for method invocations as target operands in AML
(Bob Moore).
* Fix to use a correct operand type for DeRefOf() in some
situations (Bob Moore).
* Utilities updates (Bob Moore, Lv Zheng).
* Disassembler/debugger updates (David Box, Lv Zheng).
* Build fixes (Colin Ian King, Lv Zheng).
* Update of copyright notices in all files (Bob Moore).
- Fix for modalias handling for SPI and I2C devices with
DT-compatible identification strings (Dan O'Donovan).
- Fixes for the ACPI EC and button drivers (Lv Zheng).
- ACPI processor handling fix related to CPU hotplug (online/offline)
on x86 (Vitaly Kuznetsov).
- Suspend quirk to save/restore NVS memory over S3 transitions for
Lenovo G50-45 (Zhang Rui).
- Message formatting fix for the ACPI APEI code (Colin Ian King).
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Merge tag 'acpi-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20170119, which among other things updates copyright notices in all of
the ACPICA files, fix a couple of issues in the ACPI EC and button
drivers, fix modalias handling for non-discoverable devices with
DT-compatible identification strings, add a suspend quirk for one
platform and fix a message in the APEI code.
Specifics:
- Update of the ACPICA code in the kernel to upstream revision
20170119 including:
+ Fixes related to the handling of the bit width and bit offset
fields in Generic Address Structure (Lv Zheng)
+ ACPI resources handling fix related to invalid resource
descriptors (Bob Moore)
+ Fix to enable implicit result conversion for several ASL library
functions (Bob Moore)
+ Support for method invocations as target operands in AML (Bob
Moore)
+ Fix to use a correct operand type for DeRefOf() in some
situations (Bob Moore)
+ Utilities updates (Bob Moore, Lv Zheng)
+ Disassembler/debugger updates (David Box, Lv Zheng)
+ Build fixes (Colin Ian King, Lv Zheng)
+ Update of copyright notices in all files (Bob Moore)
- Fix for modalias handling for SPI and I2C devices with
DT-compatible identification strings (Dan O'Donovan)
- Fixes for the ACPI EC and button drivers (Lv Zheng)
- ACPI processor handling fix related to CPU hotplug (online/offline)
on x86 (Vitaly Kuznetsov)
- Suspend quirk to save/restore NVS memory over S3 transitions for
Lenovo G50-45 (Zhang Rui)
- Message formatting fix for the ACPI APEI code (Colin Ian King)"
* tag 'acpi-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
ACPICA: Update version to 20170119
ACPICA: Tools: Update common signon, remove compilation bit width
ACPICA: Source tree: Update copyright notices to 2017
ACPICA: Linuxize: Restore and fix Intel compiler build
x86/ACPI: keep x86_cpu_to_acpiid mapping valid on CPU hotplug
spi: acpi: Initialize modalias from of_compatible
i2c: acpi: Initialize info.type from of_compatible
ACPI / bus: Introduce acpi_of_modalias() equiv of of_modalias_node()
ACPI: save NVS memory for Lenovo G50-45
ACPI, APEI, EINJ: fix malformed newline escape
ACPI / button: Remove lid_init_state=method mode
ACPI / button: Change default behavior to lid_init_state=open
ACPI / EC: Use busy polling mode when GPE is not enabled
ACPI / EC: Remove old CLEAR_ON_RESUME quirk
ACPICA: Update version to 20161222
ACPICA: Parser: Update parse info table for some operators
ACPICA: Fix a problem with recent extra support for control method invocations
ACPICA: Parser: Allow method invocations as target operands
ACPICA: Fix for implicit result conversion for the ToXXX functions
ACPICA: Resources: Not a valid resource if buffer length too long
..
- Operating Performance Points (OPP) framework fixes, cleanups and
switch over from RCU-based synchronization to reference counting
using krefs (Viresh Kumar, Wei Yongjun, Dave Gerlach).
- cpufreq core cleanups and documentation updates (Viresh Kumar,
Rafael Wysocki).
