Driver updates for ARM SoCs.
A handful of driver changes this time around. The larger changes are:
- Reset drivers for hi3660 and zx2967
- AHCI driver for Davinci, acked by Tejun and brought in here due to
platform dependencies
- Cleanups of atmel-ebi (External Bus Interface)
- Tweaks for Rockchip GRF (General Register File) usage (kitchensink misc
register range on the SoCs)
- PM domains changes for support of two new ZTE SoCs (zx296718 and zx2967)
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Driver updates for ARM SoCs.
A handful of driver changes this time around. The larger changes are:
- Reset drivers for hi3660 and zx2967
- AHCI driver for Davinci, acked by Tejun and brought in here due to
platform dependencies
- Cleanups of atmel-ebi (External Bus Interface)
- Tweaks for Rockchip GRF (General Register File) usage (kitchensink
misc register range on the SoCs)
- PM domains changes for support of two new ZTE SoCs (zx296718 and
zx2967)"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
soc: samsung: pmu: Add register defines for pad retention control
reset: make zx2967 explicitly non-modular
reset: core: fix reset_control_put
soc: samsung: pm_domains: Read domain name from the new label property
soc: samsung: pm_domains: Remove message about failed memory allocation
soc: samsung: pm_domains: Remove unused name field
soc: samsung: pm_domains: Use full names in subdomains registration log
sata: ahci-da850: un-hardcode the MPY bits
sata: ahci-da850: add a workaround for controller instability
sata: ahci: export ahci_do_hardreset() locally
sata: ahci-da850: implement a workaround for the softreset quirk
sata: ahci-da850: add device tree match table
sata: ahci-da850: get the sata clock using a connection id
soc: samsung: pmu: Remove duplicated define for ARM_L2_OPTION register
memory: atmel-ebi: Enable the SMC clock if specified
soc: samsung: pmu: Remove unused and duplicated defines
memory: atmel-ebi: Properly handle multiple reference to the same CS
memory: atmel-ebi: Fix the test to enable generic SMC logic
soc: samsung: pm_domains: Add new Exynos5433 compatible
soc: samsung: pmu: Add dummy support for Exynos5433 SoC
...
- more EBI fixes
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Merge tag 'at91-ab-4.11-drivers2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/drivers
Drivers for 4.11 #2:
- more EBI fixes
* tag 'at91-ab-4.11-drivers2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
memory: atmel-ebi: Enable the SMC clock if specified
memory: atmel-ebi: Properly handle multiple reference to the same CS
memory: atmel-ebi: Fix the test to enable generic SMC logic
Signed-off-by: Olof Johansson <olof@lixom.net>
This contains a single commit that plugs a potential device node leak in
error handling code.
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Merge tag 'tegra-for-4.11-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
memory: tegra: Changes for v4.11-rc1
This contains a single commit that plugs a potential device node leak in
error handling code.
* tag 'tegra-for-4.11-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
memory: tegra: Add a missing 'of_node_put()' call
Signed-off-by: Olof Johansson <olof@lixom.net>
Newer versions of the SMC block requires the SMC clock to be enabled
before the SMC logic can be used.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Some devices are defining several sub-ranges within the same CS iomem
range. In this case, we should not duplicate the EBI device config.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
We should test the apply value and not the ret one here.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Fixes: 6a4ec4cd08 ("memory: add Atmel EBI (External Bus Interface) driver")
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
If 'of_find_device_by_node()' fails, an 'of_node_put()' call is missing in
the error handling path.
Fix it by reordering the code.
While at it, remove some empty lines in a more or less similar construction
a few lines below.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>
TI aemif driver creates its own subnodes of the device tree in order
to guarantee that all child devices are probed after the AEMIF timing
parameters are configured.
Some devices (e.g. da850) use struct of_dev_auxdata for clock lookup
but nodes created from within the aemif driver can't access the lookup
table.
