Use PM suspend callbacks from msm core, without this the hog_sleep
pins don't change state in suspend.
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1632389487-11283-1-git-send-email-rnayak@codeaurora.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The separation of pinctrl and gpio drivers created a tiny window where
a pinconfig setting might produce a null-pointer dereference.
The affected device were rk3288-veyron devices in this case.
Pinctrl-hogs are claimed when the pinctrl driver is registered,
at which point their pinconfig settings will be applied.
At this time the now separate gpio devices will not have been created
yet and the matching driver won't have probed yet, making the gpio->foo()
call run into a null-ptr.
As probing is not really guaranteed to have been completed at a specific
time, introduce a queue that can hold the output settings until the gpio
driver has probed and will (in a separate patch) fetch the elements
of the list.
We expect the gpio driver to empty the list, but will nevertheless empty
it ourself on remove if that didn't happen.
Fixes: 9ce9a02039 ("pinctrl/rockchip: drop the gpio related codes")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20210913224926.1260726-4-heiko@sntech.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
pmic_gpio_child_to_parent_hwirq() and
gpiochip_populate_parent_fwspec_fourcell() translate a pinctrl-
spmi-gpio irqspec to an SPMI controller irqspec. When they do
this, they use a fixed SPMI slave ID of 0 and a fixed GPIO
peripheral offset of 0xC0 (corresponding to SPMI address 0xC000).
This translation results in an incorrect irqspec for secondary
PMICs that don't have a slave ID of 0 as well as for PMIC chips
which have GPIO peripherals located at a base address other than
0xC000.
Correct this issue by passing the slave ID of the pinctrl-spmi-
gpio device's parent in the SPMI controller irqspec and by
calculating the peripheral ID base from the device tree 'reg'
property of the pinctrl-spmi-gpio device.
Signed-off-by: David Collins <collinsd@codeaurora.org>
Signed-off-by: satya priya <skakit@codeaurora.org>
Fixes: ca69e2d165 ("qcom: spmi-gpio: add support for hierarchical IRQ chip")
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1631798498-10864-2-git-send-email-skakit@codeaurora.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Enable/disable power management wakeup mode, which is disabled by
default. enable_irq_wake enables wakes the system from sleep.
Hence added enable/disable irq_wake to handle wake-up interrupt.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20210831120613.1514899-3-Basavaraj.Natikar@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
pinctrl_amd use gpiochip_get_data() to get their local state containers
back from the gpiochip passed as amd_gpio chip data.
Hence added irq field data to get directly using amd_gpio chip data.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20210831120613.1514899-2-Basavaraj.Natikar@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Add -s option (strict mode) to merge_config.sh to make it fail when
any symbol is redefined.
- Show a warning if a different compiler is used for building external
modules.
- Infer --target from ARCH for CC=clang to let you cross-compile the
kernel without CROSS_COMPILE.
- Make the integrated assembler default (LLVM_IAS=1) for CC=clang.
- Add <linux/stdarg.h> to the kernel source instead of borrowing
<stdarg.h> from the compiler.
- Add Nick Desaulniers as a Kbuild reviewer.
- Drop stale cc-option tests.
- Fix the combination of CONFIG_TRIM_UNUSED_KSYMS and CONFIG_LTO_CLANG
to handle symbols in inline assembly.
- Show a warning if 'FORCE' is missing for if_changed rules.
- Various cleanups
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Merge tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add -s option (strict mode) to merge_config.sh to make it fail when
any symbol is redefined.
- Show a warning if a different compiler is used for building external
modules.
- Infer --target from ARCH for CC=clang to let you cross-compile the
kernel without CROSS_COMPILE.
- Make the integrated assembler default (LLVM_IAS=1) for CC=clang.
- Add <linux/stdarg.h> to the kernel source instead of borrowing
<stdarg.h> from the compiler.
- Add Nick Desaulniers as a Kbuild reviewer.
- Drop stale cc-option tests.
- Fix the combination of CONFIG_TRIM_UNUSED_KSYMS and CONFIG_LTO_CLANG
to handle symbols in inline assembly.
- Show a warning if 'FORCE' is missing for if_changed rules.
