* [PATCH 1/3] MAINTAINERS: Add an entry for the ATH79 GPIO driver @ 2015-10-30 10:36 Alban Bedel 2015-10-30 10:36 ` [PATCH 2/3] gpio: ath79: Move to the generic " Alban Bedel ` (2 more replies) 0 siblings, 3 replies; 9+ messages in thread From: Alban Bedel @ 2015-10-30 10:36 UTC (permalink / raw) To: linux-gpio; +Cc: linux-kernel, Linus Walleij, Alexandre Courbot, Alban Bedel Add an entry for the ATH79 GPIO driver with myself as maintainer. Signed-off-by: Alban Bedel <albeu@free.fr> --- MAINTAINERS | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 9de185d..957b148 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1780,6 +1780,14 @@ S: Supported F: Documentation/aoe/ F: drivers/block/aoe/ +ATHEROS 71XX/9XXX GPIO DRIVER +M: "Alban Bedel <albeu@free.fr>" +W: https://github.com/AlbanBedel/linux +T: git git://github.com/AlbanBedel/linux +S: Maintained +F: drivers/gpio/gpio-ath79.c +F: Documentation/devicetree/bindings/gpio/gpio-ath79.txt + ATHEROS ATH GENERIC UTILITIES M: "Luis R. Rodriguez" <mcgrof@do-not-panic.com> L: linux-wireless@vger.kernel.org -- 2.0.0 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH 2/3] gpio: ath79: Move to the generic GPIO driver 2015-10-30 10:36 [PATCH 1/3] MAINTAINERS: Add an entry for the ATH79 GPIO driver Alban Bedel @ 2015-10-30 10:36 ` Alban Bedel 2015-10-30 11:42 ` kbuild test robot 2015-10-31 21:02 ` Linus Walleij 2015-10-30 10:36 ` [PATCH 3/3] gpio: ath79: Make the driver removable Alban Bedel 2015-10-31 20:56 ` [PATCH 1/3] MAINTAINERS: Add an entry for the ATH79 GPIO driver Linus Walleij 2 siblings, 2 replies; 9+ messages in thread From: Alban Bedel @ 2015-10-30 10:36 UTC (permalink / raw) To: linux-gpio; +Cc: linux-kernel, Linus Walleij, Alexandre Courbot, Alban Bedel Turn the ath79 driver into a true driver supporting multiple instances while dropping most of the code in favor of the generic MMIO GPIO driver. As the driver now depend on CONFIG_GPIO_GENERIC also add a Kconfig entry to make the driver optional. Signed-off-by: Alban Bedel <albeu@free.fr> --- drivers/gpio/Kconfig | 9 +++ drivers/gpio/Makefile | 2 +- drivers/gpio/gpio-ath79.c | 152 +++++++++------------------------------------- 3 files changed, 38 insertions(+), 125 deletions(-) diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 8949b3f..a979f1a 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -119,6 +119,15 @@ config GPIO_ALTERA If driver is built as a module it will be called gpio-altera. +config GPIO_ATH79 + tristate "Atheros AR71XX/AR724X/AR913X GPIO support" + default y if ATH79 + depends on ATH79 || COMPILE_TEST + select GPIO_GENERIC + help + Select this option to enable GPIO driver for + Atheros AR71XX/AR724X/AR913X SoC devices. + config GPIO_BCM_KONA bool "Broadcom Kona GPIO" depends on OF_GPIO && (ARCH_BCM_MOBILE || COMPILE_TEST) diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index f79a7c4..24c7371 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -20,7 +20,7 @@ obj-$(CONFIG_GPIO_ADP5588) += gpio-adp5588.o obj-$(CONFIG_GPIO_ALTERA) += gpio-altera.o obj-$(CONFIG_GPIO_AMD8111) += gpio-amd8111.o obj-$(CONFIG_GPIO_ARIZONA) += gpio-arizona.o -obj-$(CONFIG_ATH79) += gpio-ath79.o +obj-$(CONFIG_GPIO_ATH79) += gpio-ath79.o obj-$(CONFIG_GPIO_BCM_KONA) += gpio-bcm-kona.o obj-$(CONFIG_GPIO_BRCMSTB) += gpio-brcmstb.o obj-$(CONFIG_GPIO_BT8XX) += gpio-bt8xx.o diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c index 03b9953..3e71ced 100644 --- a/drivers/gpio/gpio-ath79.c +++ b/drivers/gpio/gpio-ath79.c @@ -12,129 +12,15 @@ * by the Free Software Foundation. */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/spinlock.h> -#include <linux/io.h> -#include <linux/ioport.h> -#include <linux/gpio.h> +#include <linux/gpio/driver.h> #include <linux/platform_data/gpio-ath79.h> #include <linux/of_device.h> +#include <linux/basic_mmio_gpio.h> #include <asm/mach-ath79/ar71xx_regs.h> -static void __iomem *ath79_gpio_base; -static u32 ath79_gpio_count; -static DEFINE_SPINLOCK(ath79_gpio_lock); - -static void __ath79_gpio_set_value(unsigned gpio, int value) -{ - void __iomem *base = ath79_gpio_base; - - if (value) - __raw_writel(1 << gpio, base + AR71XX_GPIO_REG_SET); - else - __raw_writel(1 << gpio, base + AR71XX_GPIO_REG_CLEAR); -} - -static int __ath79_gpio_get_value(unsigned gpio) -{ - return (__raw_readl(ath79_gpio_base + AR71XX_GPIO_REG_IN) >> gpio) & 1; -} - -static int ath79_gpio_get_value(struct gpio_chip *chip, unsigned offset) -{ - return __ath79_gpio_get_value(offset); -} - -static void ath79_gpio_set_value(struct gpio_chip *chip, - unsigned offset, int value) -{ - __ath79_gpio_set_value(offset, value); -} - -static int ath79_gpio_direction_input(struct gpio_chip *chip, - unsigned offset) -{ - void __iomem *base = ath79_gpio_base; - unsigned long flags; - - spin_lock_irqsave(&ath79_gpio_lock, flags); - - __raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) & ~(1 << offset), - base + AR71XX_GPIO_REG_OE); - - spin_unlock_irqrestore(&ath79_gpio_lock, flags); - - return 0; -} - -static int ath79_gpio_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - void __iomem *base = ath79_gpio_base; - unsigned long flags; - - spin_lock_irqsave(&ath79_gpio_lock, flags); - - if (value) - __raw_writel(1 << offset, base + AR71XX_GPIO_REG_SET); - else - __raw_writel(1 << offset, base + AR71XX_GPIO_REG_CLEAR); - - __raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) | (1 << offset), - base + AR71XX_GPIO_REG_OE); - - spin_unlock_irqrestore(&ath79_gpio_lock, flags); - - return 0; -} - -static int ar934x_gpio_direction_input(struct gpio_chip *chip, unsigned offset) -{ - void __iomem *base = ath79_gpio_base; - unsigned long flags; - - spin_lock_irqsave(&ath79_gpio_lock, flags); - - __raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) | (1 << offset), - base + AR71XX_GPIO_REG_OE); - - spin_unlock_irqrestore(&ath79_gpio_lock, flags); - - return 0; -} - -static int ar934x_gpio_direction_output(struct gpio_chip *chip, unsigned offset, - int value) -{ - void __iomem *base = ath79_gpio_base; - unsigned long flags; - - spin_lock_irqsave(&ath79_gpio_lock, flags); - - if (value) - __raw_writel(1 << offset, base + AR71XX_GPIO_REG_SET); - else - __raw_writel(1 << offset, base + AR71XX_GPIO_REG_CLEAR); - - __raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) & ~(1 << offset), - base + AR71XX_GPIO_REG_OE); - - spin_unlock_irqrestore(&ath79_gpio_lock, flags); - - return 0; -} - -static struct gpio_chip ath79_gpio_chip = { - .label = "ath79", - .get = ath79_gpio_get_value, - .set = ath79_gpio_set_value, - .direction_input = ath79_gpio_direction_input, - .direction_output = ath79_gpio_direction_output, - .base = 0, +struct ath79_gpio { + struct bgpio_chip bgc; }; static const struct of_device_id ath79_gpio_of_match[] = { @@ -147,10 +33,17 @@ static int ath79_gpio_probe(struct platform_device *pdev) { struct ath79_gpio_platform_data *pdata = pdev->dev.platform_data; struct device_node *np = pdev->dev.of_node; + void __iomem *ath79_gpio_base; + struct ath79_gpio *ctrl; struct resource *res; + u32 ath79_gpio_count; bool oe_inverted; int err; + ctrl = devm_kzalloc(&pdev->dev, sizeof(*ctrl), GFP_KERNEL); + if (!ctrl) + return -ENOMEM; + if (np) { err = of_property_read_u32(np, "ngpios", &ath79_gpio_count); if (err) { @@ -176,14 +69,25 @@ static int ath79_gpio_probe(struct platform_device *pdev) if (!ath79_gpio_base) return -ENOMEM; - ath79_gpio_chip.dev = &pdev->dev; - ath79_gpio_chip.ngpio = ath79_gpio_count; - if (oe_inverted) { - ath79_gpio_chip.direction_input = ar934x_gpio_direction_input; - ath79_gpio_chip.direction_output = ar934x_gpio_direction_output; + err = bgpio_init(&ctrl->bgc, &pdev->dev, 4, + ath79_gpio_base + AR71XX_GPIO_REG_IN, + ath79_gpio_base + AR71XX_GPIO_REG_SET, + ath79_gpio_base + AR71XX_GPIO_REG_CLEAR, + oe_inverted ? + NULL : ath79_gpio_base + AR71XX_GPIO_REG_OE, + oe_inverted ? + ath79_gpio_base + AR71XX_GPIO_REG_OE : NULL, + 0); + if (err) { + dev_err(&pdev->dev, "bgpio_init failed\n"); + return err; } - err = gpiochip_add(&ath79_gpio_chip); + ctrl->bgc.gc.label = "ath79"; + ctrl->bgc.gc.base = 0; + ctrl->bgc.gc.ngpio = ath79_gpio_count; + + err = gpiochip_add(&ctrl->bgc.gc); if (err) { dev_err(&pdev->dev, "cannot add AR71xx GPIO chip, error=%d", err); -- 2.0.0 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: [PATCH 2/3] gpio: ath79: Move to the generic GPIO driver 2015-10-30 10:36 ` [PATCH 2/3] gpio: ath79: Move to the generic " Alban Bedel @ 2015-10-30 11:42 ` kbuild test robot 2015-10-31 21:02 ` Linus Walleij 1 sibling, 0 replies; 9+ messages in thread From: kbuild test robot @ 2015-10-30 11:42 UTC (permalink / raw) To: Alban Bedel Cc: kbuild-all, linux-gpio, linux-kernel, Linus Walleij, Alexandre Courbot, Alban Bedel [-- Attachment #1: Type: text/plain, Size: 1860 bytes --] Hi Alban, [auto build test ERROR on v4.3-rc7 -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/Alban-Bedel/MAINTAINERS-Add-an-entry-for-the-ATH79-GPIO-driver/20151030-183832 config: i386-allmodconfig (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): >> drivers/gpio/gpio-ath79.c:20:40: fatal error: asm/mach-ath79/ar71xx_regs.h: No such file or directory compilation terminated. vim +20 drivers/gpio/gpio-ath79.c 6eae43c5 arch/mips/ath79/gpio.c Gabor Juhos 2011-01-04 14 7351d84b drivers/gpio/gpio-ath79.c Alban Bedel 2015-10-30 15 #include <linux/gpio/driver.h> 2ddf3a79 arch/mips/ath79/gpio.c Alban Bedel 2015-05-31 16 #include <linux/platform_data/gpio-ath79.h> 2ddf3a79 arch/mips/ath79/gpio.c Alban