Create a platform data structure that holds a pointer to
of_dev_auxdata so that we can use it with of_platform_populate().
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
at91sam9_ebi_get_config() is incorrectly converting timings in clock
cycles into timings in nanoseconds by multiplying the cycle values by
the clk rate instead of the clk period.
at91sam9_ebi_xslate_config() has the same problem for the
tdf_ns -> tdf_cycles conversion.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: Chris Leahy <leahycm@gmail.com>
Fixes: 6a4ec4cd08 ("memory: add Atmel EBI (External Bus Interface) driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
section mismatch warnings introduced by them.
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Merge tag 'davinci-for-v4.10/drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/drivers
Pull "DaVinci driver updates for v4.10 (part 2)" from Sekhar Nori:
Fixes for drivers already queued to prevent
section mismatch warnings introduced by them.
* tag 'davinci-for-v4.10/drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
memory: da8xx-ddrctl: drop the call to of_flat_dt_get_machine_name()
bus: da8xx-mstpri: drop the call to of_flat_dt_get_machine_name()
In order to avoid a section mismatch drop the call to
of_flat_dt_get_machine_name() when printing the error message.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
- few fixes for the memory drivers
- minimal security module driver
- support for the Secure SRAM
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Merge tag 'at91-ab-4.10-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/drivers
Drivers for 4.10:
- few fixes for the memory drivers
- minimal security module driver
- support for the Secure SRAM
* tag 'at91-ab-4.10-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
misc: sram: add Atmel securam support
misc: sram: document new compatible
ARM: at91: add secumod register definitions
Documentation: dt: atmel-at91: Document secumod bindings
memory: atmel-sdramc: use builtin_platform_driver to simplify the code
memory: atmel-ebi: fix return value check in at91_ebi_dev_disable()
Signed-off-by: Olof Johansson <olof@lixom.net>
Create a new driver for the da8xx DDR2/mDDR controller and implement
support for writing to the Peripheral Bus Burst Priority Register.
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
[nsekhar@ti.com: subject line adjustment]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Use the builtin_platform_driver() macro to make the code simpler.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Fix the retrn value check which testing the wrong variable
in at91_ebi_dev_disable().
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Driver updates for ARM SoCs, including a couple of newly added drivers:
- The Qualcomm external bus interface 2 (EBI2), used in some of their
mobile phone chips for connecting flash memory, LCD displays or
other peripherals
- Secure monitor firmware for Amlogic SoCs, and an NVMEM driver for the
EFUSE based on that firmware interface.
- Perf support for the AppliedMicro X-Gene performance monitor unit
- Reset driver for STMicroelectronics STM32
- Reset driver for SocioNext UniPhier SoCs
Aside from these, there are minor updates to SoC-specific bus,
clocksource, firmware, pinctrl, reset, rtc and pmic drivers.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Driver updates for ARM SoCs, including a couple of newly added
drivers:
- The Qualcomm external bus interface 2 (EBI2), used in some of their
mobile phone chips for connecting flash memory, LCD displays or
other peripherals
- Secure monitor firmware for Amlogic SoCs, and an NVMEM driver for
the EFUSE based on that firmware interface.
