linux-kernel - RE: [PATCH v4 6/9] scsi: ufshpb: Add hpb dev reset response

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Message-ID: <2038148563.21614673682593.JavaMail.epsvc@epcpadp4>
Date:   Tue, 02 Mar 2021 17:20:28 +0900
From:   Daejun Park <daejun7.park@...sung.com>
To:     "James E . J . Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Avri Altman <avri.altman@....com>
CC:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Bart Van Assche <bvanassche@....org>,
        yongmyung lee <ymhungry.lee@...sung.com>,
        Daejun Park <daejun7.park@...sung.com>,
        ALIM AKHTAR <alim.akhtar@...sung.com>,
        "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
        Zang Leigang <zangleigang@...ilicon.com>,
        Avi Shchislowski <avi.shchislowski@....com>,
        Bean Huo <beanhuo@...ron.com>,
        "cang@...eaurora.org" <cang@...eaurora.org>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>
Subject: RE: [PATCH v4 6/9] scsi: ufshpb: Add hpb dev reset response

Hi Avri,

> diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c
> index cf704b82e72a..f33aa28e0a0a 100644
> --- a/drivers/scsi/ufs/ufshpb.c
> +++ b/drivers/scsi/ufs/ufshpb.c
> @@ -642,7 +642,8 @@ int ufshpb_prep(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
>                  if (rgn->reads == ACTIVATION_THRESHOLD)
>                          activate = true;
>                  spin_unlock_irqrestore(&rgn->rgn_lock, flags);
> -                if (activate) {
> +                if (activate ||
> +                    test_and_clear_bit(RGN_FLAG_UPDATE, &rgn->rgn_flags)) {

How about merge rgn->rgn_flags to rgn_state?

Thanks,
Daejun