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Date:   Thu, 7 Dec 2023 10:56:26 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To:     Andrew Halaney <ahalaney@redhat.com>
Cc:     martin.petersen@oracle.com, jejb@linux.ibm.com,
        andersson@kernel.org, konrad.dybcio@linaro.org,
        linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org,
        linux-kernel@vger.kernel.org, quic_cang@quicinc.com
Subject: Re: [PATCH 07/13] scsi: ufs: qcom: Fail ufs_qcom_power_up_sequence()
 when core_reset fails
Message-ID: <20231207052626.GB2932@thinkpad>
References: <20231201151417.65500-1-manivannan.sadhasivam@linaro.org>
 <20231201151417.65500-8-manivannan.sadhasivam@linaro.org>
 <iecwyzsamuwhatodicsfptf3dgl5nglrdqyennmhagpjz7yrtr@r72gejcvhi6w>
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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@linaro.org>
> 
> Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
> > ---
> >  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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