linux-kernel - Re: [PATCH] scsi: sd: add runtime pm to open / release

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Message-ID: <197d485d-d226-17c1-d6c2-c3a9080eaa58@acm.org>
Date:   Thu, 25 Jun 2020 20:53:22 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Martin Kepplinger <martin.kepplinger@...i.sm>, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, Alan Stern <stern@...land.harvard.edu>
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...i.sm
Subject: Re: [PATCH] scsi: sd: add runtime pm to open / release

On 2020-06-25 01:16, Martin Kepplinger wrote:
> Also, why isn't "autopm" used in its ioctl() implementation
> (as opposed to in "sr")?

Some of the scsi_autopm_{get,put}_device() calls in the sr driver
have been introduced by me before I fully understood runtime pm.
I will have a another look to see whether these are really
necessary and if not, post a patch to remove these again.

Bart.