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 <tjakobi@xxxxxxxxxxxxxxxxxxxxx>
> Suggested-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> Signed-off-by: Lukasz Luba <l.luba@xxxxxxxxxxxxxxxxxxx>
> ---
> 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 <cw00.choi@xxxxxxxxxxx>
>
> 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
