From: Oliver Neukum <oneukum@suse.de>
To: Aaron Lu <aaron.lu@amd.com>
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>,
Alan Stern <stern@rowland.harvard.edu>,
Jeff Garzik <jgarzik@pobox.com>, Lin Ming <minggr@gmail.com>,
Jeff Wu <jeff.wu@amd.com>,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org,
Aaron Lu <aaron.lwe@gmail.com>
Subject: Re: [PATCH v3 2/7] scsi: pm: use autosuspend if device supports it
Date: Thu, 26 Jul 2012 12:44:24 +0200 [thread overview]
Message-ID: <1476441.ovA4GKBza3@linux-lqwf.site> (raw)
In-Reply-To: <1343297129-28174-3-git-send-email-aaron.lu@amd.com>
On Thursday 26 July 2012 18:05:24 Aaron Lu wrote:
> If the device is using autosuspend, when scsi_autopm_put_device is
> called for it, use autosuspend runtime pm calls instead of the sync
> call.
What is the purpose of this approach?
You need a very good reason to have an API do two different things
based on this.
Regards
Oliver
next prev parent reply other threads:[~2012-07-26 10:44 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-26 10:05 [PATCH v3 0/7] ZPODD patches for scsi tree Aaron Lu
2012-07-26 10:05 ` Aaron Lu
2012-07-26 10:05 ` [PATCH v3 1/7] scsi: sr: check support for device busy class events Aaron Lu
2012-07-26 10:05 ` Aaron Lu
2012-07-26 10:05 ` [PATCH v3 2/7] scsi: pm: use autosuspend if device supports it Aaron Lu
2012-07-26 10:05 ` Aaron Lu
2012-07-26 10:44 ` Oliver Neukum [this message]
2012-07-26 12:43 ` Aaron Lu
2012-07-26 13:01 ` Oliver Neukum
2012-07-26 10:05 ` [PATCH v3 3/7] scsi: sr: support zero power ODD(ZPODD) Aaron Lu
2012-07-26 10:05 ` Aaron Lu
2012-07-26 10:05 ` [PATCH v3 4/7] scsi: sr: block events when runtime suspended Aaron Lu
2012-07-26 10:05 ` Aaron Lu
2012-07-26 10:05 ` [PATCH v3 5/7] scsi: pm: use runtime resume callback if available Aaron Lu
2012-07-26 10:05 ` Aaron Lu
2012-07-26 10:05 ` [PATCH v3 6/7] scsi: sr: balance sr disk events block depth Aaron Lu
2012-07-26 10:05 ` Aaron Lu
2012-07-26 10:54 ` Sergei Shtylyov
2012-07-26 12:47 ` Aaron Lu
2012-07-26 10:05 ` [PATCH v3 7/7] block: genhd: add an interface to set disk's poll interval Aaron Lu
2012-07-26 10:05 ` Aaron Lu
2012-07-26 13:43 ` [PATCH v3 0/7] ZPODD patches for scsi tree Jeff Garzik
2012-07-26 14:41 ` Aaron Lu
2012-07-26 18:04 ` Jeff Garzik
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