- Perf support for the AppliedMicro X-Gene performance monitor unit
- Reset driver for STMicroelectronics STM32
- Reset driver for SocioNext UniPhier SoCs
Aside from these, there are minor updates to SoC-specific bus,
clocksource, firmware, pinctrl, reset, rtc and pmic drivers"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (50 commits)
bus: qcom-ebi2: depend on HAS_IOMEM
pinctrl: mvebu: orion5x: Generalise mv88f5181l support for 88f5181
clk: mvebu: Add clk support for the orion5x SoC mv88f5181
dt-bindings: EXYNOS: Add Exynos5433 PMU compatible
clocksource: exynos_mct: Add the support for ARM64
perf: xgene: Add APM X-Gene SoC Performance Monitoring Unit driver
Documentation: Add documentation for APM X-Gene SoC PMU DTS binding
MAINTAINERS: Add entry for APM X-Gene SoC PMU driver
bus: qcom: add EBI2 driver
bus: qcom: add EBI2 device tree bindings
rtc: rtc-pm8xxx: Add support for pm8018 rtc
nvmem: amlogic: Add Amlogic Meson EFUSE driver
firmware: Amlogic: Add secure monitor driver
soc: qcom: smd: Reset rx tail rather than tx
memory: atmel-sdramc: fix a possible NULL dereference
reset: hi6220: allow to compile test driver on other architectures
reset: zynq: add driver Kconfig option
reset: sunxi: add driver Kconfig option
reset: stm32: add driver Kconfig option
reset: socfpga: add driver Kconfig option
...
Here's the "big" char and misc driver update for 4.9-rc1.
Lots of little things here, all over the driver tree for subsystems that
flow through me. Nothing major that I can discern, full details are in
the shortlog.
All have been in the linux-next tree with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here's the "big" char and misc driver update for 4.9-rc1.
Lots of little things here, all over the driver tree for subsystems
that flow through me. Nothing major that I can discern, full details
are in the shortlog.
All have been in the linux-next tree with no reported issues"
* tag 'char-misc-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (144 commits)
drivers/misc/hpilo: Changes to support new security states in iLO5 FW
at25: fix debug and error messaging
misc/genwqe: ensure zero initialization
vme: fake: remove unexpected unlock in fake_master_set()
vme: fake: mark symbols static where possible
spmi: pmic-arb: Return an error code if sanity check fails
Drivers: hv: get rid of id in struct vmbus_channel
Drivers: hv: make VMBus bus ids persistent
mcb: Add a dma_device to mcb_device
mcb: Enable PCI bus mastering by default
mei: stop the stall timer worker if not needed
clk: probe common clock drivers earlier
vme: fake: fix build for 64-bit dma_addr_t
ttyprintk: Neaten and simplify printing
mei: me: add kaby point device ids
coresight: tmc: mark symbols static where possible
coresight: perf: deal with error condition properly
Drivers: hv: hv_util: Avoid dynamic allocation in time synch
fpga manager: Add hardware dependency to Zynq driver
Drivers: hv: utils: Support TimeSync version 4.0 protocol samples.
...
- Coccinelle fixes for atmel-ebi and atmel-sdramc
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Merge tag 'at91-ab-4.9-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/drivers
Pull "at91 drivers for 4.9" from Alexandre Belloni:
- Coccinelle fixes for atmel-ebi and atmel-sdramc
* tag 'at91-ab-4.9-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
memory: atmel-sdramc: fix a possible NULL dereference
memory: atmel-ebi: use PTR_ERR_OR_ZERO() to simplify the code
This is also going to be part of v4.8 and sent as a bugfix,
merging it here to avoid a small conflict against the other
gpmc changes.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
of_match_device could return NULL, and so cause a NULL pointer
dereference later.
For fixing this problem, we use of_device_get_match_data(), this will
simplify the code a little by using a standard function for
getting the match data.
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
We get 2 warnings when biuld kernel with W=1:
drivers/memory/of_memory.c:30:30: warning: no previous prototype for 'of_get_min_tck' [-Wmissing-prototypes]
drivers/memory/of_memory.c:106:30: warning: no previous prototype for 'of_get_ddr_timings' [-Wmissing-prototypes]
In fact, these functions are declared in drivers/memory/of_memory.h
so this patch add missing header dependencies.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We get 1 warning when build kernel with W=1:
drivers/memory/omap-gpmc.c:354:14: warning: no previous prototype for 'gpmc_clk_ticks_to_ns' [-Wmissing-prototypes]
In fact, this function is only used in the file in which it is declared
and don't need a declaration, but can be made static.
so this patch marks it 'static'.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
This saves a few codelines in the driver.
