diff options
Diffstat (limited to 'arch/arm/plat-samsung/pm.c')
| -rw-r--r-- | arch/arm/plat-samsung/pm.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c index e46ecce..12b1bad 100644 --- a/arch/arm/plat-samsung/pm.c +++ b/arch/arm/plat-samsung/pm.c @@ -247,6 +247,7 @@ void (*pm_cpu_sleep)(void); void (*pm_cpu_restore)(void); int (*pm_prepare)(void); void (*pm_finish)(void); +unsigned int (*pm_check_eint_pend)(void); #define any_allowed(mask, allow) (((mask) & (allow)) != (allow)) @@ -254,7 +255,9 @@ void (*pm_finish)(void); * * central control for sleep/resume process */ - +#ifdef CONFIG_FAST_BOOT +extern bool fake_shut_down; +#endif static int s3c_pm_enter(suspend_state_t state) { /* ensure the debug is initialised (if enabled) */ @@ -280,6 +283,15 @@ static int s3c_pm_enter(suspend_state_t state) return -EINVAL; } + if (pm_check_eint_pend) { + u32 pending_eint = pm_check_eint_pend(); + if (pending_eint) { + pr_warn("%s: Aborting sleep, EINT PENDING(0x%08x)\n", + __func__, pending_eint); + return -EBUSY; + } + } + /* save all necessary core registers not covered by the drivers */ s3c_pm_save_gpios(); @@ -306,6 +318,16 @@ static int s3c_pm_enter(suspend_state_t state) s3c_pm_check_store(); +#ifdef CONFIG_FAST_BOOT + if (fake_shut_down) { + /* Masking external wake up source + * only enable power key, FUEL ALERT, AP/IF PMIC IRQ */ + __raw_writel(0xff77df7f, S5P_EINT_WAKEUP_MASK); + /* disable all system int */ + __raw_writel(0xffffffff, S5P_WAKEUP_MASK); + } +#endif + /* send the cpu to sleep... */ s3c_pm_arch_stop_clocks(); @@ -359,7 +381,11 @@ static int s3c_pm_enter(suspend_state_t state) static int s3c_pm_prepare(void) { /* prepare check area if configured */ - +#if defined(CONFIG_MACH_P8LTE) \ + || defined(CONFIG_MACH_U1_NA_SPR) \ + || defined(CONFIG_MACH_U1_NA_USCC) + disable_hlt(); +#endif s3c_pm_check_prepare(); if (pm_prepare) @@ -374,6 +400,11 @@ static void s3c_pm_finish(void) pm_finish(); s3c_pm_check_cleanup(); +#if defined(CONFIG_MACH_P8LTE) \ + || defined(CONFIG_MACH_U1_NA_SPR) \ + || defined(CONFIG_MACH_U1_NA_USCC) + enable_hlt(); +#endif } #if defined(CONFIG_CHARGER_MANAGER) |