ARM: EXYNOS: Skip wakeup-int setup if pinctrl driver is used on EXYNOS4X12

This patch modifies the old wakeup interrupt initialization code to
detect pinctrl driver by using for_each_matching_node instead of
for_each_compatible_node and adds match table for both EXYNOS4210 and
EXYNOS4X12.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 1947be8e5f5b..4af8284f3597 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -997,11 +997,14 @@ static int __init exynos_init_irq_eint(void)
          * platforms switch over to using the pinctrl driver, the wakeup
          * interrupt support code here can be completely removed.
          */
+        static const struct of_device_id exynos_pinctrl_ids[] = {
+                { .compatible = "samsung,pinctrl-exynos4210", },
+                { .compatible = "samsung,pinctrl-exynos4x12", },
+        };
         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) {
+        for_each_matching_node(pctrl_np, exynos_pinctrl_ids) {
                 if (of_device_is_available(pctrl_np)) {
                         wkup_np = of_find_compatible_node(pctrl_np, NULL,
                                                         wkup_compat);