linux-kernel - Re: [PATCH AUTOSEL 6.14 08/31] phy: qcom: qmp-pcie: Add X1P42100 Gen4x4 PHY

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Message-ID: <Z_dt0F-XzGIJWhnz@hovoldconsulting.com>
Date: Thu, 10 Apr 2025 09:05:52 +0200
From: Johan Hovold <johan@...nel.org>
To: Sasha Levin <sashal@...nel.org>
Cc: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Jens Glathe <jens.glathe@...schoolsolutions.biz>,
	Vinod Koul <vkoul@...nel.org>, kishon@...nel.org, lumag@...nel.org,
	abel.vesa@...aro.org, neil.armstrong@...aro.org,
	quic_qianyu@...cinc.com, quic_ziyuzhan@...cinc.com,
	quic_devipriy@...cinc.com, quic_krichai@...cinc.com,
	manivannan.sadhasivam@...aro.org, johan+linaro@...nel.org,
	linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org
Subject: Re: [PATCH AUTOSEL 6.14 08/31] phy: qcom: qmp-pcie: Add X1P42100
 Gen4x4 PHY

On Mon, Apr 07, 2025 at 02:10:24PM -0400, Sasha Levin wrote:
> From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> 
> [ Upstream commit 0d8db251dd15d2e284f5a6a53bc2b869f3eca711 ]
> 
> Add a new, common configuration for Gen4x4 V6 PHYs without an init
> sequence.
> 
> The bootloader configures the hardware once and the OS retains that
> configuration by using the NOCSR reset line (which doesn't drop
> register state on assert) in place of the "full reset" one.
> 
> Use this new configuration for X1P42100's Gen4x4 PHY.
> 
> Acked-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Tested-by: Jens Glathe <jens.glathe@...schoolsolutions.biz>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> Link: https://lore.kernel.org/r/20250203-topic-x1p4_dts-v2-3-72cd4cdc767b@oss.qualcomm.com
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> Signed-off-by: Sasha Levin <sashal@...nel.org>

Support for this SoC is not even in mainline yet so there is really no
need to backport this one.

Please drop from all stable queues.

Johan