Re: [PATCH v2] arm64: dts: qcom: Update iommu property for simultaneous playback

From: Stephen Boyd
Date: Fri Apr 09 2021 - 13:01:19 EST


Quoting Srinivasa Rao Mandadapu (2021-04-06 09:33:30)
> From: V Sujith Kumar Reddy <vsujithk@xxxxxxxxxxxxxx>
>
> Update iommu property in lpass cpu node for supporting
> simultaneous playback on headset and speaker.
>
> Signed-off-by: V Sujith Kumar Reddy <vsujithk@xxxxxxxxxxxxxx>
> Signed-off-by: Srinivasa Rao Mandadapu <srivasam@xxxxxxxxxxxxxx>
> ---
> Changes since v1:
> -- Commit messge header change
>
> arch/arm64/boot/dts/qcom/sc7180.dtsi | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index a6da78d31fdd..6228ba2d8513 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -3566,7 +3566,8 @@ lpass_cpu: lpass@62f00000 {
> reg = <0 0x62f00000 0 0x29000>;
> reg-names = "lpass-lpaif";
>
> - iommus = <&apps_smmu 0x1020 0>;
> + iommus = <&apps_smmu 0x1020 0>,
> + <&apps_smmu 0x1021 0>;

The stream ID 0x1032 was also dropped in this version but there's no
mention of that in the changelog. Why?

>
> power-domains = <&lpass_hm LPASS_CORE_HM_GDSCR>;
>