linux-kernel - RE: [PATCH v3 1/2] scsi: ufs: Probe for temperature notification support

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Message-ID: <DM6PR04MB657565612A342272B2160A72FCD99@DM6PR04MB6575.namprd04.prod.outlook.com>
Date:   Mon, 13 Sep 2021 07:49:38 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Guenter Roeck <linux@...ck-us.net>,
        "James E . J . Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>
CC:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Bart Van Assche <bvanassche@....org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Bean Huo <beanhuo@...ron.com>
Subject: RE: [PATCH v3 1/2] scsi: ufs: Probe for temperature notification
 support

> >> The "enable" attribute only makes sense if it can be used to actually
> >> enable or disable a specific sensor, and is not tied to limit
> >> attributes but to the actual sensor values.
> > See explanation above.
> >   Will make it writable as well.
> >
> 
> That only makes sense if the information is passed to the chip. What is going to
> happen if the user writes 0 into the attribute ?
Will turn off the temperature exception bits, so that Tcase is no longer valid,
and the device will always return Tcase = 0.

> Guenter