From: Avri Altman <Avri.Altman@wdc.com>
To: Guenter Roeck <linux@roeck-us.net>,
"James E . J . Bottomley" <jejb@linux.vnet.ibm.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Bart Van Assche <bvanassche@acm.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Bean Huo <beanhuo@micron.com>
Subject: RE: [PATCH v3 1/2] scsi: ufs: Probe for temperature notification support
Date: Mon, 13 Sep 2021 15:26:07 +0000 [thread overview]
Message-ID: <DM6PR04MB6575A743E23128B63B790D7FFCD99@DM6PR04MB6575.namprd04.prod.outlook.com> (raw)
In-Reply-To: <bbe45ecf-853f-77f7-9094-ded8c59075f4@roeck-us.net>
> On 9/13/21 12:49 AM, Avri Altman wrote:
> >>>> 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.
> >
>
> Ok. Then attempts to read the temperature should return -ENODATA, not -
> EINVAL, if Tcase == 0.
OK. Thanks,
Avri
>
> Guenter
next prev parent reply other threads:[~2021-09-13 15:26 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-12 13:19 [PATCH v3 0/2] Add temperature notification support Avri Altman
2021-09-12 13:19 ` [PATCH v3 1/2] scsi: ufs: Probe for " Avri Altman
2021-09-12 15:24 ` Guenter Roeck
2021-09-13 7:06 ` Avri Altman
2021-09-13 7:41 ` Guenter Roeck
2021-09-13 7:49 ` Avri Altman
2021-09-13 14:24 ` Guenter Roeck
2021-09-13 15:26 ` Avri Altman [this message]
2021-09-12 13:19 ` [PATCH v3 2/2] scsi: ufs: Add temperature notification exception handling Avri Altman
2021-09-12 15:43 ` kernel test robot
2021-09-12 15:55 ` Guenter Roeck
2021-09-13 6:09 ` Avri Altman
2021-09-12 16:33 ` kernel test robot
2021-09-12 16:50 ` kernel test robot
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