From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: bvanassche@acm.org, Martin Kepplinger <martin.kepplinger@puri.sm>
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
stern@rowland.harvard.edu, hch@infradead.org, jejb@linux.ibm.com,
linux-pm@vger.kernel.org, kernel@puri.sm
Subject: Re: [PATCH v6 0/3] fix runtime PM for SD card readers
Date: Tue, 27 Jul 2021 00:14:55 -0400 [thread overview]
Message-ID: <162735928263.14097.780228342442715900.b4-ty@oracle.com> (raw)
In-Reply-To: <20210704075403.147114-1-martin.kepplinger@puri.sm>
On Sun, 4 Jul 2021 09:54:00 +0200, Martin Kepplinger wrote:
> (According to Alan Stern, "as far as I know, all") SD card readers send
> MEDIA_CHANGED unit attention notification on (runtime) resume. We cannot
> use runtime PM with these devices as I/O always fails in that case.
>
> This fixes runtime PM for SD cardreaders. I'd appreciate any feedback.
>
> To enable runtime PM for an SD cardreader number 0:0:0:0, do:
>
> [...]
Applied to 5.15/scsi-queue, thanks!
[1/3] scsi: devinfo: add new flag BLIST_MEDIA_CHANGE
https://git.kernel.org/mkp/scsi/c/f591a2e0548d
[2/3] scsi: sd: send REQUEST SENSE for BLIST_MEDIA_CHANGE devices in runtime_resume()
https://git.kernel.org/mkp/scsi/c/ed4246d37f3b
[3/3] scsi: devinfo: add BLIST_MEDIA_CHANGE for Ultra HS-SD/MMC usb cardreaders
https://git.kernel.org/mkp/scsi/c/9abe677951d1
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2021-07-27 4:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-04 7:54 [PATCH v6 0/3] fix runtime PM for SD card readers Martin Kepplinger
2021-07-04 7:54 ` [PATCH v6 1/3] scsi: devinfo: add new flag BLIST_MEDIA_CHANGE Martin Kepplinger
2021-07-04 7:54 ` [PATCH v6 2/3] scsi: sd: send REQUEST SENSE for BLIST_MEDIA_CHANGE devices in runtime_resume() Martin Kepplinger
2021-07-04 7:54 ` [PATCH v6 3/3] scsi: devinfo: add BLIST_MEDIA_CHANGE for Ultra HS-SD/MMC usb cardreaders Martin Kepplinger
2021-07-22 3:59 ` [PATCH v6 0/3] fix runtime PM for SD card readers Martin K. Petersen
2021-07-27 4:14 ` Martin K. Petersen [this message]
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