Merge remote-tracking branch 'lsk/v3.10/topic/arm64-fvp' into linux-linaro-lsk

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-exynos / pm.c

diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index b9b539cac81e12869523ceb6c8e5e0817f6092a0..e3faaa812016848ae81e7bef29c4aa556a1565a8 100644 (file)
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -34,7 +34,8 @@
 #include <mach/regs-clock.h>
 #include <mach/regs-pmu.h>
 #include <mach/pm-core.h>
-#include <mach/pmu.h>
+
+#include "common.h"
 
 static struct sleep_save exynos4_set_clksrc[] = {
        { .reg = EXYNOS4_CLKSRC_MASK_TOP                , .val = 0x00000001, },
@@ -91,8 +92,8 @@ static int exynos_cpu_suspend(unsigned long arg)
        /* issue the standby signal into the pm unit. */
        cpu_do_idle();
 
-       /* we should never get past here */
-       panic("sleep resumed to originator?");
+       pr_info("Failed to suspend the system\n");
+       return 1; /* Aborting suspend */
 }
 
 static void exynos_pm_prepare(void)
@@ -282,6 +283,8 @@ static void exynos_pm_resume(void)
        if (!(tmp & S5P_CENTRAL_LOWPWR_CFG)) {
                tmp |= S5P_CENTRAL_LOWPWR_CFG;
                __raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION);
+               /* clear the wakeup state register */
+               __raw_writel(0x0, S5P_WAKEUP_STAT);
                /* No need to perform below restore code */
                goto early_wakeup;
        }