- Various cleanups
* tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits)
kbuild: redo fake deps at include/ksym/*.h
kbuild: clean up objtool_args slightly
modpost: get the *.mod file path more simply
checkkconfigsymbols.py: Fix the '--ignore' option
kbuild: merge vmlinux_link() between ARCH=um and other architectures
kbuild: do not remove 'linux' link in scripts/link-vmlinux.sh
kbuild: merge vmlinux_link() between the ordinary link and Clang LTO
kbuild: remove stale *.symversions
kbuild: remove unused quiet_cmd_update_lto_symversions
gen_compile_commands: extract compiler command from a series of commands
x86: remove cc-option-yn test for -mtune=
arc: replace cc-option-yn uses with cc-option
s390: replace cc-option-yn uses with cc-option
ia64: move core-y in arch/ia64/Makefile to arch/ia64/Kbuild
sparc: move the install rule to arch/sparc/Makefile
security: remove unneeded subdir-$(CONFIG_...)
kbuild: sh: remove unused install script
kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y
kbuild: Switch to 'f' variants of integrated assembler flag
kbuild: Shuffle blank line to improve comment meaning
...
no core changes at all this time, just driver work!
New drivers:
- New subdriver for Intel Keem Bay (an ARM-based SoC)
- New subdriver for Qualcomm MDM9607 and SM6115
- New subdriver for ST Microelectronics STM32MP135
- New subdriver for Freescale i.MX8ULP ("Ultra Low Power")
- New subdriver for Ingenic X2100
- Support for Qualcomm PMC8180, PMC8180C, SA8155p-adp PMIC GPIO
- Support Samsung Exynos850
- Support Renesas RZ/G2L
Enhancements:
- A major refactoring of the Rockchip driver, breaking part of it out
to a separate GPIO driver in drivers/gpio
- Pin bias support on Renesas r8a77995
- Add SCI pins support to Ingenic JZ4755 and JZ4760
- Mediatek device tree bindings converted to YAML
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Merge tag 'pinctrl-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v5.15 kernel cycle, no
core changes at all this time, just driver work!
New drivers:
- New subdriver for Intel Keem Bay (an ARM-based SoC)
- New subdriver for Qualcomm MDM9607 and SM6115
- New subdriver for ST Microelectronics STM32MP135
- New subdriver for Freescale i.MX8ULP ("Ultra Low Power")
- New subdriver for Ingenic X2100
- Support for Qualcomm PMC8180, PMC8180C, SA8155p-adp PMIC GPIO
- Support Samsung Exynos850
- Support Renesas RZ/G2L
Enhancements:
- A major refactoring of the Rockchip driver, breaking part of it out
to a separate GPIO driver in drivers/gpio
- Pin bias support on Renesas r8a77995
- Add SCI pins support to Ingenic JZ4755 and JZ4760
- Mediatek device tree bindings converted to YAML"
* tag 'pinctrl-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (53 commits)
pinctrl: renesas: Add RZ/G2L pin and gpio controller driver
pinctrl: samsung: Add Exynos850 SoC specific data
dt-bindings: pinctrl: samsung: Add Exynos850 doc
MAINTAINERS: Add maintainers for amd-pinctrl driver
pinctrl: Add Intel Keem Bay pinctrl driver
dt-bindings: pinctrl: Add bindings for Intel Keembay pinctrl driver
pinctrl: zynqmp: Drop pinctrl_unregister for devm_ registered device
dt-bindings: pinctrl: qcom-pmic-gpio: Remove the interrupts property
dt-bindings: pinctrl: qcom-pmic-gpio: Convert qcom pmic gpio bindings to YAML
dt-bindings: pinctrl: mt8195: Use real world values for drive-strength arguments
dt-bindings: mediatek: convert pinctrl to yaml
arm: dts: mt8183: Move pinfunc to include/dt-bindings/pinctrl
arm: dts: mt8135: Move pinfunc to include/dt-bindings/pinctrl
pinctrl: ingenic: Add .max_register in regmap_config
pinctrl: ingenic: Fix bias config for X2000(E)
pinctrl: ingenic: Fix incorrect pull up/down info
pinctrl: Ingenic: Add pinctrl driver for X2100.
dt-bindings: pinctrl: Add bindings for Ingenic X2100.
pinctrl: Ingenic: Add SSI pins support for JZ4755 and JZ4760.
pinctrl: Ingenic: Improve the code.
