linux-kernel - Re: [PATCH 5.15.y 4/4] phy: qcom-qmp-combo: fix runtime suspend

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Date:   Fri, 13 Jan 2023 14:04:35 -0600
From:   Stephen Boyd <swboyd@...omium.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     stable@...r.kernel.org, Johan Hovold <johan+linaro@...nel.org>,
        linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Vinod Koul <vkoul@...nel.org>
Subject: Re: [PATCH 5.15.y 4/4] phy: qcom-qmp-combo: fix runtime suspend

Quoting Johan Hovold (2023-01-13 00:09:35)
> On Thu, Jan 12, 2023 at 04:54:05PM -0800, Stephen Boyd wrote:
> > diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> > index 9fda6d283f20..d928afe2ebba 100644
> > --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> > +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> > @@ -4985,15 +4985,11 @@ static void qcom_qmp_phy_disable_autonomous_mode(struct qmp_phy *qphy)
> >  static int __maybe_unused qcom_qmp_phy_runtime_suspend(struct device *dev)
> >  {
> >       struct qcom_qmp *qmp = dev_get_drvdata(dev);
> > -     struct qmp_phy *qphy = qmp->phys[0];
> > +     struct qmp_phy *qphy = qmp->usb_phy;
> >       const struct qmp_phy_cfg *cfg = qphy->cfg;
> >
> >       dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qphy->mode);
>
> So this doesn't work currently either as the usb_phy pointer is not set
> for PCIe and UFS PHYs.

Cool, setting usb_phy for pcie and ufs fixes this.