PM / Domains: Implement the ->start() callback for genpd (ea71c596) · Commits · 戴 / test

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>

drivers/base/power/domain.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -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;

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