...
Core changes:
- The usual set of small fixes and improvements all over the place, but nothing
outstanding
MSI changes:
- Further consolidation of the PCI/MSI interrupt chip code
- Make MSI sysfs code independent of PCI/MSI and expose the MSI interrupts
of platform devices in the same way as PCI exposes them.
Driver changes:
- Support for ARM GICv3 EPPI partitions
- Treewide conversion to generic_handle_domain_irq() for all chained
interrupt controllers
- Conversion to bitmap_zalloc() throughout the irq chip drivers
- The usual set of small fixes and improvements
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Merge tag 'irq-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates to the interrupt core and driver subsystems:
Core changes:
- The usual set of small fixes and improvements all over the place,
but nothing stands out
MSI changes:
- Further consolidation of the PCI/MSI interrupt chip code
- Make MSI sysfs code independent of PCI/MSI and expose the MSI
interrupts of platform devices in the same way as PCI exposes them.
Driver changes:
- Support for ARM GICv3 EPPI partitions
- Treewide conversion to generic_handle_domain_irq() for all chained
interrupt controllers
- Conversion to bitmap_zalloc() throughout the irq chip drivers
- The usual set of small fixes and improvements"
* tag 'irq-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
platform-msi: Add ABI to show msi_irqs of platform devices
genirq/msi: Move MSI sysfs handling from PCI to MSI core
genirq/cpuhotplug: Demote debug printk to KERN_DEBUG
irqchip/qcom-pdc: Trim unused levels of the interrupt hierarchy
irqdomain: Export irq_domain_disconnect_hierarchy()
irqchip/gic-v3: Fix priority comparison when non-secure priorities are used
irqchip/apple-aic: Fix irq_disable from within irq handlers
pinctrl/rockchip: drop the gpio related codes
gpio/rockchip: drop irq_gc_lock/irq_gc_unlock for irq set type
gpio/rockchip: support next version gpio controller
gpio/rockchip: use struct rockchip_gpio_regs for gpio controller
gpio/rockchip: add driver for rockchip gpio
dt-bindings: gpio: change items restriction of clock for rockchip,gpio-bank
pinctrl/rockchip: add pinctrl device to gpio bank struct
pinctrl/rockchip: separate struct rockchip_pin_bank to a head file
pinctrl/rockchip: always enable clock for gpio controller
genirq: Fix kernel doc indentation
EDAC/altera: Convert to generic_handle_domain_irq()
powerpc: Bulk conversion to generic_handle_domain_irq()
nios2: Bulk conversion to generic_handle_domain_irq()
...
Delete/fixup few includes in anticipation of global -isystem compile
option removal.
Note: crypto/aegis128-neon-inner.c keeps <stddef.h> due to redefinition
of uintptr_t error (one definition comes from <stddef.h>, another from
<linux/types.h>).
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
1. Fix number of pins in one GPIO pin bank.
2. Add support for Exynos850 SoC (Exynos3830).
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Merge tag 'samsung-pinctrl-5.15' of https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung into devel
Samsung pinctrl drivers changes for v5.15
1. Fix number of pins in one GPIO pin bank.
2. Add support for Exynos850 SoC (Exynos3830).
With the patch to separate the gpio driver from the pinctrl driver, now
the pinctrl-rockchip can drop the gpio related codes now.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Link: https://lore.kernel.org/r/20210816012146.1119289-1-jay.xu@rock-chips.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Store register offsets in the struct rockchip_gpio_regs, this patch
prepare for the driver update for new gpio controller.
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Link: https://lore.kernel.org/r/20210816012111.1119125-1-jay.xu@rock-chips.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Separate struct rockchip_pin_bank to pinctrl-rockchip.h file, which will
be used by gpio-rockchip driver in the future.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Link: https://lore.kernel.org/r/20210816011948.1118959-3-jay.xu@rock-chips.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since gate and ungate pclk of gpio has very litte benifit for system
power consumption, just keep it always ungate.