Cc: Roger Quadros <rogerq@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
The gpiochip_free_own_desc() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR.
Generated by coccinelle.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
A recent commit (inadvertently?) changed how failed probe of a gpmc
child node was handled. Instead of proceeding with setting up any other
children as before, a single error now aborts the whole process.
This change broke networking on some Overo boards due to probe failing
for an unrelated nand node. This second issue should obviously be
fixed, but let's restore the old behaviour of allowing child-node
probe to fail to avoid further similar breakage on other systems.
Fixes: d2d00862df ("memory: omap-gpmc: Support general purpose input
for WAITPINs")
Cc: stable@vger.kernel.org # v4.7+
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
NAND:
Updates from Boris:
"""
This pull request contains only one notable change:
* Addition of the MTK NAND controller driver
And a bunch of specific NAND driver improvements/fixes. Here are the
changes that are worth mentioning:
* A few fixes/improvements for the xway NAND controller driver
* A few fixes for the sunxi NAND controller driver
* Support for DMA in the sunxi NAND driver
* Support for the sunxi NAND controller IP embedded in A23/A33 SoCs
* Addition for bitflips detection in erased pages to the brcmnand driver
* Support for new brcmnand IPs
* Update of the OMAP-GPMC binding to support DMA channel description
"""
In addition, some small fixes around error handling, etc., as well as one
long-standing corner case issue (2.6.20, I think?) with writing 1 byte less
than a page.
NOR:
* Rework some error handling on reads and writes, so we can better handle (for
instance) SPI controllers which have limitations on their maximum transfer size
* Add new Cadence Quad SPI flash controller driver
* Add new Atmel QSPI flash controller driver
* Add new Hisilicon SPI flash controller driver
* Support a few new flash, and update supported features on others
* Fix the logic used for detecting a fully-unlocked flash
And other miscellaneous small fixes.
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Merge tag 'for-linus-20160801' of git://git.infradead.org/linux-mtd
Pull MTD updates from Brian Norris:
"NAND:
Quoting Boris:
'This pull request contains only one notable change:
- Addition of the MTK NAND controller driver
And a bunch of specific NAND driver improvements/fixes. Here are the
changes that are worth mentioning:
- A few fixes/improvements for the xway NAND controller driver
- A few fixes for the sunxi NAND controller driver
- Support for DMA in the sunxi NAND driver
- Support for the sunxi NAND controller IP embedded in A23/A33 SoCs
- Addition for bitflips detection in erased pages to the brcmnand driver
- Support for new brcmnand IPs
- Update of the OMAP-GPMC binding to support DMA channel description'
In addition, some small fixes around error handling, etc., as well
as one long-standing corner case issue (2.6.20, I think?) with
writing 1 byte less than a page.
NOR:
- rework some error handling on reads and writes, so we can better
handle (for instance) SPI controllers which have limitations on
their maximum transfer size
- add new Cadence Quad SPI flash controller driver
- add new Atmel QSPI flash controller driver
- add new Hisilicon SPI flash controller driver
- support a few new flash, and update supported features on others
- fix the logic used for detecting a fully-unlocked flash
And other miscellaneous small fixes"
* tag 'for-linus-20160801' of git://git.infradead.org/linux-mtd: (60 commits)
mtd: spi-nor: don't build Cadence QuadSPI on non-ARM
mtd: mtk-nor: remove duplicated include from mtk-quadspi.c
mtd: nand: fix bug writing 1 byte less than page size
mtd: update description of MTD_BCM47XXSFLASH symbol
mtd: spi-nor: Add driver for Cadence Quad SPI Flash Controller
mtd: spi-nor: Bindings for Cadence Quad SPI Flash Controller driver
mtd: nand: brcmnand: Change BUG_ON in brcmnand_send_cmd
mtd: pmcmsp-flash: Allocating too much in init_msp_flash()
mtd: maps: sa1100-flash: potential NULL dereference
mtd: atmel-quadspi: add driver for Atmel QSPI controller
mtd: nand: omap2: fix return value check in omap_nand_probe()
Documentation: atmel-quadspi: add binding file for Atmel QSPI driver
mtd: spi-nor: add hisilicon spi-nor flash controller driver
mtd: spi-nor: support dual, quad, and WP for Gigadevice
mtd: spi-nor: Added support for n25q00a.
