linux-kernel - Re: [PATCH v3 1/9] scsi: ufs: Differentiate status between hba pm ops and wl pm ops

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Message-ID: <1b581673-a5f7-f2a8-787c-f055082dc9d2@acm.org>
Date:   Fri, 11 Jun 2021 13:40:18 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Can Guo <cang@...eaurora.org>, asutoshd@...eaurora.org,
        nguyenb@...eaurora.org, hongwus@...eaurora.org,
        ziqichen@...eaurora.org, linux-scsi@...r.kernel.org,
        kernel-team@...roid.com
Cc:     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>,
        Stanley Chu <stanley.chu@...iatek.com>,
        Bean Huo <beanhuo@...ron.com>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kiwoong Kim <kwmad.kim@...sung.com>,
        Satya Tangirala <satyat@...gle.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/9] scsi: ufs: Differentiate status between hba pm ops
 and wl pm ops

On 6/9/21 9:43 PM, Can Guo wrote:
> Put pm_op_in_progress and is_sys_suspend flags back to ufshcd hba pm ops,
> add two new flags, namely wl_pm_op_in_progress and is_wl_sys_suspended, to
> track the UFS device W-LU pm ops. This helps us differentiate the status of
> hba and wl pm ops when we need to do troubleshooting.

Since "WL" is an uncommon abbreviation, please add a comment above the
definition of struct ufs_hba that explains the meaning of the new member
variables.

Thanks,

Bart.