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Link: https://lore.kernel.org/r/20210816011948.1118959-2-jay.xu@rock-chips.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Add pin control and GPIO support for the new RZ/G2L SoC.
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Merge tag 'renesas-pinctrl-for-v5.15-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: renesas: Updates for v5.15 (take two)
- Add pin control and GPIO support for the new RZ/G2L SoC.
Add support for pin and gpio controller driver for RZ/G2L SoC.
Based on a patch in the BSP by Hien Huynh <hien.huynh.px@renesas.com>.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210727112328.18809-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add Samsung Exynos850 SoC specific data to enable pinctrl support for
all platforms based on Exynos850.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20210811114827.27322-3-semen.protsenko@linaro.org
[krzysztof: lower-case the hex-numbers]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Wherever possible, replace constructs that match either
generic_handle_irq(irq_find_mapping()) or
generic_handle_irq(irq_linear_revmap()) to a single call to
generic_handle_domain_irq().
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
About Intel Keem Bay:
-------------------
Intel Keem Bay is a computer vision AI accelerator SoC based on ARM CPU.
Documentation of Keem Bay: Documentation/vpu/vpu-stack-overview.rst.
Pinctrl IP:
----------
The SoC has a customised pinmux controller IP which controls pin
multiplexing and configuration.
Keem Bay pinctrl IP is not based on and have nothing in common with the
existing pinctrl drivers. The registers used are incompatible with the
existing drivers, so it requires a new driver.
Add pinctrl driver to enable pin control support in the Intel Keem Bay SoC.
Co-developed-by: Vineetha G. Jaya Kumaran <vineetha.g.jaya.kumaran@intel.com>
Signed-off-by: Vineetha G. Jaya Kumaran <vineetha.g.jaya.kumaran@intel.com>
Co-developed-by: Vijayakannan Ayyathurai <vijayakannan.ayyathurai@intel.com>
Signed-off-by: Vijayakannan Ayyathurai <vijayakannan.ayyathurai@intel.com>
Signed-off-by: Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
Reviewed-by: Mark Gross <mgross@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210806142527.29113-3-lakshmi.sowjanya.d@intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Fix the software mapping of GPIOs on Intel Tiger Lake-H
The following is an automated git shortlog grouped by driver:
tigerlake:
- Fix GPIO mapping for newer version of software
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Merge tag 'intel-pinctrl-v5.14-2' of gitolite.kernel.org:pub/scm/linux/kernel/git/pinctrl/intel into fixes
intel-pinctrl for v5.14-2
* Fix the software mapping of GPIOs on Intel Tiger Lake-H
The following is an automated git shortlog grouped by driver:
tigerlake:
- Fix GPIO mapping for newer version of software
It's not necessary to unregister pin controller device registered
with devm_pinctrl_register() and using pinctrl_unregister() leads
to a double free.
Fixes: fa99e70138 ("pinctrl: zynqmp: some code cleanups")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20210729071905.3235953-1-yangyingliang@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
In k210_fpioa_probe(), add missing calls to clk_disable_unprepare() in
case of error after cenabling the clk and pclk clocks. Also add missing
error handling when enabling pclk.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: d4c34d09ab ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Link: https://lore.kernel.org/r/20210806004311.52859-1-damien.lemoal@wdc.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Compute the max register from the GPIO chip offset and number of GPIO
chips.
This permits to read all registers from debugfs.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: 周琰杰 (Zhou Yanjie)<zhouyanjie@wanyeetech.com>
Link: https://lore.kernel.org/r/20210717174836.14776-3-paul@crapouillou.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The ingenic_set_bias() function's "bias" argument is not a
"enum pin_config_param", so its value should not be compared against
values of that enum.
This should fix the bias config not working on the X2000(E) SoCs.
Fixes: 943e0da153 ("pinctrl: Ingenic: Add pinctrl driver for X2000.")
