linux-kernel - Re: [<PATCH v1> 1/1] scsi: ufs: Resume ufs host before accessing ufs device

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Message-ID: <yq1tv2aeecx.fsf@oracle.com>
Date:   Thu, 26 Mar 2020 22:11:26 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Asutosh Das <asutoshd@...eaurora.org>
Cc:     cang@...eaurora.org, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, Nitin Rawat <nitirawa@...eaurora.org>,
        linux-arm-msm@...r.kernel.org,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        Bean Huo <beanhuo@...ron.com>,
        Tomas Winkler <tomas.winkler@...el.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: Re: [<PATCH v1> 1/1] scsi: ufs: Resume ufs host before accessing ufs device


Asutosh,

> As a part of sysfs reading of descriptors/attributes/flags, query
> commands should only be executed when hba's power runtime status is
> active.  To guarantee this, add pm_runtime_get/put_sync() to those
> paths where query commands are sent.

Applied to 5.7/scsi-queue, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering