A coccicheck run provided information like the following:
drivers/pinctrl/sirf/pinctrl-sirf.c:798:2-8: ERROR: missing put_device;
call of_find_device_by_node on line 792, but without a corresponding
object release within this function.
Generated by: scripts/coccinelle/free/put_device.cocci
Thus add a jump target to fix the exception handling for this
function implementation.
Fixes: 5130216265 ("PINCTRL: SiRF: add GPIO and GPIO irq support in CSR SiRFprimaII")
Signed-off-by: yu kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20200603013532.755220-1-yukuai3@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When 'pinctrl_register()' has been turned into 'devm_pinctrl_register()',
an error handling path has not been updated.
Axe a now unneeded 'pinctrl_unregister()'.
Fixes: e55e025d16 ("pinctrl: imxl: Use devm_pinctrl_register() for pinctrl registration")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20200530201952.585798-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Leverage the IRQCHIP_MASK_ON_SUSPEND flag in order to avoid having to
specifically treat the GPIO interrupts during suspend and resume, and
simply implement an irq_set_wake() callback that is responsible for
enabling the parent wake-up interrupt as a wake-up interrupt.
To avoid allocating unnecessary resources for other chips, the wake-up
interrupts are only initialized if we have a brcm,bcm7211-gpio
compatibility string.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200531001101.24945-5-f.fainelli@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The BCM7211 SoC uses the same pinconf_ops as the ones defined for the
BCM2711 SoC, match the compatible string and use the correct set of
options.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200531001101.24945-4-f.fainelli@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
BCM7211 supports wake-up interrupts in the form of optional interrupt
lines, one per bank, plus the "all banks" interrupt line.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200531001101.24945-3-f.fainelli@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Driver use interrupt-parent field so update the bindings to allow it.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200513145935.22493-15-benjamin.gaignard@st.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.
Fixes: 4b024225c4 ("pinctrl: use devm_platform_ioremap_resource() to simplify code")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Link: https://lore.kernel.org/r/1590234326-2194-1-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
- Add support for the new RZ/G1H (r8a7742) SoC,
- Minor fixes and improvements.
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Merge tag 'sh-pfc-for-v5.8-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: sh-pfc: Updates for v5.8 (take two)
- Add support for the new RZ/G1H (r8a7742) SoC,
- Minor fixes and improvements.
Two fixes for S5Pv210 pinctrl driver: setting proper external interrupt
wakeup mask and restoring external interrupt mask value after system
suspend.
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Merge tag 'samsung-pinctrl-5.8' of https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung into devel
Samsung pinctrl drivers changes for v5.8
Two fixes for S5Pv210 pinctrl driver: setting proper external interrupt
wakeup mask and restoring external interrupt mask value after system
suspend.
This adds documentation for the "compatible" value designated for Sparx5
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Link: https://lore.kernel.org/r/20200513125532.24585-8-lars.povlsen@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This fixes a problem with using the GPIO as an interrupt on Jaguar2
(and similar), as the register layout of the platforms with 64 GPIO's
are pairwise, such that the original offset must be multiplied with
the platform stride.
Fixes: da801ab56a pinctrl: ocelot: add MSCC Jaguar2 support.
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Link: https://lore.kernel.org/r/20200513125532.24585-4-lars.povlsen@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch removes the instance number from the "miim", "reco_clk" and
"sfp" pin function.
The change needed is to prepare the driver for adding new platforms
with more of these instances. The instance number is also redundant,
as this is implicit for each pin.
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Link: https://lore.kernel.org/r/20200513125532.24585-3-lars.povlsen@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This fixes the situation where the GPIO controller is not
used as an interrupt controller as well.
Previously, the driver would silently fail to register even the
GPIO's. With this change, the driver will only register as an
interrupt controller if a parent interrupt is provided.
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Link: https://lore.kernel.org/r/20200513125532.24585-2-lars.povlsen@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Rockchip dtsi and dts files have been bulk-converted for the
remaining raw gpio numbers into their descriptive counterparts and
also got rid of the unhelpful RK_FUNC_x -> x and RK_GPIOx -> x
mappings, so update the example as well.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200512203524.7317-2-jbx6244@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Currently the AMD pin controller driver supports ACPI platform only.
Make the PINCTRL_AMD config symbol depend on ACPI, to avoid asking the
user about it when configuring a kernel without ACPI support.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200507113751.24213-1-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Equilibrium pin controller is only present on Intel Lightning
Mountain SoCs. Add an architecture dependency to the
PINCTRL_EQUILIBRIUM config symbol, to avoid asking the user about it
when configuring a kernel for a non-x86 architecture.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200507113626.24026-2-geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Introduce GPIO driver for Jasper Lake
* Fix long standing bug in Sunrisepoint-H PAD locking code
* Enable pin configuration setting for GPIO chip for Baytrail
* Work around race condition in Cherriview hardware when handle IRQ
* Clean up Cherryview code to be closer to other drivers
The following is an automated git shortlog grouped by driver:
baytrail:
- Use platform_get_irq_optional() explicitly
- Enable pin configuration setting for GPIO chip
cannonlake:
- Use generic flag for special GPIO base treatment
cherryview:
- Add missing spinlock usage in chv_gpio_irq_handler
- Use GENMASK() consistently
- Re-use data structures from pinctrl-intel.h (part 2)
icelake:
- Use generic flag for special GPIO base treatment
intel:
- Move npins closer to pin_base in struct intel_community
- Update description in struct intel_community
- Add Intel Jasper Lake pin controller support
- Introduce new flag to force GPIO base to be 0
- Introduce common flags for GPIO mapping scheme
lynxpoint:
- Use platform_get_irq_optional() explicitly
sunrisepoint:
- Fix PAD lock register offset for SPT-H
tigerlake:
- Use generic flag for special GPIO base treatment
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Merge tag 'intel-pinctrl-v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into devel
intel-pinctrl for v5.8-1
* Introduce GPIO driver for Jasper Lake
* Fix long standing bug in Sunrisepoint-H PAD locking code
* Enable pin configuration setting for GPIO chip for Baytrail
* Work around race condition in Cherriview hardware when handle IRQ
* Clean up Cherryview code to be closer to other drivers
The following is an automated git shortlog grouped by driver:
baytrail:
- Use platform_get_irq_optional() explicitly
- Enable pin configuration setting for GPIO chip
cannonlake:
- Use generic flag for special GPIO base treatment
cherryview:
- Add missing spinlock usage in chv_gpio_irq_handler
- Use GENMASK() consistently
- Re-use data structures from pinctrl-intel.h (part 2)
icelake:
- Use generic flag for special GPIO base treatment
intel:
- Move npins closer to pin_base in struct intel_community
- Update description in struct intel_community
- Add Intel Jasper Lake pin controller support
- Introduce new flag to force GPIO base to be 0
- Introduce common flags for GPIO mapping scheme
lynxpoint:
- Use platform_get_irq_optional() explicitly
sunrisepoint:
- Fix PAD lock register offset for SPT-H
tigerlake:
- Use generic flag for special GPIO base treatment
Renesas RZ/G1H (R8A7742) is pin compatible with R-Car H2 (R8A7790),
however it doesn't have several automotive specific peripherals. Add
automotive-specific pin groups/functions along with common pin
groups/functions for supporting both r8a7790 and r8a7742 SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1588542414-14826-3-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
In function rockchip_dt_node_to_map, a new_map variable is
allocated by:
new_map = devm_kcalloc(pctldev->dev, map_num, sizeof(*new_map),
GFP_KERNEL);
This uses devres and attaches new_map to the pinctrl driver.
This cause a leak since new_map is not released when the probed
driver is removed. Fix it by using kcalloc to allocate new_map
and free it in `rockchip_dt_free_map`
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20200506100903.15420-1-dafna.hirschfeld@collabora.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Kbuild warns when this file is built as a loadable module:
WARNING: modpost: missing MODULE_LICENSE() in drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.o
see include/linux/module.h for more information
Add the missing license/author/description tags.
Fixes: 8174a8512e ("pinctrl: mediatek: make MediaTek pinctrl v2 driver ready for buidling loadable module")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20200505140848.554957-1-arnd@arndb.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
These are called when a GPIO is to be used as IRQ.
Without these custom callbacks, when an interrupt is requested directly
and not through gpiod_to_irq(), the request fails because the GPIO is
not necesarily in input mode. These callbacks simply enforce that the
requested GPIO is in input mode.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20200503164549.163884-1-paul@crapouillou.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Hulk robot reports these build warnings:
drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c:899:20: warning:
‘sbag_groups’ defined but not used [-Wunused-const-variable=]
DB8500_FUNC_GROUPS(sbag, "sbag_oc2_1", "sbag_oc4_1");
^
drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c:570:23: warning:
‘ipgpio6_c_2_pins’ defined but not used [-Wunused-const-variable=]
static const unsigned ipgpio6_c_2_pins[] = { DB8500_PIN_G3 };
^~~~~~~~~~~~~~~~
drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c:472:23: warning:
‘mc1dir_a_1_pins’ defined but not used [-Wunused-const-variable=]
static const unsigned mc1dir_a_1_pins[] = { DB8500_PIN_AH13,
DB8500_PIN_AG12,
^~~~~~~~~~~~~~~
drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c:453:23: warning:
‘modem_a_1_pins’ defined but not used [-Wunused-const-variable=]
static const unsigned modem_a_1_pins[] = { DB8500_PIN_D22,
DB8500_PIN_C23,
^~~~~~~~~~~~~~
drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c:430:23: warning:
‘kpskaskb_a_1_pins’ defined but not used [-Wunused-const-variable=]
static const unsigned kpskaskb_a_1_pins[] = { DB8500_PIN_D17,
DB8500_PIN_D16 };
^~~~~~~~~~~~~~~~~
They are just very old bugs in seldomly used pin groups.
Fix the problem by using the pins and referencing the
function.
Reported-by: Hulk Robot <hulkci@huawei.com>
Reported-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Hulk robot reports an usused varible:
drivers/pinctrl/nomadik/pinctrl-ab8505.c:137:23: warning:
‘gpio50_a_1_pins’ defined but not used [-Wunused-const-variable=]
static const unsigned gpio50_a_1_pins[] = { AB8505_PIN_L4 };
^~~~~~~~~~~~~~~
This variable actually should be used. Probably an oversight
by the driver author.
Cc: Patrice Chotard <patrice.chotard@st.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Reported-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The 'pwm37' is not added to bm1880_pctrl_groups, which triggers a gcc
build warning:
drivers/pinctrl/pinctrl-bm1880.c:263:27: warning: ‘pwm37_pins’ defined
but not used [-Wunused-const-variable=]
static const unsigned int pwm37_pins[] = { 110 };
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200428115543.33379-1-yanaijie@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Use gpiochip_generic_config for the gpio_chip's set_config callback so
GPIO flags like GPIO_PULL_UP or GPIO_PULL_DOWN can be used in the board
.dts descriptions.
This is required for some Meson8m2 boards where GPIO_BSD_EN provides the
"MUTE" signal and requires enabling the internal pull-up resistor.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20200417183349.1283092-3-martin.blumenstingl@googlemail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Implement the get_direction callback so we read the direction from the
actual GPIO controller register. This is recommended by the gpio_chip
kernel doc.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20200417183349.1283092-2-martin.blumenstingl@googlemail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Currently, for EINT_TYPE GPIOs, the CON and FLTCON registers
are saved and restored over a suspend/resume cycle. However, the
EINT_MASK registers are not.
On S5PV210 at the very least, these registers are not retained over
suspend, leading to the interrupts remaining masked upon resume and
therefore no interrupts being triggered for the device. There should
be no effect on any SoCs that do retain these registers as theoretically
we would just be re-writing what was already there.
Fixes: 7ccbc60cd9 ("pinctrl: exynos: Handle suspend/resume of GPIO EINT registers")
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
It's common across the drivers to use the (pin_base, npins) pair to describe
community characteristics. Thus, move them in the struct intel_community
to be closer to each other.
While at it, add a blank line to cut driver usable fields from what core
reserves for itself.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
It appears that most of the drivers, that are using struct intel_community,
utilize gpps rather than gpp_size. Update comment accordingly.
While here, correct the description of gpp_size, i.e. remove double space
and drop redundant 'etc.' part.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
The rza1l_swio_entries referred to the wrong array rza1h_swio_pins,
which was intended to be rza1l_swio_pins. So let's fix it.
This is detected by the following gcc warning:
drivers/pinctrl/pinctrl-rza1.c:401:35: warning: ‘rza1l_swio_pins’
defined but not used [-Wunused-const-variable=]
static const struct rza1_swio_pin rza1l_swio_pins[] = {
^~~~~~~~~~~~~~~
Fixes: 039bc58e73 ("pinctrl: rza1: Add support for RZ/A1L")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200417111604.19143-1-yanaijie@huawei.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
According to Braswell NDA Specification Update (#557593),
concurrent read accesses may result in returning 0xffffffff and write
instructions may be dropped. We have an established format for the
commit references, i.e.
cdca06e4e8 ("pinctrl: baytrail: Add missing spinlock usage in
byt_gpio_irq_handler")
Fixes: 0bd50d719b ("pinctrl: cherryview: prevent concurrent access to GPIO controllers")
Signed-off-by: Grace Kao <grace.kao@intel.com>
Reported-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fix the following build warning:
WARNING: modpost: missing MODULE_LICENSE() in
drivers/pinctrl/pinctrl-mcp23s08.o
see include/linux/module.h for more information
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200417092125.12513-1-yanaijie@huawei.com
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There is no need to repeat functionality of platform_get_irq_optional()
in the driver. Replace it with explicit call to the helper.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Device property API allows to gather device resources from different sources,
such as ACPI. Convert the drivers to unleash the power of device property API.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200407173849.43628-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
yu kuai