- New cpufreq driver for Broadcom BMIPS SoCs (Markus Mayer).
- New cpufreq-dt sub-driver for TI SoCs requiring special handling,
like in the AM335x, AM437x, DRA7x, and AM57x families, along with
new DT bindings for it (Dave Gerlach, Paul Gortmaker).
- ARM64 SoCs support for the qoriq cpufreq driver (Tang Yuantian).
- intel_pstate driver updates including a new sysfs knob to control
the driver's operation mode and fixes related to the no_turbo
sysfs knob and the hardware-managed P-states feature support
(Rafael Wysocki, Srinivas Pandruvada).
- New interface to export ultra-turbo frequencies for the powernv
cpufreq driver (Shilpasri Bhat).
- Assorted fixes for cpufreq drivers (Arnd Bergmann, Dan Carpenter,
Wei Yongjun).
- devfreq core fixes, mostly related to the sysfs interface exported
by it (Chanwoo Choi, Chris Diamand).
- Updates of the exynos-bus and exynos-ppmu devfreq drivers (Chanwoo
Choi).
- Device PM QoS extension to support CPUs and support for per-CPU
wakeup (device resume) latency constraints in the cpuidle menu
governor (Alex Shi).
- Wakeup IRQs framework fixes (Grygorii Strashko).
- Generic power domains framework update including a fix to make
it handle asynchronous invocations of *noirq suspend/resume
callbacks correctly (Ulf Hansson, Geert Uytterhoeven).
- Assorted fixes and cleanups in the core suspend/hibernate code,
PM QoS framework and x86 ACPI idle support code (Corentin Labbe,
Geert Uytterhoeven, Geliang Tang, John Keeping, Nick Desaulniers).
- Update of the analyze_suspend.py script is updated to version 4.5
offering multiple improvements (Todd Brandt).
- New tool for intel_pstate diagnostics using the pstate_sample
tracepoint (Doug Smythies).
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Merge tag 'pm-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"The majority of changes go into the Operating Performance Points (OPP)
framework and cpufreq this time, followed by devfreq and some
scattered updates all over.
The OPP changes are mostly related to switching over from RCU-based
synchronization, that turned out to be overly complicated and
problematic, to reference counting using krefs.
In the cpufreq land there are core cleanups, documentation updates, a
new driver for Broadcom BMIPS SoCs, a new cpufreq-dt sub-driver for TI
SoCs that require special handling, ARM64 SoCs support for the qoriq
driver, intel_pstate updates, powernv driver update and assorted
fixes.
The devfreq changes are mostly fixes related to the sysfs interface
and some Exynos drivers updates.
Apart from that, the cpuidle menu governor will support per-CPU PM QoS
constraints for the wakeup latency now, some bugs in the wakeup IRQs
framework are fixed, the generic power domains framework should handle
asynchronous invocations of *noirq suspend/resume callbacks from now
on, the analyze_suspend.py script is updated and there is a new tool
for intel_pstate diagnostics.
