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Commit 697a7f37 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

PM / Domains: Do not restore all devices on power off error 



Since every device in a PM domain has its own need_restore
flag, which is set by __pm_genpd_save_device(), there's no need to
walk the domain's device list and restore all devices on an error
from one of the drivers' .runtime_suspend() callbacks.

Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
parent c6d22b37

drivers/base/power/domain.c

+4 −9
Original line number Diff line number Diff line
@@ -269,8 +269,10 @@ static int pm_genpd_poweroff(struct generic_pm_domain *genpd) 


	list_for_each_entry_reverse(dle, &genpd->dev_list, node) {

		ret = __pm_genpd_save_device(dle, genpd);

		if (ret)

			goto err_dev;

		if (ret) {

			genpd_set_active(genpd);

			goto out;

		}



		if (genpd_abort_poweroff(genpd))

			goto out;
@@ -311,13 +313,6 @@ static int pm_genpd_poweroff(struct generic_pm_domain *genpd) 
	genpd->poweroff_task = NULL;

	wake_up_all(&genpd->status_wait_queue);

	return ret;



 err_dev:

	list_for_each_entry_continue(dle, &genpd->dev_list, node)

		__pm_genpd_restore_device(dle, genpd);



	genpd_set_active(genpd);

	goto out;

}



/**