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authorUlf Hansson2019-10-16 15:16:24 +0200
committerRafael J. Wysocki2019-11-13 11:41:50 +0100
commitea71c59669f17d032f11b13ea8a025cea365584f (patch)
treebbc66ed5161926797440d7737d726f27a736a6e3 /drivers/base
parentca765a8cfe0c78bfa47b9d67121f4e342d4b4512 (diff)
PM / Domains: Implement the ->start() callback for genpd
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>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/domain.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index cc85e87eaf05..2adf0661fa3e 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -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;