Bedel 2015-05-31 17 #include <linux/of_device.h> 7351d84b drivers/gpio/gpio-ath79.c Alban Bedel 2015-10-30 18 #include <linux/basic_mmio_gpio.h> 6eae43c5 arch/mips/ath79/gpio.c Gabor Juhos 2011-01-04 19 6eae43c5 arch/mips/ath79/gpio.c Gabor Juhos 2011-01-04 @20 #include <asm/mach-ath79/ar71xx_regs.h> 6eae43c5 arch/mips/ath79/gpio.c Gabor Juhos 2011-01-04 21 7351d84b drivers/gpio/gpio-ath79.c Alban Bedel 2015-10-30 22 struct ath79_gpio { 7351d84b drivers/gpio/gpio-ath79.c Alban Bedel 2015-10-30 23 struct bgpio_chip bgc; :::::: The code at line 20 was first introduced by commit :::::: 6eae43c57ee92de91f6cc7c391cea97c43295da0 MIPS: ath79: add GPIOLIB support :::::: TO: Gabor Juhos <juhosg@openwrt.org> :::::: CC: Ralf Baechle <ralf@linux-mips.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation [-- Attachment #2: .config.gz --] [-- Type: application/octet-stream, Size: 51596 bytes --] ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 2/3] gpio: ath79: Move to the generic GPIO driver 2015-10-30 10:36 ` [PATCH 2/3] gpio: ath79: Move to the generic " Alban Bedel 2015-10-30 11:42 ` kbuild test robot @ 2015-10-31 21:02 ` Linus Walleij 2015-11-01 17:46 ` Alban 1 sibling, 1 reply; 9+ messages in thread From: Linus Walleij @ 2015-10-31 21:02 UTC (permalink / raw) To: Alban Bedel; +Cc: linux-gpio, linux-kernel, Alexandre Courbot On Fri, Oct 30, 2015 at 11:36 AM, Alban Bedel <albeu@free.fr> wrote: > Turn the ath79 driver into a true driver supporting multiple > instances while dropping most of the code in favor of the generic > MMIO GPIO driver. > > As the driver now depend on CONFIG_GPIO_GENERIC also add a Kconfig > entry to make the driver optional. > > Signed-off-by: Alban Bedel <albeu@free.fr> This patch looks nice but sadly does not apply to my "devel" branch in the GPIO tree: https://git.kernel.org/cgit/linux/kernel/git/linusw/linux-gpio.git/log/?h=devel Please rebase it on this branch or wait until after the merge window. > +config GPIO_ATH79 > + tristate "Atheros AR71XX/AR724X/AR913X GPIO support" > + default y if ATH79 > + depends on ATH79 || COMPILE_TEST I think the build robot is complaining because of COMPILE_TEST. This driver doesn't really compile on anything else than ATH79 does it? Noone else has asm/mach-ath79/ar71xx_regs.h So I suggest dropping the compile test until this is fixed (e.g. by moving the GPIO register offsets into the driver, what do I know). > + select GPIO_GENERIC This is very very nice. And works out nice, as we can see. Yours, Linus Walleij ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 2/3] gpio: ath79: Move to the generic GPIO driver 2015-10-31 21:02 ` Linus Walleij @ 2015-11-01 17:46 ` Alban 2015-11-02 8:30 ` Linus Walleij 0 siblings, 1 reply; 9+ messages in thread From: Alban @ 2015-11-01 17:46 UTC (permalink / raw) To: Linus Walleij; +Cc: Aban Bedel, linux-gpio, linux-kernel, Alexandre Courbot On Sat, 31 Oct 2015 22:02:53 +0100 Linus Walleij <linus.walleij@linaro.org> wrote: > On Fri, Oct 30, 2015 at 11:36 AM, Alban Bedel <albeu@free.fr> wrote: > > > Turn the ath79 driver into a true driver supporting multiple > > instances while dropping most of the code in favor