diff options
| author | John Crispin <john@openwrt.org> | 2014-10-06 04:52:26 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2014-10-06 04:52:26 +0000 |
| commit | 98114e7cddba97b214e92b395d210bbdd65a4f19 (patch) | |
| tree | f100a7d0f2274026e7054c5cd3458f37a65ae439 /target | |
| parent | 70d56d749b1663f8dc7f9e8863aeaa2f37034905 (diff) | |
| download | upstream-98114e7cddba97b214e92b395d210bbdd65a4f19.tar.gz upstream-98114e7cddba97b214e92b395d210bbdd65a4f19.tar.bz2 upstream-98114e7cddba97b214e92b395d210bbdd65a4f19.zip | |
ralink: Add missing code to free GPIO on Ralink SoC
Signed-off-by: schildt@ibr.cs.tu-bs.de
Acked-by: info@gerhard-bertelsmann.de
SVN-Revision: 42788
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/ramips/patches-3.14/0047-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/target/linux/ramips/patches-3.14/0047-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch b/target/linux/ramips/patches-3.14/0047-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch index 6518e5679e..239cd07423 100644 --- a/target/linux/ramips/patches-3.14/0047-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch +++ b/target/linux/ramips/patches-3.14/0047-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch @@ -18,8 +18,10 @@ Cc: linux-gpio@vger.kernel.org create mode 100644 arch/mips/include/asm/mach-ralink/gpio.h create mode 100644 drivers/gpio/gpio-ralink.c ---- /dev/null -+++ b/arch/mips/include/asm/mach-ralink/gpio.h +Index: linux-3.14.18/arch/mips/include/asm/mach-ralink/gpio.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-3.14.18/arch/mips/include/asm/mach-ralink/gpio.h 2014-09-13 02:13:22.536816660 +0200 @@ -0,0 +1,24 @@ +/* + * Ralink SoC GPIO API support @@ -45,9 +47,11 @@ Cc: linux-gpio@vger.kernel.org +#define gpio_to_irq __gpio_to_irq + +#endif /* __ASM_MACH_RALINK_GPIO_H */ ---- a/drivers/gpio/Kconfig -+++ b/drivers/gpio/Kconfig -@@ -260,6 +260,12 @@ config GPIO_SCH311X +Index: linux-3.14.18/drivers/gpio/Kconfig +=================================================================== +--- linux-3.14.18.orig/drivers/gpio/Kconfig 2014-09-06 01:34:59.000000000 +0200 ++++ linux-3.14.18/drivers/gpio/Kconfig 2014-10-02 21:52:28.693719524 +0200 +@@ -260,6 +260,12 @@ To compile this driver as a module, choose M here: the module will be called gpio-sch311x. @@ -60,9 +64,11 @@ Cc: linux-gpio@vger.kernel.org config GPIO_SPEAR_SPICS bool "ST SPEAr13xx SPI Chip Select as GPIO support" depends on PLAT_SPEAR ---- a/drivers/gpio/Makefile -+++ b/drivers/gpio/Makefile -@@ -63,6 +63,7 @@ obj-$(CONFIG_GPIO_PCF857X) += gpio-pcf85 +Index: linux-3.14.18/drivers/gpio/Makefile +=================================================================== +--- linux-3.14.18.orig/drivers/gpio/Makefile 2014-09-06 01:34:59.000000000 +0200 ++++ linux-3.14.18/drivers/gpio/Makefile 2014-10-02 21:52:28.693719524 +0200 +@@ -63,6 +63,7 @@ obj-$(CONFIG_GPIO_PCH) += gpio-pch.o obj-$(CONFIG_GPIO_PL061) += gpio-pl061.o obj-$(CONFIG_GPIO_PXA) += gpio-pxa.o @@ -70,9 +76,11 @@ Cc: linux-gpio@vger.kernel.org obj-$(CONFIG_GPIO_RC5T583) += gpio-rc5t583.o obj-$(CONFIG_GPIO_RDC321X) += gpio-rdc321x.o obj-$(CONFIG_GPIO_RCAR) += gpio-rcar.o ---- /dev/null -+++ b/drivers/gpio/gpio-ralink.c -@@ -0,0 +1,345 @@ +Index: linux-3.14.18/drivers/gpio/gpio-ralink.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-3.14.18/drivers/gpio/gpio-ralink.c 2014-10-02 21:52:24.081719605 +0200 +@@ -0,0 +1,353 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published @@ -333,6 +341,13 @@ Cc: linux-gpio@vger.kernel.org + return pinctrl_request_gpio(gpio); +} + ++static void ralink_gpio_free(struct gpio_chip *chip, unsigned offset) ++{ ++ int gpio = chip->base + offset; ++ ++ pinctrl_free_gpio(gpio); ++} ++ +static int ralink_gpio_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; @@ -386,6 +401,7 @@ Cc: linux-gpio@vger.kernel.org + rg->chip.set = ralink_gpio_set; + rg->chip.request = ralink_gpio_request; + rg->chip.to_irq = ralink_gpio_to_irq; ++ rg->chip.free = ralink_gpio_free; + + /* set polarity to low for all lines */ + rt_gpio_w32(rg, GPIO_REG_POL, 0); |