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PM / Domains: Implement the ->start() callback for genpd

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To allow a subsystem/driver to explicitly start its device from genpd's
point view, let's implement the ->start() callback in the struct
dev_pm_domain that corresponds to the genpd.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Ulf Hansson 2019-10-16 15:16:24 +02:00 committed by Rafael J. Wysocki
parent ca765a8cfe
commit ea71c59669
1 changed files with 8 additions and 0 deletions
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8
drivers/base/power/domain.c
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@ -634,6 +634,13 @@ static int genpd_power_on(struct generic_pm_domain *genpd, unsigned int depth)
return ret;
}
static int genpd_dev_pm_start(struct device *dev)
{
struct generic_pm_domain *genpd = dev_to_genpd(dev);
return genpd_start_dev(genpd, dev);
}
static int genpd_dev_pm_qos_notifier(struct notifier_block *nb,
unsigned long val, void *ptr)
{
@ -1805,6 +1812,7 @@ int pm_genpd_init(struct generic_pm_domain *genpd,
genpd->domain.ops.poweroff_noirq = genpd_poweroff_noirq;
genpd->domain.ops.restore_noirq = genpd_restore_noirq;
genpd->domain.ops.complete = genpd_complete;
genpd->domain.start = genpd_dev_pm_start;
if (genpd->flags & GENPD_FLAG_PM_CLK) {
genpd->dev_ops.stop = pm_clk_suspend;