memory: Update dependency of IFC for Layerscape
mtd: nand: jz4780: Update MODULE_AUTHOR email address
mtd: nand: sunxi: prevent a small memory leak
mtd: nand: sunxi: add reset line support
mtd: nand: sunxi: update DT bindings
...
Driver updates for ARM SoCs.
A slew of changes this release cycle. The reset driver tree, that we merge
through arm-soc for historical reasons, is also sizable this time around.
Among the changes:
- clps711x: Treewide changes to compatible strings, merged here for simplicity.
- Qualcomm: SCM firmware driver cleanups, move to platform driver
- ux500: Major cleanups, removal of old mach-specific infrastructure.
- Atmel external bus memory driver
- Move of brcmstb platform to the rest of bcm
- PMC driver updates for tegra, various fixes and improvements
- Samsung platform driver updates to support 64-bit Exynos platforms
- Reset controller cleanups moving to devm_reset_controller_register() APIs
- Reset controller driver for Amlogic Meson
- Reset controller driver for Hisilicon hi6220
- ARM SCPI power domain support
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for ARM SoCs.
A slew of changes this release cycle. The reset driver tree, that we
merge through arm-soc for historical reasons, is also sizable this
time around.
Among the changes:
- clps711x: Treewide changes to compatible strings, merged here for simplicity.
- Qualcomm: SCM firmware driver cleanups, move to platform driver
- ux500: Major cleanups, removal of old mach-specific infrastructure.
- Atmel external bus memory driver
- Move of brcmstb platform to the rest of bcm
- PMC driver updates for tegra, various fixes and improvements
- Samsung platform driver updates to support 64-bit Exynos platforms
- Reset controller cleanups moving to devm_reset_controller_register() APIs
- Reset controller driver for Amlogic Meson
- Reset controller driver for Hisilicon hi6220
- ARM SCPI power domain support"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (100 commits)
ARM: ux500: consolidate base platform files
ARM: ux500: move soc_id driver to drivers/soc
ARM: ux500: call ux500_setup_id later
ARM: ux500: consolidate soc_device code in id.c
ARM: ux500: remove cpu_is_u* helpers
ARM: ux500: use CLK_OF_DECLARE()
ARM: ux500: move l2x0 init to .init_irq
mfd: db8500 stop passing around platform data
ASoC: ab8500-codec: remove platform data based probe
ARM: ux500: move ab8500_regulator_plat_data into driver
ARM: ux500: remove unused regulator data
soc: raspberrypi-power: add CONFIG_OF dependency
firmware: scpi: add CONFIG_OF dependency
video: clps711x-fb: Changing the compatibility string to match with the smallest supported chip
input: clps711x-keypad: Changing the compatibility string to match with the smallest supported chip
pwm: clps711x: Changing the compatibility string to match with the smallest supported chip
serial: clps711x: Changing the compatibility string to match with the smallest supported chip
irqchip: clps711x: Changing the compatibility string to match with the smallest supported chip
clocksource: clps711x: Changing the compatibility string to match with the smallest supported chip
clk: clps711x: Changing the compatibility string to match with the smallest supported chip
...
In the updates:
* Big endian support and preparation for defered probing for the
Exynos IOMMU driver
* Simplifications in iommu-group id handling
* Support for Mediatek generation one IOMMU hardware
* Conversion of the AMD IOMMU driver to use the generic IOVA
allocator. This driver now also benefits from the recent
scalability improvements in the IOVA code.
