diff options
Diffstat (limited to 'arch/arm/mach-shmobile/pm-sh7372.c')
| -rw-r--r-- | arch/arm/mach-shmobile/pm-sh7372.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index 792037069226..0a4804694dee 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -110,21 +110,33 @@ struct rmobile_pm_domain sh7372_pd_a3ri = { .bit_shift = 8, }; +static bool a4s_suspend_ready; + static int sh7372_pd_a4s_suspend(void) { /* * The A4S domain contains the CPU core and therefore it should - * only be turned off if the CPU is in use. + * only be turned off if the CPU is not in use. This may happen + * during system suspend, when SYSC is going to be used for generating + * resume signals and a4s_suspend_ready is set to let + * sh7372_enter_suspend() know that it can turn A4S off. */ + a4s_suspend_ready = true; return -EBUSY; } +static void sh7372_pd_a4s_resume(void) +{ + a4s_suspend_ready = false; +} + struct rmobile_pm_domain sh7372_pd_a4s = { .genpd.name = "A4S", .bit_shift = 10, .gov = &pm_domain_always_on_gov, .no_debug = true, .suspend = sh7372_pd_a4s_suspend, + .resume = sh7372_pd_a4s_resume, }; static int sh7372_a3sp_pd_suspend(void) @@ -390,8 +402,7 @@ static int sh7372_enter_suspend(suspend_state_t suspend_state) /* check active clocks to determine potential wakeup sources */ if (sh7372_sysc_valid(&msk, &msk2)) { - if (!console_suspend_enabled && - sh7372_pd_a4s.genpd.status == GPD_STATE_POWER_OFF) { + if (!console_suspend_enabled && a4s_suspend_ready) { /* convert INTC mask/sense to SYSC mask/sense */ sh7372_setup_sysc(msk, msk2); |