Specifics:
- Operating Performance Points (OPP) framework fixes, cleanups and
switch over from RCU-based synchronization to reference counting
using krefs (Viresh Kumar, Wei Yongjun, Dave Gerlach)
- cpufreq core cleanups and documentation updates (Viresh Kumar,
Rafael Wysocki)
- New cpufreq driver for Broadcom BMIPS SoCs (Markus Mayer)
- New cpufreq-dt sub-driver for TI SoCs requiring special handling,
like in the AM335x, AM437x, DRA7x, and AM57x families, along with
new DT bindings for it (Dave Gerlach, Paul Gortmaker)
- ARM64 SoCs support for the qoriq cpufreq driver (Tang Yuantian)
- intel_pstate driver updates including a new sysfs knob to control
the driver's operation mode and fixes related to the no_turbo sysfs
knob and the hardware-managed P-states feature support (Rafael
Wysocki, Srinivas Pandruvada)
- New interface to export ultra-turbo frequencies for the powernv
cpufreq driver (Shilpasri Bhat)
- Assorted fixes for cpufreq drivers (Arnd Bergmann, Dan Carpenter,
Wei Yongjun)
- devfreq core fixes, mostly related to the sysfs interface exported
by it (Chanwoo Choi, Chris Diamand)
- Updates of the exynos-bus and exynos-ppmu devfreq drivers (Chanwoo
Choi)
- Device PM QoS extension to support CPUs and support for per-CPU
wakeup (device resume) latency constraints in the cpuidle menu
governor (Alex Shi)
- Wakeup IRQs framework fixes (Grygorii Strashko)
- Generic power domains framework update including a fix to make it
handle asynchronous invocations of *noirq suspend/resume callbacks
correctly (Ulf Hansson, Geert Uytterhoeven)
- Assorted fixes and cleanups in the core suspend/hibernate code, PM
QoS framework and x86 ACPI idle support code (Corentin Labbe, Geert
Uytterhoeven, Geliang Tang, John Keeping, Nick Desaulniers)
- Update of the analyze_suspend.py script is updated to version 4.5
offering multiple improvements (Todd Brandt)
- New tool for intel_pstate diagnostics using the pstate_sample
tracepoint (Doug Smythies)"
* tag 'pm-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (85 commits)
MAINTAINERS: cpufreq: add bmips-cpufreq.c
PM / QoS: Fix memory leak on resume_latency.notifiers
PM / Documentation: Spelling s/wrtie/write/
PM / sleep: Fix test_suspend after sleep state rework
cpufreq: CPPC: add ACPI_PROCESSOR dependency
cpufreq: make ti-cpufreq explicitly non-modular
cpufreq: Do not clear real_cpus mask on policy init
tools/power/x86: Debug utility for intel_pstate driver
AnalyzeSuspend: fix drag and zoom bug in javascript
PM / wakeirq: report a wakeup_event on dedicated wekup irq
PM / wakeirq: Fix spurious wake-up events for dedicated wakeirqs
PM / wakeirq: Enable dedicated wakeirq for suspend
cpufreq: dt: Don't use generic platdev driver for ti-cpufreq platforms
cpufreq: ti: Add cpufreq driver to determine available OPPs at runtime
Documentation: dt: add bindings for ti-cpufreq
PM / OPP: Expose _of_get_opp_desc_node as dev_pm_opp API
cpufreq: qoriq: Don't look at clock implementation details
cpufreq: qoriq: add ARM64 SoCs support
PM / Domains: Provide dummy governors if CONFIG_PM_GENERIC_DOMAINS=n
cpufreq: brcmstb-avs-cpufreq: remove unnecessary platform_set_drvdata()
...
The changes include:
* KVM PCIe/MSI passthrough support on ARM/ARM64
* Introduction of a core representation for individual hardware
iommus
* Support for IOMMU privileged mappings as supported by some
ARM IOMMUS
* 16-bit SID support for ARM-SMMUv2
* Stream table optimization for ARM-SMMUv3
* Various fixes and other small improvements
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Merge tag 'iommu-updates-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU UPDATES from Joerg Roedel:
- KVM PCIe/MSI passthrough support on ARM/ARM64
- introduction of a core representation for individual hardware iommus
- support for IOMMU privileged mappings as supported by some ARM IOMMUS
- 16-bit SID support for ARM-SMMUv2
- stream table optimization for ARM-SMMUv3
- various fixes and other small improvements
* tag 'iommu-updates-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (61 commits)
vfio/type1: Fix error return code in vfio_iommu_type1_attach_group()
iommu: Remove iommu_register_instance interface
iommu/exynos: Make use of iommu_device_register interface
iommu/mediatek: Make use of iommu_device_register interface
iommu/msm: Make use of iommu_device_register interface
iommu/arm-smmu: Make use of the iommu_register interface
iommu: Add iommu_device_set_fwnode() interface
iommu: Make iommu_device_link/unlink take a struct iommu_device
iommu: Add sysfs bindings for struct iommu_device
iommu: Introduce new 'struct iommu_device'
iommu: Rename struct iommu_device
iommu: Rename iommu_get_instance()
iommu: Fix static checker warning in iommu_insert_device_resv_regions
iommu: Avoid unnecessary assignment of dev->iommu_fwspec
iommu/mediatek: Remove bogus 'select' statements
iommu/dma: Remove bogus dma_supported() implementation
iommu/ipmmu-vmsa: Restrict IOMMU Domain Geometry to 32-bit address space
iommu/vt-d: Don't over-free page table directories
iommu/vt-d: Tylersburg isoch identity map check is done too late.