Cc: <stable@vger.kernel.org> # v5.12
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: 周琰杰 (Zhou Yanjie)<zhouyanjie@wanyeetech.com>
Link: https://lore.kernel.org/r/20210717174836.14776-2-paul@crapouillou.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fix the pull up/down info for both the JZ4760 and JZ4770 SoCs, as the
previous values sometimes contradicted what's written in the programming
manual.
Fixes: b5c23aa465 ("pinctrl: add a pinctrl driver for the Ingenic jz47xx SoCs")
Cc: <stable@vger.kernel.org> # v4.12
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: 周琰杰 (Zhou Yanjie)<zhouyanjie@wanyeetech.com>
Link: https://lore.kernel.org/r/20210717174836.14776-1-paul@crapouillou.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1.Rename the original "dmicx" ABIs to "dmic-ifx", since these devices
have only one DMIC module which has multiple input interfaces. The
original naming is easy to make users mistakenly think that the
device has multiple dmic modules. Currently, in the mainline, no
other devicetree out there is using the "sfc" ABI, so we should be
able to replace it safely.
2.Rename the original "ssix-ce0" ABIs to "ssix-ce", since the X2000
have only one ce pin. The original naming is easy to make users
mistakenly think that the device has multiple ce pins. Currently,
in the mainline, no other devicetree out there is using the
"ssix-ce0" ABIs, so we should be able to replace it safely.
3.Split the original "sfc" ABI into "sfc-data", "sfc-ce", "sfc-clk"
to increase the flexibility when configuring the pins. Currently,
in the mainline, no other devicetree out there is using the "sfc"
ABI, so we should be able to replace it safely.
4.There is more than one compatible string in the match table, so
renaming "ingenic_xxxx_of_match[]" to "ingenic_xxxx_of_matches"
is more reasonable, and remove the unnecessary commas in
"ingenic_gpio_of_matches[]" to reduce code size as much as possible.
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Link: https://lore.kernel.org/r/1627108604-91304-2-git-send-email-zhouyanjie@wanyeetech.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Eliminate kernel-doc warnings in drivers/pinctrl/aspeed by using
proper kernel-doc notation.
Fixes these kernel-doc warnings:
drivers/pinctrl/aspeed/pinmux-aspeed.c:61: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Query the enabled or disabled state for a mux function's signal on a pin
drivers/pinctrl/aspeed/pinctrl-aspeed.c:135: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Search for the signal expression needed to enable the pin's signal for the
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Aditya Srivastava <yashsri421@gmail.com>
Cc: Andrew Jeffery <andrew@aj.id.au>
Cc: linux-aspeed@lists.ozlabs.org
Cc: openbmc@lists.ozlabs.org
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
Acked-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210723034840.8752-1-rdunlap@infradead.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When we are building all the various pinctrl structures for the
Allwinner pinctrl devices, we do some estimation about the maximum
number of distinct function (names) that we will need.
So far we take the number of pins as an upper bound, even though we
can actually have up to four special functions per pin. This wasn't a
problem until now, since we indeed have typically far more pins than
functions, and most pins share common functions.
However the H616 "-r" pin controller has only two pins, but four
functions, so we run over the end of the array when we are looking for
a matching function name in sunxi_pinctrl_add_function - there is no
NULL sentinel left that would terminate the loop:
[ 8.200648] Unable to handle kernel paging request at virtual address fffdff7efbefaff5
[ 8.209179] Mem abort info:
....
[ 8.368456] Call trace:
[ 8.370925] __pi_strcmp+0x90/0xf0
[ 8.374559] sun50i_h616_r_pinctrl_probe+0x1c/0x28
[ 8.379557] platform_probe+0x68/0xd8
Do an actual worst case allocation (4 functions per pin, three common
functions and the sentinel) for the initial array allocation. This is
now heavily overestimating the number of functions in the common case,
but we will reallocate this array later with the actual number of
functions, so it's only temporarily.
Fixes: 561c1cf17c ("pinctrl: sunxi: Add support for the Allwinner H616-R pin controller")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210722132548.22121-1-andre.przywara@arm.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Casting a small array of u8 to an unsigned long is *never* OK:
- it does funny thing when the array size is less than that of a long,
as it accesses random places in the stack
- it makes everything even more fun with a BE kernel
Fix this by building the unsigned long used as a bitmap byte by byte,
in a way that works across endianess and has no undefined behaviours.