of the generic > > MMIO GPIO driver. > > > > As the driver now depend on CONFIG_GPIO_GENERIC also add a Kconfig > > entry to make the driver optional. > > > > Signed-off-by: Alban Bedel <albeu@free.fr> > > This patch looks nice but sadly does not apply to my "devel" branch in > the GPIO tree: > https://git.kernel.org/cgit/linux/kernel/git/linusw/linux-gpio.git/log/?h=devel > > Please rebase it on this branch or wait until after the merge window. I see that you applied my previous patch "gpio: ath79: Convert to the state container design pattern", this series was supposed to replace this patch. I'm sorry I forgot to mention this. That old patch doesn't make much sense any more as most of the code it changed just get dropped in the move to GPIO_GENERIC. > > +config GPIO_ATH79 > > + tristate "Atheros AR71XX/AR724X/AR913X GPIO support" > > + default y if ATH79 > > + depends on ATH79 || COMPILE_TEST > > I think the build robot is complaining because of COMPILE_TEST. This > driver doesn't really compile on anything else than ATH79 does it? > Noone else has asm/mach-ath79/ar71xx_regs.h > > So I suggest dropping the compile test until this is fixed (e.g. by > moving the GPIO register offsets into the driver, what do I know). I'm going to split the compile test support to a separate patch. Alban ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 2/3] gpio: ath79: Move to the generic GPIO driver 2015-11-01 17:46 ` Alban @ 2015-11-02 8:30 ` Linus Walleij 0 siblings, 0 replies; 9+ messages in thread From: Linus Walleij @ 2015-11-02 8:30 UTC (permalink / raw) To: Alban; +Cc: linux-gpio, linux-kernel, Alexandre Courbot On Sun, Nov 1, 2015 at 6:46 PM, Alban <albeu@free.fr> wrote: > On Sat, 31 Oct 2015 22:02:53 +0100 > Linus Walleij <linus.walleij@linaro.org> wrote: >> Please rebase it on this branch or wait until after the merge window. > > I see that you applied my previous patch "gpio: ath79: Convert to the > state container design pattern", this series was supposed to replace > this patch. I'm sorry I forgot to mention this. That old patch doesn't > make much sense any more as most of the code it changed just get > dropped in the move to GPIO_GENERIC. Hm you can tell me exactly which commits I need to revert or something ... I cannot rebase the tree now. It would be best if you cook a GPIO_GENERIC patch based on devel. Yours, Linus Walleij ^ permalink raw reply [flat|nested] 9+ messages in thread
* [PATCH 3/3] gpio: ath79: Make the driver removable 2015-10-30 10:36 [PATCH 1/3] MAINTAINERS: Add an entry for the ATH79 GPIO driver Alban Bedel 2015-10-30 10:36 ` [PATCH 2/3] gpio: ath79: Move to the generic " Alban Bedel @ 2015-10-30 10:36 ` Alban Bedel 2015-10-31 21:03 ` Linus Walleij 2015-10-31 20:56 ` [PATCH 1/3] MAINTAINERS: Add an entry for the ATH79 GPIO driver Linus Walleij 2 siblings, 1 reply; 9+ messages in thread From: Alban Bedel @ 2015-10-30 10:36 UTC (permalink / raw) To: linux-gpio; +Cc: linux-kernel, Linus Walleij, Alexandre Courbot, Alban Bedel As we now allow the driver to be built as a module it should be removable. Signed-off-by: Alban Bedel <albeu@free.fr> --- drivers/gpio/gpio-ath79.