On 20-01-21, 04:50, Dmitry Osipenko wrote: > Make set_performance_state() callback optional in order to remove the > need from power domain drivers to implement a dummy callback. If callback > isn't implemented by a GENPD driver, then the performance state is passed > to the parent domain. > > Tested-by: Peter Geis <pgwipeout@xxxxxxxxx> > Tested-by: Nicolas Chauvet <kwizart@xxxxxxxxx> > Tested-by: Matt Merhar <mattmerhar@xxxxxxxxxxxxxx> > [tested on NVIDIA Tegra20/30/124 SoCs] > Suggested-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> > Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> > --- > drivers/base/power/domain.c | 33 ++++++++++++++++++--------------- > 1 file changed, 18 insertions(+), 15 deletions(-) > > diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c > index 9a14eedacb92..0bd0cdc30393 100644 > --- a/drivers/base/power/domain.c > +++ b/drivers/base/power/domain.c > @@ -297,6 +297,18 @@ static int _genpd_reeval_performance_state(struct generic_pm_domain *genpd, > return state; > } > > +static int _genpd_xlate_performance_state(struct generic_pm_domain *src_genpd, > + struct generic_pm_domain *dst_genpd, > + unsigned int pstate) I would name them as genpd and parent, that makes it more readable for it. -- viresh