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authorJongpill Lee <boyko.lee@samsung.com>2011-09-27 07:26:04 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-10-04 18:59:36 +0900
commit00a351f273a85b23a3fc9e7740b4c0080e69c9a1 (patch)
tree0db2e4cba7bcb899c61159d9be08efe9aa2d7b80 /arch/arm/mach-exynos4/pm.c
parentARM: EXYNOS4: Add PMU register definition for EXYNOS4212 (diff)
downloadlinux-dev-00a351f273a85b23a3fc9e7740b4c0080e69c9a1.tar.xz
linux-dev-00a351f273a85b23a3fc9e7740b4c0080e69c9a1.zip
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>
Diffstat (limited to 'arch/arm/mach-exynos4/pm.c')
-rw-r--r--arch/arm/mach-exynos4/pm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/pm.c b/arch/arm/mach-exynos4/pm.c
index bc6ca9482de1..6e59c8398a49 100644
--- a/arch/arm/mach-exynos4/pm.c
+++ b/arch/arm/mach-exynos4/pm.c
@@ -404,6 +404,13 @@ static int exynos4_pm_suspend(void)
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");