diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/power/domain.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 179bb269a58f..e697dec9d25b 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -284,7 +284,8 @@ static void genpd_queue_power_off_work(struct generic_pm_domain *genpd) * 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 genpd_power_off(struct generic_pm_domain *genpd, bool one_dev_on) +static int genpd_power_off(struct generic_pm_domain *genpd, bool one_dev_on, + unsigned int depth) { struct pm_domain_data *pdd; struct gpd_link *link; @@ -351,7 +352,9 @@ static int genpd_power_off(struct generic_pm_domain *genpd, bool one_dev_on) list_for_each_entry(link, &genpd->slave_links, slave_node) { genpd_sd_counter_dec(link->master); - genpd_queue_power_off_work(link->master); + genpd_lock_nested(link->master, depth + 1); + genpd_power_off(link->master, false, depth + 1); + genpd_unlock(link->master); } return 0; @@ -405,7 +408,9 @@ static int genpd_power_on(struct generic_pm_domain *genpd, unsigned int depth) &genpd->slave_links, slave_node) { genpd_sd_counter_dec(link->master); - genpd_queue_power_off_work(link->master); + genpd_lock_nested(link->master, depth + 1); + genpd_power_off(link->master, false, depth + 1); + genpd_unlock(link->master); } return ret; @@ -462,7 +467,7 @@ static void genpd_power_off_work_fn(struct work_struct *work) genpd = container_of(work, struct generic_pm_domain, power_off_work); genpd_lock(genpd); - genpd_power_off(genpd, false); + genpd_power_off(genpd, false, 0); genpd_unlock(genpd); } @@ -581,7 +586,7 @@ static int genpd_runtime_suspend(struct device *dev) return 0; genpd_lock(genpd); - genpd_power_off(genpd, true); + genpd_power_off(genpd, true, 0); genpd_unlock(genpd); return 0; @@ -661,7 +666,7 @@ err_poweroff: if (!pm_runtime_is_irq_safe(dev) || (pm_runtime_is_irq_safe(dev) && genpd_is_irq_safe(genpd))) { genpd_lock(genpd); - genpd_power_off(genpd, true); + genpd_power_off(genpd, true, 0); genpd_unlock(genpd); } |