iommu/vt-d: Fix some macros that are incorrectly specified in intel-iommu
...
Pull RAS updates from Ingo Molnar:
"The main changes in this cycle were:
- Assign notifier chain priorities for all RAS related handlers to
make the ordering explicit (Borislav Petkov)
- Improve the AMD MCA banks sysfs output (Yazen Ghannam)
- Various cleanups and restructuring of the x86 RAS code (Borislav
Petkov)"
* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ras, EDAC, acpi: Assign MCE notifier handlers a priority
x86/ras: Get rid of mce_process_work()
EDAC/mce/amd: Dump TSC value
EDAC/mce/amd: Unexport amd_decode_mce()
x86/ras/amd/inj: Change dependency
x86/ras: Flip the TSC-adding logic
x86/ras/amd: Make sysfs names of banks more user-friendly
x86/ras/therm_throt: Do not log a fake MCE for thermal events
x86/ras/inject: Make it depend on X86_LOCAL_APIC=y
Pull EFI updates from Ingo Molnar:
"The main changes in this cycle were:
- Changes to the EFI init code to establish whether secure boot
authentication was performed at boot time. (Josh Boyer, David
Howells)
- Wire up the UEFI memory attributes table for x86. This eliminates
any runtime memory regions that are both writable and executable,
on recent firmware versions. (Sai Praneeth)
- Move the BGRT init code to an earlier stage so that we can still
use efi_mem_reserve(). (Dave Young)
- Preserve debug symbols in the ARM/arm64 UEFI stub (Ard Biesheuvel)
- Code deduplication work and various other cleanups (Lukas Wunner)
- ... plus various other fixes and cleanups"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/libstub: Make file I/O chunking x86-specific
efi: Print the secure boot status in x86 setup_arch()
efi: Disable secure boot if shim is in insecure mode
efi: Get and store the secure boot status
efi: Add SHIM and image security database GUID definitions
arm/efi: Allow invocation of arbitrary runtime services
x86/efi: Allow invocation of arbitrary runtime services
efi/libstub: Preserve .debug sections after absolute relocation check
efi/x86: Add debug code to print cooked memmap
efi/x86: Move the EFI BGRT init code to early init code
efi: Use typed function pointers for the runtime services table
efi/esrt: Fix typo in pr_err() message
x86/efi: Add support for EFI_MEMORY_ATTRIBUTES_TABLE
efi: Introduce the EFI_MEM_ATTR bit and set it from the memory attributes table
efi: Make EFI_MEMORY_ATTRIBUTES_TABLE initialization common across all architectures
x86/efi: Deduplicate efi_char16_printk()
efi: Deduplicate efi_file_size() / _read() / _close()
Pull irq updates from Thomas Gleixner:
"This update provides:
- Yet another two irq controller chip drivers
- A few updates and fixes for GICV3
- A resource managed function for interrupt allocation
- Fixes, updates and enhancements all over the place"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/qcom: Fix error handling
genirq: Clarify logic calculating bogus irqreturn_t values
genirq/msi: Add stubs for get_cached_msi_msg/pci_write_msi_msg
genirq/devres: Use dev_name(dev) as default for devname
genirq: Fix /proc/interrupts output alignment
irqdesc: Add a resource managed version of irq_alloc_descs()
irqchip/gic-v3-its: Zero command on allocation
irqchip/gic-v3-its: Fix command buffer allocation
irqchip/mips-gic: Fix local interrupts
irqchip: Add a driver for Cortina Gemini
irqchip: DT bindings for Cortina Gemini irqchip
irqchip/gic-v3: Remove duplicate definition of GICD_TYPER_LPIS
irqchip/gic-v3-its: Rename MAPVI to MAPTI
irqchip/gic-v3-its: Drop deprecated GITS_BASER_TYPE_CPU
irqchip/gic-v3-its: Refactor command encoding
irqchip/gic-v3-its: Enable cacheable attribute Read-allocate hints
