linux-kernel - Re: [PATCH v2 1/1] scsi: ufs: full reinit upon resume if link was off

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Date:   Fri, 17 Apr 2020 17:26:37 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Can Guo <cang@...eaurora.org>
Cc:     asutoshd@...eaurora.org, nguyenb@...eaurora.org,
        hongwus@...eaurora.org, rnayak@...eaurora.org,
        linux-scsi@...r.kernel.org, kernel-team@...roid.com,
        saravanak@...gle.com, salyzyn@...gle.com,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        Bean Huo <beanhuo@...ron.com>,
        Bart Van Assche <bvanassche@....org>,
        Venkat Gopalakrishnan <venkatg@...eaurora.org>,
        Tomas Winkler <tomas.winkler@...el.com>,
        linux-kernel@...r.kernel.org (open list),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Mediatek SoC
        support),
        linux-mediatek@...ts.infradead.org (moderated list:ARM/Mediatek SoC
        support)
Subject: Re: [PATCH v2 1/1] scsi: ufs: full reinit upon resume if link was off


Can,

> During suspend, if the link is put to off, it would require a full
> initialization during resume. This patch resets and restores both the
> host and the card during initialization, otherwise, host only reset
> and restore may fail occasionally.

Applied to 5.8/scsi-queue, thanks!

> Signed-off-by: Asutosh Das <asutoshd@...eaurora.org>
> Signed-off-by: Can Guo <cang@...eaurora.org>
> Reviewed-by: Bean Huo <beanhuo@...ron.com>
> Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>
> Acked-by: Stanley Chu <stanley.chu@...iatek.com>
>
> Change since v1:
> - Incorporated Alim's comments.
>
> ---
>  drivers/scsi/ufs/ufshcd.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)

Don't forget to put the changelog after the "---" separator.

-- 
Martin K. Petersen	Oracle Linux Engineering