ARM: EXYNOS4: Support suspend/resume for EXYNOS4212
Signed-off-by: Jongpill Lee <boyko.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-exynos4/pm.c b/arch/arm/mach-exynos4/pm.c
index bc6ca94..6e59c83 100644
--- a/arch/arm/mach-exynos4/pm.c
+++ b/arch/arm/mach-exynos4/pm.c
@@ -404,6 +404,13 @@
tmp &= ~S5P_CENTRAL_LOWPWR_CFG;
__raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION);
+ if (soc_is_exynos4212()) {
+ tmp = __raw_readl(S5P_CENTRAL_SEQ_OPTION);
+ tmp &= ~(S5P_USE_STANDBYWFI_ISP_ARM |
+ S5P_USE_STANDBYWFE_ISP_ARM);
+ __raw_writel(tmp, S5P_CENTRAL_SEQ_OPTION);
+ }
+
/* Save Power control register */
asm ("mrc p15, 0, %0, c15, c0, 0"
: "=r" (tmp) : : "cc");