irqchip/qcom: Add IRQ combiner driver
ACPI: Add support for ResourceSource/IRQ domain mapping
ACPI: Generic GSI: Do not attempt to map non-GSI IRQs during bus scan
irq/platform-msi: Fix comment about maximal MSIs
* acpica: (22 commits)
ACPICA: Update version to 20170119
ACPICA: Tools: Update common signon, remove compilation bit width
ACPICA: Source tree: Update copyright notices to 2017
ACPICA: Linuxize: Restore and fix Intel compiler build
ACPICA: Update version to 20161222
ACPICA: Parser: Update parse info table for some operators
ACPICA: Fix a problem with recent extra support for control method invocations
ACPICA: Parser: Allow method invocations as target operands
ACPICA: Fix for implicit result conversion for the ToXXX functions
ACPICA: Resources: Not a valid resource if buffer length too long
ACPICA: Utilities: Update debug output
ACPICA: Disassembler: Add Switch/Case disassembly support
ACPICA: EFI: Add efihello demo application
ACPICA: MSVC: Fix MSVC6 build issues
ACPICA: Linux-specific header: Add support for s390x compilation
ACPICA: Hardware: Add sleep register hooks
ACPICA: Macro header: Fix some typos in comments
ACPICA: Hardware: Sort access bit width algorithm
ACPICA: Utilities: Add power of two rounding support
ACPICA: Hardware: Add access_width/bit_offset support in acpi_hw_write()
...
The Qualcomm Datacenter Technologies QDF2400 family of SoCs contains a
custom (non-PrimeCell) implementation of the SBSA UART. Occasionally the
BUSY bit in the Flag Register gets stuck as 1, erratum 44 for both 2432v1
and 2400v1 SoCs.Checking that the Transmit FIFO Empty (TXFE) bit is 0,
instead of checking that the BUSY bit is 1, works around the issue.
To facilitate this substitution of flags and values, introduce
vendor-specific inversion of Feature Register bits when UART AMBA Port
(UAP) data is available. For the earlycon case, prior to UAP availability,
implement alternative putc and early_write functions.
Similar to what how ARMv8 ACPI PCI quirks are detected during MCFG parsing,
check the OEM fields of the Serial Port Console Redirection (SPCR) ACPI
table to determine if the current platform is known to be affected by the
erratum.
Signed-off-by: Christopher Covington <cov@codeaurora.org>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Timur Tabi <timur@codeaurora.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On x86 we do not have devicetree to link the PWM controller and
the display controller together. So someone needs to call
pwm_add_table() to create the link, so that the i915 driver's
pwm_get(dev, "pwm_backlight") call returns the lpss' pwm0.
The PWM subsystem does not want to have pwm_add_table() calls
directly in PWM drivers (this leads to probe ordering issues),
so lets do it here since the acpi-lpss code is always builtin.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Rafael J. Wysocki <rjw@rjwysocki.net>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Rename the function to iommu_ops_from_fwnode(), because that
is what the function actually does. The new name is much
more descriptive about what the function does.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
ipmi_create_user() now takes the user handlers as const, make
it const in the ACPI IPMI code.
Cc: linux-acpi@vger.kernel.org
Cc: Zhao Yakui <yakui.zhao@intel.com>
Cc: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Rafael J. Wysocki <rjw@rjwysocki.net>
ACPICA commit 43e04e75a9849072a1557b674004d8093bddb9ef
Remove the bit width of the compiler that generated the tool
from the tool signon. This was confusing and unnecessary.
