From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Martin Kepplinger <martin.kepplinger@puri.sm>
Cc: bvanassche@acm.org, hch@infradead.org, jejb@linux.ibm.com,
kernel@puri.sm, linux-kernel@vger.kernel.org,
linux-pm@vger.kernel.org, linux-scsi@vger.kernel.org,
martin.petersen@oracle.com, stern@rowland.harvard.edu
Subject: Re: [PATCH v6 0/3] fix runtime PM for SD card readers
Date: Wed, 21 Jul 2021 23:59:02 -0400 [thread overview]
Message-ID: <yq1czrbxapj.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20210704075403.147114-1-martin.kepplinger@puri.sm> (Martin Kepplinger's message of "Sun, 4 Jul 2021 09:54:00 +0200")
Martin,
> (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.
Made a few changes (added "ignore" to clarify what the flag does and
twiddled how the workaround is triggered in sd.c). Applied to
5.15/scsi-staging, thanks!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2021-07-22 3:59 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 ` Martin K. Petersen [this message]
2021-07-27 4:14 ` [PATCH v6 0/3] fix runtime PM for SD card readers Martin K. Petersen
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