Hi, On 2018년 11월 22일 03:01, Lukasz Luba wrote: > Mark the state for devfreq device while entring suspend/resume process. > > The patch draws on Tobias Jakobi's work posted ~2 years ago, who tried to > solve issue with devfreq device's frequency during suspend/resume. > During the discussion on LKML some corner cases and comments appeared > related to the design. This patch address them keeping in mind suggestions > from Chanwoo Choi. > > Suggested-by: Tobias Jakobi <[email protected]> > Suggested-by: Chanwoo Choi <[email protected]> > Signed-off-by: Lukasz Luba <[email protected]> > --- > arch/arm/boot/dts/exynos4210.dtsi | 2 ++ > arch/arm/boot/dts/exynos4412.dtsi | 2 ++ > 2 files changed, 4 insertions(+)
Looks good to me. Reviewed-by: Chanwoo Choi <[email protected]> > > diff --git a/arch/arm/boot/dts/exynos4210.dtsi > b/arch/arm/boot/dts/exynos4210.dtsi > index b6091c2..4429b72 100644 > --- a/arch/arm/boot/dts/exynos4210.dtsi > +++ b/arch/arm/boot/dts/exynos4210.dtsi > @@ -298,6 +298,7 @@ > opp-400000000 { > opp-hz = /bits/ 64 <400000000>; > opp-microvolt = <1150000>; > + opp-suspend; > }; > }; > > @@ -367,6 +368,7 @@ > }; > opp-200000000 { > opp-hz = /bits/ 64 <200000000>; > + opp-suspend; > }; > }; > }; > diff --git a/arch/arm/boot/dts/exynos4412.dtsi > b/arch/arm/boot/dts/exynos4412.dtsi > index 51f72f0..908c0c4 100644 > --- a/arch/arm/boot/dts/exynos4412.dtsi > +++ b/arch/arm/boot/dts/exynos4412.dtsi > @@ -432,6 +432,7 @@ > opp-400000000 { > opp-hz = /bits/ 64 <400000000>; > opp-microvolt = <1050000>; > + opp-suspend; > }; > }; > > @@ -520,6 +521,7 @@ > opp-200000000 { > opp-hz = /bits/ 64 <200000000>; > opp-microvolt = <1000000>; > + opp-suspend; > }; > }; > > -- Best Regards, Chanwoo Choi Samsung Electronics
