linux-kernel - Re: [PATCH 03/12] arm64: dts: qcom: x1e80100-qcp: disable PCIe6a perst pull down

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Message-ID: <Zp4udVkE0Ts1H+AW@linaro.org>
Date: Mon, 22 Jul 2024 13:03:33 +0300
From: Abel Vesa <abel.vesa@...aro.org>
To: Johan Hovold <johan+linaro@...nel.org>
Cc: Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sibi Sankar <quic_sibis@...cinc.com>,
	Rajendra Nayak <quic_rjendra@...cinc.com>,
	Xilin Wu <wuxilin123@...il.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/12] arm64: dts: qcom: x1e80100-qcp: disable PCIe6a
 perst pull down

On 24-07-22 11:54:50, Johan Hovold wrote:
> Disable the PCIe6a perst pull-down resistor to save some power.
> 
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>

Reviewed-by: Abel Vesa <abel.vesa@...aro.org>

> ---
>  arch/arm64/boot/dts/qcom/x1e80100-qcp.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> index 86735f07fbb5..998e5ea2f52e 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> +++ b/arch/arm64/boot/dts/qcom/x1e80100-qcp.dts
> @@ -677,7 +677,7 @@ perst-n-pins {
>  			pins = "gpio152";
>  			function = "gpio";
>  			drive-strength = <2>;
> -			bias-pull-down;
> +			bias-disable;
>  		};
>  
>  		wake-n-pins {
> -- 
> 2.44.2
>