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Message-ID: <oyjzluv5ldvurqzsqiwxnjtmpvvjavkdxvbetwctq7qentdjbh@r27gvlj62scq>
Date:   Mon, 11 Dec 2023 13:51:56 -0600
From:   Andrew Halaney <ahalaney@...hat.com>
To:     Bart Van Assche <bvanassche@....org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Yaniv Gardi <ygardi@...eaurora.org>,
        Dov Levenglick <dovl@...eaurora.org>,
        Will Deacon <will@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: ufs: qcom: Perform read back after writing reset
 bit

On Mon, Dec 11, 2023 at 09:59:25AM -0800, Bart Van Assche wrote:
> 
> On 12/8/23 12:19, Andrew Halaney wrote:
> > The recommendation for ensuring this bit has taken effect on the
> > device is to perform a read back to force it to make it all the way
> > to the device. This is documented in device-io.rst  [... ]
> There are more mb()'s that need to be replaced, namely the mb() calls in
> ufshcd_system_restore() and ufshcd_init().

I'll poke at those in v2 (or in a separate series if this is scooped up
prior).

Thanks,
Andrew

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