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

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Date:   Sat, 12 Jun 2021 14:20:24 +0800
From:   Can Guo <cang@...eaurora.org>
To:     Bart Van Assche <bvanassche@....org>
Cc:     asutoshd@...eaurora.org, nguyenb@...eaurora.org,
        hongwus@...eaurora.org, ziqichen@...eaurora.org,
        linux-scsi@...r.kernel.org, kernel-team@...roid.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>,
        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 2021-06-12 04:40, Bart Van Assche wrote:
> 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.

Sure, will add in next version.

Thanks,
Can Guo.

> 
> Thanks,
> 
> Bart.