* Preparations to use generic DMA mapping code in the Rockchip
IOMMU driver
* Device tree adaption and conversion to use generic page-table
code for the MSM IOMMU driver
* An iova_to_phys optimization in the ARM-SMMU driver to greatly
improve page-table teardown performance with VFIO
* Various other small fixes and conversions
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Merge tag 'iommu-updates-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
- big-endian support and preparation for defered probing for the Exynos
IOMMU driver
- simplifications in iommu-group id handling
- support for Mediatek generation one IOMMU hardware
- conversion of the AMD IOMMU driver to use the generic IOVA allocator.
This driver now also benefits from the recent scalability
improvements in the IOVA code.
- preparations to use generic DMA mapping code in the Rockchip IOMMU
driver
- device tree adaption and conversion to use generic page-table code
for the MSM IOMMU driver
- an iova_to_phys optimization in the ARM-SMMU driver to greatly
improve page-table teardown performance with VFIO
- various other small fixes and conversions
* tag 'iommu-updates-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (59 commits)
iommu/amd: Initialize dma-ops domains with 3-level page-table
iommu/amd: Update Alias-DTE in update_device_table()
iommu/vt-d: Return error code in domain_context_mapping_one()
iommu/amd: Use container_of to get dma_ops_domain
iommu/amd: Flush iova queue before releasing dma_ops_domain
iommu/amd: Handle IOMMU_DOMAIN_DMA in ops->domain_free call-back
iommu/amd: Use dev_data->domain in get_domain()
iommu/amd: Optimize map_sg and unmap_sg
iommu/amd: Introduce dir2prot() helper
iommu/amd: Implement timeout to flush unmap queues
iommu/amd: Implement flush queue
iommu/amd: Allow NULL pointer parameter for domain_flush_complete()
iommu/amd: Set up data structures for flush queue
iommu/amd: Remove align-parameter from __map_single()
iommu/amd: Remove other remains of old address allocator
iommu/amd: Make use of the generic IOVA allocator
iommu/amd: Remove special mapping code for dma_ops path
iommu/amd: Pass gfp-flags to iommu_map_page()
iommu/amd: Implement apply_dm_region call-back
iommu/amd: Create a list of reserved iova addresses
...
- Removal of most of_platform_populate() calls in arch code. Now the DT
core code calls it in the default case and platforms only need to call
it if they have special needs.
- Use pr_fmt on all the DT core print statements.
- CoreSight binding doc improvements to block name descriptions.
- Add dt_to_config script which can parse dts files and list
corresponding kernel config options.
- Fix memory leak hit with a PowerMac DT.
- Correct a bunch of STMicro compatible strings to use the correct
vendor prefix.
- Fix DA9052 PMIC binding doc to match what is actually used in dts
files.
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Merge tag 'devicetree-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
- remove most of_platform_populate() calls in arch code. Now the DT
core code calls it in the default case and platforms only need to
call it if they have special needs
- use pr_fmt on all the DT core print statements
- CoreSight binding doc improvements to block name descriptions
- add dt_to_config script which can parse dts files and list
corresponding kernel config options
- fix memory leak hit with a PowerMac DT
- correct a bunch of STMicro compatible strings to use the correct
vendor prefix
- fix DA9052 PMIC binding doc to match what is actually used in dts
files
* tag 'devicetree-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (35 commits)
documentation: da9052: Update regulator bindings names to match DA9052/53 DTS expectations
xtensa: Partially Revert "xtensa: Remove unnecessary of_platform_populate with default match table"
xtensa: Fix build error due to missing include file
MIPS: ath79: Add missing include file
Fix spelling errors in Documentation/devicetree
ARM: dts: fix STMicroelectronics compatible strings
powerpc/dts: fix STMicroelectronics compatible strings
Documentation: dt: i2c: use correct STMicroelectronics vendor prefix
scripts/dtc: dt_to_config - kernel config options for a devicetree
of: fdt: mark unflattened tree as detached
of: overlay: add resolver error prints
coresight: document binding acronyms
Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties
of: use pr_fmt prefix for all console printing
of/irq: Mark initialised interrupt controllers as populated
of: fix memory leak related to safe_name()
Revert "of/platform: export of_default_bus_match_table"
of: unittest: use of_platform_default_populate() to populate default bus
memory: omap-gpmc: use of_platform_default_populate() to populate default bus
bus: uniphier-system-bus: use of_platform_default_populate() to populate default bus
...
