linux-kernel - Re: [PATCH 4/6] arm64: dts: qcom: x1e80100: Wire up PCIe PHY NOCSR resets

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Message-ID: <s3d4tc3rstno6rtzlmpab6jho4dixjljo3u4b64r7luaszqlmp@3djmby5d3gij>
Date: Sat, 25 Jan 2025 19:32:15 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Konrad Dybcio <konradybcio@...nel.org>
Cc: Vinod Koul <vkoul@...nel.org>, 
	Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Bjorn Andersson <andersson@...nel.org>, Marijn Suijten <marijn.suijten@...ainline.org>, 
	linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH 4/6] arm64: dts: qcom: x1e80100: Wire up PCIe PHY NOCSR
 resets

On Sat, Jan 25, 2025 at 04:31:20AM +0100, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> 
> Asserting the NOCSR reset line keeps the PHY registers in tact.
> This allows us to avoid programming long tables of magic values in the
> operating system.
> 
> Wire up these resets to PCIe PHY4 and 5 (it's there on the others).
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/x1e80100.dtsi | 12 ++++++++----
>  1 file changed, 8 insertions(+), 4 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

-- 
With best wishes
Dmitry