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c index 3e71ced..6108dff 100644 --- a/drivers/gpio/gpio-ath79.c +++ b/drivers/gpio/gpio-ath79.c @@ -43,6 +43,7 @@ static int ath79_gpio_probe(struct platform_device *pdev) ctrl = devm_kzalloc(&pdev->dev, sizeof(*ctrl), GFP_KERNEL); if (!ctrl) return -ENOMEM; + platform_set_drvdata(pdev, ctrl); if (np) { err = of_property_read_u32(np, "ngpios", &ath79_gpio_count); @@ -97,12 +98,20 @@ static int ath79_gpio_probe(struct platform_device *pdev) return 0; } +static int ath79_gpio_remove(struct platform_device *pdev) +{ + struct ath79_gpio *ctrl = platform_get_drvdata(pdev); + + return bgpio_remove(&ctrl->bgc); +} + static struct platform_driver ath79_gpio_driver = { .driver = { .name = "ath79-gpio", .of_match_table = ath79_gpio_of_match, }, .probe = ath79_gpio_probe, + .remove = ath79_gpio_remove, }; module_platform_driver(ath79_gpio_driver); -- 2.0.0 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: [PATCH 3/3] gpio: ath79: Make the driver removable 2015-10-30 10:36 ` [PATCH 3/3] gpio: ath79: Make the driver removable Alban Bedel @ 2015-10-31 21:03 ` Linus Walleij 0 siblings, 0 replies; 9+ messages in thread From: Linus Walleij @ 2015-10-31 21:03 UTC (permalink / raw) To: Alban Bedel; +Cc: linux-gpio, linux-kernel, Alexandre Courbot On Fri, Oct 30, 2015 at 11:36 AM, Alban Bedel <albeu@free.fr> wrote: > As we now allow the driver to be built as a module it should be > removable. > > Signed-off-by: Alban Bedel <albeu@free.fr> Looks good but needs rebasing on top of the rebased 2/3. Yours, Linus Walleij ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH 1/3] MAINTAINERS: Add an entry for the ATH79 GPIO driver 2015-10-30 10:36 [PATCH 1/3] MAINTAINERS: Add an entry for the ATH79 GPIO driver Alban Bedel 2015-10-30 10:36 ` [PATCH 2/3] gpio: ath79: Move to the generic " Alban Bedel 2015-10-30 10:36 ` [PATCH 3/3] gpio: ath79: Make the driver removable Alban Bedel @ 2015-10-31 20:56 ` Linus Walleij 2 siblings, 0 replies; 9+ messages in thread From: Linus Walleij @ 2015-10-31 20:56 UTC (permalink / raw) To: Alban Bedel; +Cc: linux-gpio, linux-kernel, Alexandre Courbot On Fri, Oct 30, 2015 at 11:36 AM, Alban Bedel <albeu@free.fr> wrote: > Add an entry for the ATH79 GPIO driver with myself as maintainer. > > Signed-off-by: Alban Bedel <albeu@free.fr> Applied, but: > +M: "Alban Bedel <albeu@free.fr>" I unquoted that. I didn't see anyone quote all including the mail address before. Yours, Linus Walleij ^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2015-11-02 8:30 UTC | newest] Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2015-10-30 10:36 [PATCH 1/3] MAINTAINERS: Add an entry for the ATH79 GPIO driver Alban Bedel 2015-10-30 10:36 ` [PATCH 2/3] gpio: ath79: Move to the generic " Alban Bedel 2015-10-30 11:42 ` kbuild test robot 2015-10-31 21:02 ` Linus Walleij 2015-11-01 17:46 ` Alban 2015-11-02 8:30 ` Linus Walleij 2015-10-30 10:36 ` [PATCH 3/3] gpio: ath79: Make the driver removable Alban Bedel 2015-10-31 21:03 ` Linus Walleij 2015-10-31 20:56 ` [PATCH 1/3] MAINTAINERS: Add an entry for the ATH79 GPIO driver Linus Walleij
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).