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PM / Runtime: Update last_busy in rpm_resume 

If we don't update last_busy in rpm_resume, devices can go back
to sleep immediately after resume. This happens at least in
cases where the device has been powered off and does not have
any interrupt pending until there's something in the FIFO.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
hifive-unleashed-5.1
Tony Lindgren 2015-05-13 16:36:32 -07:00 committed by Rafael J. Wysocki
parent f6a2fbb903
commit 56f487c780
1 changed files with 1 additions and 0 deletions
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drivers/base/power/runtime.c
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@ -741,6 +741,7 @@ static int rpm_resume(struct device *dev, int rpmflags)
} else {
no_callback:
__update_runtime_status(dev, RPM_ACTIVE);
pm_runtime_mark_last_busy(dev);
if (parent)
atomic_inc(&parent->power.child_count);
}