diff options
Diffstat (limited to 'drivers/base/power/domain.c')
| -rw-r--r-- | drivers/base/power/domain.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index cf4950d..c785f2e 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -315,11 +315,12 @@ static int genpd_dev_pm_qos_notifier(struct notifier_block *nb, /** * pm_genpd_poweroff - Remove power from a given PM domain. * @genpd: PM domain to power down. + * @is_async: PM domain is powered down from a scheduled work * * If all of the @genpd's devices have been suspended and all of its subdomains * have been powered down, remove power from @genpd. */ -static int pm_genpd_poweroff(struct generic_pm_domain *genpd) +static int pm_genpd_poweroff(struct generic_pm_domain *genpd, bool is_async) { struct pm_domain_data *pdd; struct gpd_link *link; @@ -351,7 +352,7 @@ static int pm_genpd_poweroff(struct generic_pm_domain *genpd) not_suspended++; } - if (not_suspended > genpd->in_progress) + if (not_suspended > 1 || (not_suspended == 1 && is_async)) return -EBUSY; if (genpd->gov && genpd->gov->power_down_ok) { @@ -399,7 +400,7 @@ static void genpd_power_off_work_fn(struct work_struct *work) genpd = container_of(work, struct generic_pm_domain, power_off_work); mutex_lock(&genpd->lock); - pm_genpd_poweroff(genpd); + pm_genpd_poweroff(genpd, true); mutex_unlock(&genpd->lock); } @@ -445,9 +446,7 @@ static int pm_genpd_runtime_suspend(struct device *dev) return 0; mutex_lock(&genpd->lock); - genpd->in_progress++; - pm_genpd_poweroff(genpd); - genpd->in_progress--; + pm_genpd_poweroff(genpd, false); mutex_unlock(&genpd->lock); return 0; @@ -1462,7 +1461,6 @@ void pm_genpd_init(struct generic_pm_domain *genpd, mutex_init(&genpd->lock); genpd->gov = gov; INIT_WORK(&genpd->power_off_work, genpd_power_off_work_fn); - genpd->in_progress = 0; atomic_set(&genpd->sd_count, 0); genpd->status = is_off ? GPD_STATE_POWER_OFF : GPD_STATE_ACTIVE; genpd->device_count = 0; |