Re: [PATCH 07/13] scsi: ufs: qcom: Fail ufs_qcom_power_up_sequence() when core_reset fails

From: Manivannan Sadhasivam
Date: Thu Dec 07 2023 - 00:26:38 EST


On Wed, Dec 06, 2023 at 12:41:28PM -0600, Andrew Halaney wrote:
> On Fri, Dec 01, 2023 at 08:44:11PM +0530, Manivannan Sadhasivam wrote:
> > Even though core_reset is optional, a failure during assert/deassert should
> > be considered fatal, if core_reset is available. So fail
> > ufs_qcom_power_up_sequence() if an error happens during reset and also get
> > rid of the redundant warning as the ufs_qcom_host_reset() function itself
> > prints error messages.
> >
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
>
> Reviewed-by: Andrew Halaney <ahalaney@xxxxxxxxxx>
> > ---
> > drivers/ufs/host/ufs-qcom.c | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
> > index 604273a22afd..4948dd732aae 100644
> > --- a/drivers/ufs/host/ufs-qcom.c
> > +++ b/drivers/ufs/host/ufs-qcom.c
> > @@ -359,8 +359,7 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba)
> > /* Reset UFS Host Controller and PHY */
> > ret = ufs_qcom_host_reset(hba);
>
> I noticed that ufs_qcom_host_reset() doesn't return an error if
> reset_control_deassert() fails. Can you address this in the next spin of
> the series (I don't think its in the following patches that I glanced
> through).
>

Right. I'll fix it in next version.

- Mani

> Thanks,
> Andrew
>
> > if (ret)
> > - dev_warn(hba->dev, "%s: host reset returned %d\n",
> > - __func__, ret);
> > + return ret;
> >
> > /* phy initialization - calibrate the phy */
> > ret = phy_init(phy);
> > --
> > 2.25.1
> >
> >
>
>

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