Changed the iASL signon to add "disassembler" to the name.
Link: https://github.com/acpica/acpica/commit/43e04e75
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 16577e5265923f4999b4d2c0addb2343b18135e1
Affects all files.
Link: https://github.com/acpica/acpica/commit/16577e52
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
We may or may not have all possible CPUs in MADT on boot but in any
case we're overwriting x86_cpu_to_acpiid mapping with U32_MAX when
acpi_register_lapic() is called again on the CPU hotplug path:
acpi_processor_hotadd_init()
-> acpi_map_cpu()
-> acpi_register_lapic()
As we have the required acpi_id information in acpi_processor_hotadd_init()
propagate it to acpi_map_cpu() to always keep x86_cpu_to_acpiid
mapping valid.
Reported-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When using devicetree stuff like i2c_client.name or spi_device.modalias
is initialized to the first DT compatible id with the vendor prefix
stripped. Since some drivers rely on this try to replicate it when using
ACPI with DT ids.
Signed-off-by: Dan O'Donovan <dan@emutex.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Pull libnvdimm fixes from Dan Williams:
"None of these are showstoppers for 4.10 and could wait for 4.11 merge
window, but they are low enough risk for this late in the cycle and
the fixes have waiting users . They have received a build success
notification from the 0day robot, pass the latest ndctl unit tests,
and appeared in next:
- Fix a crash that can result when SIGINT is sent to a process that
is awaiting completion of an address range scrub command. We were
not properly cleaning up the workqueue after
wait_event_interruptible().
- Fix a memory hotplug failure condition that results from not
reserving enough space out of persistent memory for the memmap. By
default we align to 2M allocations that the memory hotplug code
assumes, but if the administrator specifies a non-default
4K-alignment then we can fail to correctly size the reservation.
- A one line fix to improve the predictability of libnvdimm block
device names. A common operation is to reconfigure /dev/pmem0 into
a different mode. For example, a reconfiguration might set a new
mode that reserves some of the capacity for a struct page memmap
array. It surprises users if the device name changes to
"/dev/pmem0.1" after the mode change and then back to /dev/pmem0
after a reboot.
- Add 'const' to some function pointer tables"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm, pfn: fix memmap reservation size versus 4K alignment
acpi, nfit: fix acpi_nfit_flush_probe() crash
libnvdimm, namespace: do not delete namespace-id 0
nvdimm: constify device_type structures
The function iort_add_smmu_platform_device() accidentally returns 0
(ie PTR_ERR(pdev) where pdev == NULL) if platform_device_alloc() fails;
fix the bug by returning a proper error value.
Fixes: 846f0e9e74 ("ACPI/IORT: Add support for ARM SMMU platform devices creation")
Acked-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
[lorenzo.pieralisi@arm.com: improved commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Commit 618f535a60 ("ACPI/IORT: Add single mapping function")
introduced a function (iort_node_get_id()) to retrieve ids for IORT
named components.
The iort_node_get_id() takes an index as input to refer to a specific
mapping entry in the named component IORT node mapping array.
For a mapping entry at a given index, iort_node_get_id() should return
the id value (through the id_out function parameter) and the IORT node
output_reference (through function return value) the given mapping entry
refers to.
Technically output_reference values may differ for different map
entries, (see diagram below - mapped id values may refer to different eg
IORT SMMU nodes; the kernel may not be able to handle different
output_reference values for a given named component but the IORT kernel
layer should still report the IORT mappings as reported by firmware) but
current code in iort_node_get_id() fails to use the index function
parameter to return the correct output_reference value (ie it always
returns the output_reference value of the first entry in the mapping
array whilst using the index correctly to retrieve the id value from the
respective entry).
|----------------------|
| named component |
|----------------------|
| map entry[0] |
|----------------------|
| id value |
| output_reference----------------> eg SMMU 1
|----------------------|
| map entry[1] |
|----------------------|
| id value |
| output_reference----------------> eg SMMU 2
|----------------------|
.