An extra BUILD_BUG_ON() catches the unlikely case where the array
would be larger than a single unsigned long.
Fixes: 1490d9f841 ("pinctrl: Add STMFX GPIO expander Pinctrl/GPIO driver")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
Cc: Amelie Delaunay <amelie.delaunay@foss.st.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Link: https://lore.kernel.org/r/20210725180830.250218-1-maz@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
STM32MP135 SoC embeds 9 GPIO banks of 16 gpios each. Those GPIO
banks contain same features as STM32MP157 GPIO banks except that
each GPIO line of the STM32MP135 can be secured.
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Acked-by: Arnd Bergmann <arnd@arndb.de
Link: https://lore.kernel.org/r/20210723132810.25728-3-alexandre.torgue@foss.st.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The value of pcs->flags is not overwritten in function
pcs_parse_bits_in_pinctrl_entry() and its subfunctions, so moving this
check to the beginning of the function eliminates unnecessary rollback
operations.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20210722033930.4034-3-thunder.leizhen@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fix to return -ENOTSUPP instead of 0 when PCS_HAS_PINCONF is true, which
is the same as that returned in pcs_parse_pinconf().
Fixes: 4e7e8017a8 ("pinctrl: pinctrl-single: enhance to configure multiple pins of different modules")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210722033930.4034-2-thunder.leizhen@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The SC8180x platform comes with PMC8180 and PMC8180c, add support for
the GPIO controller in these PMICs.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210629003851.1787673-1-bjorn.andersson@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The software mapping for GPIO, which initially comes from Microsoft,
is subject to change by respective Windows and firmware developers.
Due to the above the driver had been written and published way ahead
of the schedule, and thus the numbering schema used in it is outdated.
Fix the numbering schema in accordance with the real products on market.
Fixes: 653d96455e ("pinctrl: tigerlake: Add support for Tiger Lake-H")
Reported-and-tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Reported-by: Riccardo Mori <patacca@autistici.org>
Reported-and-tested-by: Lovesh <lovesh.bond@gmail.com>
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=213463
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=213579
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=213857
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Commit 1abd18d1a5 ("pinctrl: samsung: Register pinctrl before GPIO")
changes the order of GPIO and pinctrl registration: now pinctrl is
registered before GPIO. That means gpio_chip->ngpio is not set when
samsung_pinctrl_register() called, and one cannot rely on that value
anymore. Use `pin_bank->nr_pins' instead of `pin_bank->gpio_chip.ngpio'
to fix mentioned inconsistency.
Fixes: 1abd18d1a5 ("pinctrl: samsung: Register pinctrl before GPIO")
Signed-off-by: Jaehyoung Choi <jkkkkk.choi@samsung.com>
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20210730192905.7173-1-semen.protsenko@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Based on CAF implementation with egpio/wake_reg support removed.
Similar function names were merged to reduce total number of functions.
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210723192352.546902-3-iskren.chernev@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Add bias support for the R-Car D3 SoC,
- Miscellaneous fixes and improvements.
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Merge tag 'renesas-pinctrl-for-v5.15-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: renesas: Updates for v5.15
- Add bias support for the R-Car D3 SoC,
- Miscellaneous fixes and improvements.
The imx_pinctrl_soc_info structure content is never changed, so it can be
declared as 'const', like it is done on all other i.MX pinctrl drivers.
Make it 'const' in this driver too.
Reported-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210716131341.3370620-1-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The imx_pinctrl_soc_info structure content is never changed, so it can be
declared as 'const', like it is done on all other i.MX pinctrl drivers.
Make it 'const' in this driver too.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Link: https://lore.kernel.org/r/20210713122513.3112941-2-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The imx_pinctrl_soc_info structure content is never changed, so it can be
declared as 'const', like it is done on all other i.MX pinctrl drivers.
Make it 'const' in this driver too.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Link: https://lore.kernel.org/r/20210713122513.3112941-1-festevam@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
