linux-kernel - Re: [PATCH 3/5] ARM: dts: qcom: msm8960: disable gsbi1 and gsbi5 nodes in msm8960 dtsi

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Message-ID: <7b024732-6ae7-40f7-b0fe-02a9bf090e1f@oss.qualcomm.com>
Date: Sat, 14 Jun 2025 20:33:27 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Antony Kurniawan Soemardi <linux@...nkusors.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Max Shevchenko <wctrl@...ton.me>,
        Rudraksha Gupta <guptarud@...il.com>
Subject: Re: [PATCH 3/5] ARM: dts: qcom: msm8960: disable gsbi1 and gsbi5
 nodes in msm8960 dtsi

On 6/13/25 7:50 PM, Antony Kurniawan Soemardi wrote:
> Not all devices use gsbi1 and gsbi5, so these nodes should be disabled
> in the SoC dtsi, following the existing pattern used for gsbi3. The
> upstream samsung-expressatt and msm8960-cdp devices already have status
> "okay" for these nodes, so this change should not break existing
> functionality.
> 
> This eliminates the following error messages when gsbi nodes are not
> configured in the board's device tree:
> [    1.109723] gsbi 16000000.gsbi: missing mode configuration
> [    1.109797] gsbi 16000000.gsbi: probe with driver gsbi failed with error -22
> 
> (Note: Xperia SP doesn't use gsbi5)
> 
> Signed-off-by: Antony Kurniawan Soemardi <linux@...nkusors.com>
> ---
>  arch/arm/boot/dts/qcom/qcom-msm8960.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom/qcom-msm8960.dtsi b/arch/arm/boot/dts/qcom/qcom-msm8960.dtsi
> index 66071ad498e49c4f54ba105fa94640575fe08da6..84d4d1bffa9f73b5e395e4290b8dc856e0966e9b 100644
> --- a/arch/arm/boot/dts/qcom/qcom-msm8960.dtsi
> +++ b/arch/arm/boot/dts/qcom/qcom-msm8960.dtsi
> @@ -321,6 +321,7 @@ gsbi5: gsbi@...00000 {
>  			ranges;
>  
>  			syscon-tcsr = <&tcsr>;
> +			status = "disabled";
>  
>  			gsbi5_serial: serial@...40000 {
>  				compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm";
> @@ -440,6 +441,7 @@ gsbi1: gsbi@...00000 {
>  			#address-cells = <1>;
>  			#size-cells = <1>;
>  			ranges;
> +			status = "disabled";

I know I'm picking on style a whole lot, but please keep a newline
before 'status

Konrad