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

…S4X12

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>

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);