.
.
|----------------------|
| map entry[N] |
|----------------------|
| id value |
| output_reference----------------> eg SMMU 1
|----------------------|
Consequently the iort_node_get_id() function always returns the IORT
node pointed at by the output_reference value of the first named
component mapping array entry, irrespective of the index parameter,
which is a bug.
Update the map array entry pointer computation in iort_node_get_id() to
take into account the index value, fixing the issue.
Fixes: 618f535a60 ("ACPI/IORT: Add single mapping function")
Reported-by: Hanjun Guo <hanjun.guo@linaro.org>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Hanjun Guo <hanjun.guo@linaro.org>
Cc: Sinan Kaya <okaya@codeaurora.org>
Cc: Tomasz Nowicki <tn@semihalf.com>
Cc: Nate Watterson <nwatters@codeaurora.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Will Deacon <will.deacon@arm.com>
acpi_processor_ppc_notifier() can live without using CPUFREQ_START
(which is gonna be removed soon), as it is only used while setting
ignore_ppc to 0. This can be done with the help of "ignore_ppc < 0"
check alone. The notifier function anyway ignores all events except
CPUFREQ_ADJUST and dropping CPUFREQ_START wouldn't harm at all.
Once CPUFREQ_START event is removed from the cpufreq core,
acpi_processor_ppc_notifier() will get called only for CPUFREQ_NOTIFY or
CPUFREQ_ADJUST event. Drop the return statement from the first if block
to make sure we don't ignore any such events.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
We queue an on-stack work item to 'nfit_wq' and wait for it to complete
as part of a 'flush_probe' request. However, if the user cancels the
wait we need to make sure the item is flushed from the queue otherwise
we are leaving an out-of-scope stack address on the work list.
BUG: unable to handle kernel paging request at ffffbcb3c72f7cd0
IP: [<ffffffffa9413a7b>] __list_add+0x1b/0xb0
[..]
RIP: 0010:[<ffffffffa9413a7b>] [<ffffffffa9413a7b>] __list_add+0x1b/0xb0
RSP: 0018:ffffbcb3c7ba7c00 EFLAGS: 00010046
[..]
Call Trace:
[<ffffffffa90bb11a>] insert_work+0x3a/0xc0
[<ffffffffa927fdda>] ? seq_open+0x5a/0xa0
[<ffffffffa90bb30a>] __queue_work+0x16a/0x460
[<ffffffffa90bbb08>] queue_work_on+0x38/0x40
[<ffffffffc0cf2685>] acpi_nfit_flush_probe+0x95/0xc0 [nfit]
[<ffffffffc0cf25d0>] ? nfit_visible+0x40/0x40 [nfit]
[<ffffffffa9571495>] wait_probe_show+0x25/0x60
[<ffffffffa9546b30>] dev_attr_show+0x20/0x50
Fixes: 7ae0fa439f ("nfit, libnvdimm: async region scrub workqueue")
Cc: <stable@vger.kernel.org>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
ACPI extended IRQ resources may contain a ResourceSource to specify
an alternate interrupt controller. Introduce acpi_irq_get and use it
to implement ResourceSource/IRQ domain mapping.
The new API is similar to of_irq_get and allows re-initialization
of a platform resource from the ACPI extended IRQ resource, and
provides proper behavior for probe deferral when the domain is not
yet present when called.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Agustin Vega-Frias <agustinv@codeaurora.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
ACPI extended IRQ resources may contain a Resource Source field to specify
an alternate interrupt controller, attempting to map them as GSIs is
incorrect, so just disable the platform resource.
Since this field is currently ignored, we make this change conditional
on CONFIG_ACPI_GENERIC_GSI to keep the current behavior on x86 platforms,
in case some existing ACPI tables are using this incorrectly.
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Tested-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Agustin Vega-Frias <agustinv@codeaurora.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Dou Liyang