linux-kernel - Re: [PATCH v2 2/4] arm64: dts: qcom: sm8450: drop unneeded assigned-clocks from codec macros

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Date:   Wed, 13 Dec 2023 17:45:48 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/4] arm64: dts: qcom: sm8450: drop unneeded
 assigned-clocks from codec macros

Le 13/12/2023 à 17:28, Krzysztof Kozlowski a écrit :
> The MCLK clocks of codec macros have fixed 19.2 MHz frequency and
> assigning clock rates is redundant.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> Not tested on HW.
> ---
>   arch/arm64/boot/dts/qcom/sm8450.dtsi | 16 ----------------
>   1 file changed, 16 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index 3b6ea9653d2a..52390220d909 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -2154,9 +2154,6 @@ wsa2macro: codec@...0000 {
>   				 <&q6prmcc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
>   				 <&vamacro>;
>   			clock-names = "mclk", "npl", "macro", "dcodec", "fsgen";
> -			assigned-clocks = <&q6prmcc LPASS_CLK_ID_WSA2_CORE_TX_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
> -					  <&q6prmcc LPASS_CLK_ID_WSA2_CORE_TX_2X_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
> -			assigned-clock-rates = <19200000>, <19200000>;
>   
>   			#clock-cells = <0>;
>   			clock-output-names = "wsa2-mclk";
> @@ -2203,10 +2200,6 @@ rxmacro: codec@...0000 {
>   				 <&vamacro>;
>   			clock-names = "mclk", "npl", "macro", "dcodec", "fsgen";
>   
> -			assigned-clocks = <&q6prmcc LPASS_CLK_ID_RX_CORE_TX_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
> -					  <&q6prmcc LPASS_CLK_ID_RX_CORE_MCLK2_2X_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
> -			assigned-clock-rates = <19200000>, <19200000>;
> -
>   			#clock-cells = <0>;
>   			clock-output-names = "mclk";
>   			#sound-dai-cells = <1>;
> @@ -2250,9 +2243,6 @@ txmacro: codec@...0000 {
>   				 <&q6prmcc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
>   				 <&vamacro>;
>   			clock-names = "mclk", "npl", "macro", "dcodec", "fsgen";
> -			assigned-clocks = <&q6prmcc LPASS_CLK_ID_RX_CORE_TX_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
> -					  <&q6prmcc LPASS_CLK_ID_RX_CORE_MCLK2_2X_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
> -			assigned-clock-rates = <19200000>, <19200000>;
>   
>   			#clock-cells = <0>;
>   			clock-output-names = "mclk";
> @@ -2269,10 +2259,6 @@ wsamacro: codec@...0000 {
>   				 <&vamacro>;
>   			clock-names = "mclk", "npl", "macro", "dcodec", "fsgen";
>   
> -			assigned-clocks = <&q6prmcc LPASS_CLK_ID_WSA_CORE_TX_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
> -					  <&q6prmcc LPASS_CLK_ID_WSA_CORE_TX_2X_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
> -			assigned-clock-rates = <19200000>, <19200000>;
> -
>   			#clock-cells = <0>;
>   			clock-output-names = "mclk";
>   			#sound-dai-cells = <1>;
> @@ -2348,8 +2334,6 @@ vamacro: codec@...0000 {
>   				 <&q6prmcc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
>   				 <&q6prmcc LPASS_CLK_ID_RX_CORE_MCLK2_2X_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
>   			clock-names = "mclk", "macro", "dcodec", "npl";
> -			assigned-clocks = <&q6prmcc LPASS_CLK_ID_TX_CORE_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
> -			assigned-clock-rates = <19200000>;
>   
>   			#clock-cells = <0>;
>   			clock-output-names = "fsgen";

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>