1. Fix size of allocation for Exynos SROM registers (too much was allocated).
2. Constify fix.
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Merge tag 'samsung-drivers-4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers
Merge "Samsung drivers/soc update for v4.8, part 3" into next/drivers:
1. Fix size of allocation for Exynos SROM registers (too much was allocated).
2. Constify fix.
* tag 'samsung-drivers-4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
soc: samsung: pmu: Constify arrays with PMU data
memory: samsung: exynos-srom: Fix wrong count of registers
This patch enables IFC NAND support on ARM layerscape platform.
It fixes the dependency to enable NAND. The include files are being modified
to ensure complilation for both PowerPC and ARM architectures.
Signed-off-by: Raghav Dogra <raghav.dogra@nxp.com>
Acked-by: Scott Wood <oss@buserror.net>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This patch fixes wrong count of array for SROM registers from probe
function.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
* Make GPMC driver non modular as it is going to
be built-in only till arch/arm/mach-omap2 users
are removed.
* Fix build if CONFIG_OF is not defined.
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Merge tag 'gpmc-omap-for-v4.8' of https://github.com/rogerq/linux into next/drivers
OMAP-GPMC: driver updates for v4.8
* Make GPMC driver non modular as it is going to
be built-in only till arch/arm/mach-omap2 users
are removed.
* Fix build if CONFIG_OF is not defined.
* tag 'gpmc-omap-for-v4.8' of https://github.com/rogerq/linux:
memory: omap-gpmc: Move gpio functions out of #ifdef CONFIG_OF
memory: omap-gpmc: make it explicitly non-modular
Signed-off-by: Olof Johansson <olof@lixom.net>
Use helper of_platform_default_populate() in linux/of_platform
when possible, instead of calling of_platform_populate() with
the default match table.
Acked-by: Roger Quadros <rogerq@ti.com>
Cc: Roger Quadros <rogerq@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Rob Herring <robh@kernel.org>
The Kconfig currently controlling compilation of this code is:
drivers/memory/Kconfig:config ATMEL_EBI
drivers/memory/Kconfig: bool "Atmel EBI driver"
...meaning that it currently is not being built as a module by anyone.
Lets remove the few remaining modular references, so that when reading
the driver there is no doubt it is builtin-only.
Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
We also delete the MODULE_LICENSE tag etc. since all that information
is already contained at the top of the file in the comments.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
The Kconfig for this option is currently:
config ATMEL_SDRAMC
bool "Atmel (Multi-port DDR-)SDRAM Controller"
...meaning that it currently is not being built as a module by anyone.
Lets remove the couple traces of modularity, so that when reading the
driver there is no doubt it is builtin-only.
Since module_init translates to device_initcall in the non-modular
case, the init ordering remains unchanged with this commit. An
alternate init level might be worth considering at a later date.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
We also delete the MODULE_LICENSE tag etc. since all that information
was (or is now) contained at the top of the file in the comments.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Mediatek SMI has two generations of HW architecture, mt8173 uses the
second generation of SMI HW while mt2701 uses the first generation
HW of SMI.
There's slight differences between the two generations, for generation 2,
the register which control the iommu port access PA or IOVA is at each
larb's register base. But for generation 1, the register is at smi ao
base(smi always on register base).
Besides that, the smi async clock should be prepared and enabled for SMI
generation 1 HW to transform the smi clock into emi clock domain, but is
not needed for SMI generation 2.
