linux-kernel - Re: Patch "phy: qcom-qmp-combo: fix runtime suspend" has been added to the 5.15-stable tree

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Date:   Tue, 27 Dec 2022 10:14:59 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     stable-commits@...r.kernel.org, johan+linaro@...nel.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: Patch "phy: qcom-qmp-combo: fix runtime suspend" has been added
 to the 5.15-stable tree

On Sun, Dec 25, 2022 at 10:09:13AM -0500, Sasha Levin wrote:
> This is a note to let you know that I've just added the patch titled
> 
>     phy: qcom-qmp-combo: fix runtime suspend
> 
> to the 5.15-stable tree which can be found at:
>     http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> 
> The filename of the patch is:
>      phy-qcom-qmp-combo-fix-runtime-suspend.patch
> and it can be found in the queue-5.15 subdirectory.
> 
> If you, or anyone else, feels it should not be added to the stable tree,
> please let <stable@...r.kernel.org> know about it.
> 
> 
> 
> commit d17b3a7b0119f7d92788acbe0f3d3b31bd8f892b
> Author: Johan Hovold <johan+linaro@...nel.org>
> Date:   Mon Nov 14 09:13:45 2022 +0100
> 
>     phy: qcom-qmp-combo: fix runtime suspend
>     
>     [ Upstream commit c7b98de745cffdceefc077ad5cf9cda032ef8959 ]
>     
>     Drop the confused runtime-suspend type check which effectively broke
>     runtime PM if the DP child node happens to be parsed before the USB
>     child node during probe (e.g. due to order of child nodes in the
>     devicetree).
>     
>     Instead use the new driver data USB PHY pointer to access the USB
>     configuration and resources.
>     
>     Fixes: 52e013d0bffa ("phy: qcom-qmp: Add support for DP in USB3+DP combo phy")
>     Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>     Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
>     Link: https://lore.kernel.org/r/20221114081346.5116-6-johan+linaro@kernel.org
>     Signed-off-by: Vinod Koul <vkoul@...nel.org>
>     Signed-off-by: Sasha Levin <sashal@...nel.org>

This one was not marked for stable and can not be backported without
further dependencies. This driver did not even exist in 5.15, and no,
you should no try to backport the split of the original driver either.

Sasha, please stop this madness. 

Johan