ARM: EXYNOS: Pass the AFTR callback to the platform_data

No more dependency on the arch code. The platform_data field is used to set the
PM callback as the other cpuidle drivers.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
index cac51d8..05cb00c 100644
--- a/arch/arm/mach-exynos/cpuidle.c
+++ b/arch/arm/mach-exynos/cpuidle.c
@@ -28,7 +28,7 @@
 
 #include <mach/map.h>
 
-#include "common.h"
+static void (*exynos_enter_aftr)(void);
 
 static int idle_finisher(unsigned long flags)
 {
@@ -87,6 +87,8 @@
 {
 	int ret;
 
+	exynos_enter_aftr = (void *)(pdev->dev.platform_data);
+
 	ret = cpuidle_register(&exynos_idle_driver, NULL);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to register cpuidle driver\n");