linux-kernel - Re: [PATCH 6.0 585/862] phy: qcom-qmp-pcie: fix resource mapping for SDM845 QHP PHY

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Message-ID: <Y0/BR5Qct1LNqPvM@hovoldconsulting.com>
Date:   Wed, 19 Oct 2022 11:20:07 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        Vinod Koul <vkoul@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 6.0 585/862] phy: qcom-qmp-pcie: fix resource mapping for
 SDM845 QHP PHY

On Wed, Oct 19, 2022 at 10:31:12AM +0200, Greg Kroah-Hartman wrote:
> From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> 
> [ Upstream commit 0a40891b83f257b25a2b983758f72f6813f361cb ]
> 
> On SDM845 one of PCIe PHYs (the QHP one) has the same region for TX and
> RX registers. Since the commit 4be26f695ffa ("phy: qcom-qmp-pcie: fix
> memleak on probe deferral") added checking that resources are not
> allocated beforehand, this PHY can not be probed anymore. Fix this by
> skipping the map of ->rx resource on the QHP PHY and assign it manually.
> 
> Fixes: 4be26f695ffa ("phy: qcom-qmp-pcie: fix memleak on probe deferral")

This one is not needed in 6.0 since the offending commit should not be
backported.

> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Reviewed-by: Johan Hovold <johan+linaro@...nel.org>
> Link: https://lore.kernel.org/r/20220926172514.880776-1-dmitry.baryshkov@linaro.org
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> Signed-off-by: Sasha Levin <sashal@...nel.org>

Johan