This patch add SMI driver for mt2701 which use generation 1 SMI HW.
Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
The Kconfig currently controlling compilation of this code is:
memory/samsung/Kconfig:config EXYNOS_SROM
memory/samsung/Kconfig: bool "Exynos SROM controller driver" if COMPILE_TEST
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.
We explicitly disallow a driver unbind, since that doesn't have a
sensible use case anyway, and it allows us to drop the ".remove"
code for non-modular drivers.
Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
We also delete the MODULE_LICENSE tag etc. since all that information
is already contained at the top of the file in the comments.
Cc: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Use the relaxed versions of the IO accessors to avoid any issues
if running in big endian.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
The gpio related functions were mistakenly built only if CONFIG_OF
is defined. They are needed even otherwise and will cause build
failures if CONFIG_OF is not defined. Move the gpio functions
outside #ifdef CONFIG_OF.
Fixes: d2d00862df ("memory: omap-gpmc: Support general purpose input for WAITPINs")
Signed-off-by: Roger Quadros <rogerq@ti.com>
The Kconfig currently controlling compilation of this code is:
drivers/memory/Kconfig:config OMAP_GPMC
drivers/memory/Kconfig: bool
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.
Since module_init was not in use by this code, the init ordering
remains unchanged with this commit.
Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
We don't replace module.h with init.h since the file already has that.
Cc: Roger Quadros <rogerq@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
In the omap gpmc driver it can be noticed that GPMC_CONFIG4_OEEXTRADELAY
is overwritten by the WEEXTRADELAY value from the device tree and
GPMC_CONFIG4_WEEXTRADELAY is not updated by the value from the device
tree.
As a consequence, the memory accesses cannot be configured properly when
the extra delay are needed for OE and WE.
Fix the update of GPMC_CONFIG4_WEEXTRADELAY with the value from the
device tree file and prevents GPMC_CONFIG4_OEXTRADELAY
being overwritten by the WEXTRADELAY value from the device tree.
Cc: stable@vger.kernel.org
Signed-off-by: Ocquidant, Sebastien <sebastienocquidant@eaton.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
for_each_child_of_node() performs an of_node_get() on each iteration, so
to break out of the loop an of_node_put() is required.
Found using Coccinelle. The semantic patch used for this is as follows:
// <smpl>
@@
expression e;
local idexpression n;
@@
for_each_child_of_node(..., n) {
... when != of_node_put(n)
when != e = n
(
return n;
|
+ of_node_put(n);
? return ...;
)
...
}
// </smpl>
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
for_each_child_of_node() performs an of_node_put() on each iteration, so
putting an of_node_put() before a continue results in a double put.
The semantic match that finds this problem is as follows
(http://coccinelle.lip6.fr):
// <smpl>
@@
expression root,e;
local idexpression child;
iterator name for_each_child_of_node;
@@
for_each_child_of_node(root, child) {
... when != of_node_get(child)
* of_node_put(child);
...
* continue;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>
for_each_child_of_node() performs an of_node_get() on each iteration, so
to break out of the loop an of_node_put() is required.
Found using Coccinelle. The semantic patch used for this is as follows:
// <smpl>
@@
expression e;
local idexpression n;
@@
for_each_child_of_node(..., n) {
... when != of_node_put(n)
when != e = n
(
return n;
|
+ of_node_put(n);
? return ...;
)
...
}
// </smpl>
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The EBI (External Bus Interface) is used to access external peripherals
(NOR, SRAM, NAND, and other specific devices like ethernet controllers).
Each device is assigned a CS line and an address range and can have its
own configuration (timings, access mode, bus width, ...).
This driver provides a generic DT binding to configure a device according
to its requirements.
For specific device controllers (like the NAND one) the SMC timings
should be configured by the controller driver through the matrix and
smc syscon regmaps.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Linus Torvalds