diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index b9b539cac81e12869523ceb6c8e5e0817f6092a0..5106ab83e593f8c3902d77a19b5efff00b46d4db 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -91,8 +91,8 @@ 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 +282,8 @@ 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; } diff --git a/arch/arm/mach-s3c24xx/pm-s3c2412.c b/arch/arm/mach-s3c24xx/pm-s3c2412.c index c60f67a75afff8ba291d712091a744696e64893c..f5dc2b254a5a0b1a072aac5687c1cc3c86c708f9 100644 --- a/arch/arm/mach-s3c24xx/pm-s3c2412.c +++ b/arch/arm/mach-s3c24xx/pm-s3c2412.c @@ -48,7 +48,8 @@ static int s3c2412_cpu_suspend(unsigned long arg) s3c2412_sleep_enter(); - panic("sleep resumed to originator?"); + pr_info("Failed to suspend the system\n"); + return 1; /* Aborting suspend */ } static void s3c2412_pm_prepare(void) diff --git a/arch/arm/mach-s3c24xx/pm-s3c2416.c b/arch/arm/mach-s3c24xx/pm-s3c2416.c index 1bd4817b8eb8bef37a762e9fa870a1b8900522d5..1a9e8dd194ff87b09025990d89a3774ad12156b8 100644 --- a/arch/arm/mach-s3c24xx/pm-s3c2416.c +++ b/arch/arm/mach-s3c24xx/pm-s3c2416.c @@ -34,7 +34,8 @@ static int s3c2416_cpu_suspend(unsigned long arg) s3c2412_sleep_enter(); - panic("sleep resumed to originator?"); + pr_info("Failed to suspend the system\n"); + return 1; /* Aborting suspend */ } static void s3c2416_pm_prepare(void) diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index 7feb426fc202d10be8f74a8992b5de212b6e4ba0..54d48b857f70718e130dacfea7cc6fd7e0f0c30f 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -296,7 +296,8 @@ static int s3c64xx_cpu_suspend(unsigned long arg) /* we should never get past here */ - panic("sleep resumed to originator?"); + pr_info("Failed to suspend the system\n"); + return 1; /* Aborting suspend */ } /* mapping of interrupts to parts of the wakeup mask */ diff --git a/arch/arm/mach-s5p64x0/pm.c b/arch/arm/mach-s5p64x0/pm.c index 9cba18bfe47bbd56bc197518fdd48496f5980664..97c2a08ad4903a6e23839bc96b12e454f8c1135a 100644 --- a/arch/arm/mach-s5p64x0/pm.c +++ b/arch/arm/mach-s5p64x0/pm.c @@ -103,8 +103,8 @@ static int s5p64x0_cpu_suspend(unsigned long arg) "mcr p15, 0, %0, c7, c10, 4\n\t" "mcr p15, 0, %0, c7, c0, 4" : : "r" (tmp)); - /* we should never get past here */ - panic("sleep resumed to originator?"); + pr_info("Failed to suspend the system\n"); + return 1; /* Aborting suspend */ } /* mapping of interrupts to parts of the wakeup mask */ diff --git a/arch/arm/mach-s5pv210/pm.c b/arch/arm/mach-s5pv210/pm.c index 736bfb103cbc4acc3e38f057bd018cc841e2b420..2b68a67b6e953fe992494f9bcca2744c6abb1e8a 100644 --- a/arch/arm/mach-s5pv210/pm.c +++ b/arch/arm/mach-s5pv210/pm.c @@ -104,8 +104,8 @@ static int s5pv210_cpu_suspend(unsigned long arg) "mcr p15, 0, %0, c7, c10, 4\n\t" "wfi" : : "r" (tmp)); - /* 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 s5pv210_pm_prepare(void) diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c index d896add68ad3503d4ede95b9f132a4799036fdbf..002b1472293b4e34459e7563dd3edd8af0ecf93b 100644 --- a/arch/arm/plat-samsung/pm.c +++ b/arch/arm/plat-samsung/pm.c @@ -243,6 +243,7 @@ int (*pm_cpu_sleep)(unsigned long); static int s3c_pm_enter(suspend_state_t state) { + int ret; /* ensure the debug is initialised (if enabled) */ s3c_pm_debug_init(); @@ -300,7 +301,9 @@ static int s3c_pm_enter(suspend_state_t state) * we resume as it saves its own register state and restores it * during the resume. */ - cpu_suspend(0, pm_cpu_sleep); + ret = cpu_suspend(0, pm_cpu_sleep); + if (ret) + return ret; /* restore the system state */