On 15 January 2018 at 01:46, Rafael J. Wysocki <[email protected]> wrote: > From: Rafael J. Wysocki <[email protected]> > > Modify pm_runtime_need_not_resume() to make it avoid taking > power.child_count for devices with power.ignore_children which > is consistent with the runtime PM usage of these fields. > > Suggested-by: Ulf Hansson <[email protected]> > Signed-off-by: Rafael J. Wysocki <[email protected]>
Reviewed-by: Ulf Hansson <[email protected]> Kind regards Uffe > --- > drivers/base/power/runtime.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > Index: linux-pm/drivers/base/power/runtime.c > =================================================================== > --- linux-pm.orig/drivers/base/power/runtime.c > +++ linux-pm/drivers/base/power/runtime.c > @@ -1616,7 +1616,8 @@ void pm_runtime_drop_link(struct device > static bool pm_runtime_need_not_resume(struct device *dev) > { > return atomic_read(&dev->power.usage_count) <= 1 && > - atomic_read(&dev->power.child_count) == 0; > + (atomic_read(&dev->power.child_count) == 0 || > + dev->power.ignore_children); > } > > /** >
