linux-kernel - Re: [PATCH 4/7] arm64: dts: qcom: sc8280xp: fix USB clock order

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Date:   Thu, 14 Jul 2022 12:52:22 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Johan Hovold <johan+linaro@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Felipe Balbi <balbi@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        linux-arm-msm@...r.kernel.org, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/7] arm64: dts: qcom: sc8280xp: fix USB clock order

On 13/07/2022 15:13, Johan Hovold wrote:
> Fix the USB controller clock order and naming so that they match the
> devicetree binding.
> 
> Note that the driver currently simply enables all clocks in the order
> that they are specified in the devicetree. Reordering the clocks as per
> the binding means that the only explicit ordering constraint found in
> the vendor driver, that cfg_noc should be enabled before the core_clk,
> is now honoured.
> 
> Fixes: 152d1faf1e2f ("arm64: dts: qcom: add SC8280XP platform")
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> ---
>  arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> index 285a9828c250..45cc7d714fd2 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
> @@ -1855,16 +1855,16 @@ usb_0: usb@...8800 {
>  			#size-cells = <2>;
>  			ranges;
>  
> -			clocks = <&gcc GCC_USB30_PRIM_MASTER_CLK>,
> -				 <&gcc GCC_CFG_NOC_USB3_PRIM_AXI_CLK>,
> +			clocks = <&gcc GCC_CFG_NOC_USB3_PRIM_AXI_CLK>,
> +				 <&gcc GCC_USB30_PRIM_MASTER_CLK>,
>  				 <&gcc GCC_AGGRE_USB3_PRIM_AXI_CLK>,
> -				 <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
>  				 <&gcc GCC_USB30_PRIM_SLEEP_CLK>,
> +				 <&gcc GCC_USB30_PRIM_MOCK_UTMI_CLK>,
>  				 <&gcc GCC_AGGRE_USB_NOC_AXI_CLK>,
>  				 <&gcc GCC_AGGRE_USB_NOC_NORTH_AXI_CLK>,
>  				 <&gcc GCC_AGGRE_USB_NOC_SOUTH_AXI_CLK>,
>  				 <&gcc GCC_SYS_NOC_USB_AXI_CLK>;
> -			clock-names = "core", "iface", "bus_aggr", "utmi", "sleep",
> +			clock-names = "cfg_noc", "core", "iface", "sleep", "mock_utmi",
>  				      "noc_aggr", "noc_aggr_north", "noc_aggr_south", "noc_sys";

Your commit title should also include change of naming.

Best regards,
Krzysztof