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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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