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| author | Olof Johansson <olof@lixom.net> | 2012-10-01 14:33:55 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-10-01 14:33:55 -0700 |
| commit | 8b1a13b02812b60b88920801363920956691feb3 (patch) | |
| tree | cf140e1dfd5754aef0a59003cf9266aad003b8f5 /drivers/gpio/gpio-samsung.c | |
| parent | 5c008d7029fcd12a9a54fa618781b71353f6c4bd (diff) | |
| parent | 04ef037c926ddb31088c976538e29eada4fd1490 (diff) | |
| download | blackbird-op-linux-8b1a13b02812b60b88920801363920956691feb3.tar.gz blackbird-op-linux-8b1a13b02812b60b88920801363920956691feb3.zip | |
Merge branch 'next/drivers' into HEAD
Conflicts:
arch/arm/boot/dts/omap4.dtsi
arch/arm/mach-clps711x/common.c
arch/arm/mach-omap1/board-h2.c
arch/arm/mach-omap1/board-h3.c
arch/arm/mach-omap1/leds-h2p2-debug.c
arch/arm/mach-omap1/leds.c
arch/arm/mach-pnx4008/time.c
arch/arm/plat-omap/debug-leds.c
drivers/Makefile
drivers/bus/omap_l3_noc.c
Diffstat (limited to 'drivers/gpio/gpio-samsung.c')
| -rw-r--r-- | drivers/gpio/gpio-samsung.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c index 8af4b06e80f7..a006f0db15af 100644 --- a/drivers/gpio/gpio-samsung.c +++ b/drivers/gpio/gpio-samsung.c @@ -2797,6 +2797,27 @@ static __init void exynos4_gpiolib_init(void) int group = 0; void __iomem *gpx_base; +#ifdef CONFIG_PINCTRL_SAMSUNG + /* + * This gpio driver includes support for device tree support and + * there are platforms using it. In order to maintain + * compatibility with those platforms, and to allow non-dt + * Exynos4210 platforms to use this gpiolib support, a check + * is added to find out if there is a active pin-controller + * driver support available. If it is available, this gpiolib + * support is ignored and the gpiolib support available in + * pin-controller driver is used. This is a temporary check and + * will go away when all of the Exynos4210 platforms have + * switched to using device tree and the pin-ctrl driver. + */ + struct device_node *pctrl_np; + const char *pctrl_compat = "samsung,pinctrl-exynos4210"; + pctrl_np = of_find_compatible_node(NULL, NULL, pctrl_compat); + if (pctrl_np) + if (of_device_is_available(pctrl_np)) + return; +#endif + /* gpio part1 */ gpio_base1 = ioremap(EXYNOS4_PA_GPIO1, SZ_4K); if (gpio_base1 == NULL) { |
