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Date:   Wed, 9 Dec 2020 09:09:30 +0800
From:   Stanley Chu <stanley.chu@...iatek.com>
To:     Bean Huo <huobean@...il.com>
CC:     <linux-scsi@...r.kernel.org>, <martin.petersen@...cle.com>,
        <avri.altman@....com>, <alim.akhtar@...sung.com>,
        <jejb@...ux.ibm.com>, <beanhuo@...ron.com>,
        <asutoshd@...eaurora.org>, <cang@...eaurora.org>,
        <matthias.bgg@...il.com>, <bvanassche@....org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <nguyenb@...eaurora.org>,
        <bjorn.andersson@...aro.org>, <kuohong.wang@...iatek.com>,
        <peter.wang@...iatek.com>, <chun-hung.wu@...iatek.com>,
        <andy.teng@...iatek.com>, <chaotian.jing@...iatek.com>,
        <cc.chou@...iatek.com>, <jiajie.hao@...iatek.com>,
        <alice.chao@...iatek.com>
Subject: Re: [PATCH v2 1/2] scsi: ufs: Re-enable WriteBooster after device
 reset

On Tue, 2020-12-08 at 15:13 +0100, Bean Huo wrote:
> On Tue, 2020-12-08 at 21:56 +0800, Stanley Chu wrote:
> > index 08c8a591e6b0..36d367eb8139 100644
> > --- a/drivers/scsi/ufs/ufshcd.h
> > +++ b/drivers/scsi/ufs/ufshcd.h
> > @@ -1221,8 +1221,13 @@ static inline void
> > ufshcd_vops_device_reset(struct ufs_hba *hba)
> >         if (hba->vops && hba->vops->device_reset) {
> >                 int err = hba->vops->device_reset(hba);
> >  
> > -               if (!err)
> > +               if (!err) {
> >                         ufshcd_set_ufs_dev_active(hba);
> > +                       if (ufshcd_is_wb_allowed(hba)) {
> > +                               hba->wb_enabled = false;
> > +                               hba->wb_buf_flush_enabled = false;
> > +                       }
> > +               }
> 
> Stanley,
> how do you think group wb_buf_flush_enabled and wb_enabled to the
> dev_info, since they are UFS device attributes. means they are set only
> when UFS device flags being set.

Hi Bean,

Thanks for your review.

Yes, I agreed that wb related variables is a mess currently. I would
like to clean them up once I have time. Feel free to post your patch if
you want to take it up : )

Thanks,
Stanley Chu

> 
> Reviewed-by: Bean Huo <beanhuo@...ron.com>
> 

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