diff options
| author | David S. Miller <davem@davemloft.net> | 2012-10-02 23:02:10 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-10-02 23:02:10 -0400 |
| commit | 954f9ac43b87b44152b8c21163cefd466a87145e (patch) | |
| tree | 31c4197f975c66c96976948663e6ce844900b41a /arch/arm/mach-exynos/common.c | |
| parent | 1b62ca7bf5775bed048032b7e779561e1fe66aa0 (diff) | |
| parent | 7fe0b14b725d6d09a1d9e1409bd465cb88b587f9 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
There's a Niagara 2 memcpy fix in this tree and I have
a Kconfig fix from Dave Jones which requires the sparc-next
changes which went upstream yesterday.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/mach-exynos/common.c')
| -rw-r--r-- | arch/arm/mach-exynos/common.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index 4eb39cdf75ea..715b690e5009 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -980,6 +980,32 @@ static int __init exynos_init_irq_eint(void) { int irq; +#ifdef CONFIG_PINCTRL_SAMSUNG + /* + * The Samsung pinctrl driver provides an integrated gpio/pinmux/pinconf + * functionality along with support for external gpio and wakeup + * interrupts. If the samsung pinctrl driver is enabled and includes + * the wakeup interrupt support, then the setting up external wakeup + * interrupts here can be skipped. This check here is temporary to + * allow exynos4 platforms that do not use Samsung pinctrl driver to + * co-exist with platforms that do. When all of the Samsung Exynos4 + * platforms switch over to using the pinctrl driver, the wakeup + * interrupt support code here can be completely removed. + */ + struct device_node *pctrl_np, *wkup_np; + const char *pctrl_compat = "samsung,pinctrl-exynos4210"; + const char *wkup_compat = "samsung,exynos4210-wakeup-eint"; + + for_each_compatible_node(pctrl_np, NULL, pctrl_compat) { + if (of_device_is_available(pctrl_np)) { + wkup_np = of_find_compatible_node(pctrl_np, NULL, + wkup_compat); + if (wkup_np) + return -ENODEV; + } + } +#endif + if (soc_is_exynos5250()) exynos_eint_base = ioremap(EXYNOS5_PA_GPIO1, SZ_4K); else |