From: Oliver Neukum <oneukum@suse.de>
To: James Bottomley <James.Bottomley@hansenpartnership.com>
Cc: Aaron Lu <aaron.lu@intel.com>,
Alan Stern <stern@rowland.harvard.edu>,
Jeff Garzik <jgarzik@pobox.com>,
linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org,
linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org,
Aaron Lu <aaron.lwe@gmail.com>
Subject: Re: [PATCH v7 0/6] ZPODD patches
Date: Wed, 19 Sep 2012 15:05:15 +0200 [thread overview]
Message-ID: <3371596.56tAzlQG23@linux-lqwf.site> (raw)
In-Reply-To: <1348057667.2479.33.camel@dabdike.int.hansenpartnership.com>
On Wednesday 19 September 2012 13:27:47 James Bottomley wrote:
> On Wed, 2012-09-19 at 16:03 +0800, Aaron Lu wrote:
> > Hi James,
> >
> > May I know if this patchset will enter v3.7?
>
> Sigh, well, I was hoping to persuade the PM people to sort this out
> first.
>
> The first observation is that all this looks to be too specific. ZPO
> may be ACPI specific, but the property it abstracts: whether the
> particular device is powered off or not is generic and probably should
> be known at the generic PM level. Nothing actually really cares about
> how we power off the device until you get all the way down to the ACPI
> controller.
The SCSI layer however needs to know whether the cache is handled
by the OS or in the device and under which circumstances a device
can detect media change events.
Regards
Oliver
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next prev parent reply other threads:[~2012-09-19 13:06 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-12 8:29 [PATCH v7 0/6] ZPODD patches Aaron Lu
2012-09-12 8:29 ` [PATCH v7 1/6] block: genhd: add an interface to set disk poll interval Aaron Lu
2012-09-20 20:35 ` Rafael J. Wysocki
2012-09-12 8:29 ` [PATCH v7 2/6] scsi: sr: support runtime pm Aaron Lu
2012-09-20 20:48 ` Rafael J. Wysocki
2012-09-20 20:54 ` Alan Stern
2012-09-21 1:02 ` Aaron Lu
2012-09-21 20:49 ` Rafael J. Wysocki
2012-09-24 1:20 ` Aaron Lu
2012-09-24 12:55 ` Rafael J. Wysocki
2012-09-24 14:52 ` Aaron Lu
2012-09-24 21:40 ` Rafael J. Wysocki
2012-09-25 8:01 ` Aaron Lu
2012-09-25 11:47 ` Rafael J. Wysocki
2012-09-25 14:20 ` Aaron Lu
2012-09-25 14:23 ` Oliver Neukum
2012-09-25 14:46 ` Aaron Lu
2012-09-25 21:45 ` Rafael J. Wysocki
2012-09-26 1:03 ` Aaron Lu
2012-09-26 11:18 ` Rafael J. Wysocki
2012-09-26 14:52 ` Aaron Lu
2012-09-26 7:20 ` Oliver Neukum
2012-09-27 10:46 ` Oliver Neukum
2012-09-28 8:20 ` Aaron Lu
2012-09-12 8:29 ` [PATCH v7 3/6] scsi: sr: support zero power ODD(ZPODD) Aaron Lu
2012-09-20 22:07 ` Rafael J. Wysocki
2012-09-21 1:39 ` Aaron Lu
2012-09-21 21:02 ` Rafael J. Wysocki
2012-09-27 9:26 ` Aaron Lu
2012-09-27 14:42 ` Alan Stern
2012-09-27 14:55 ` Aaron Lu
2012-09-27 23:29 ` Rafael J. Wysocki
2012-09-24 21:55 ` Jeff Garzik
2012-09-12 8:29 ` [PATCH v7 4/6] scsi: pm: add may_power_off flag Aaron Lu
2012-09-12 8:29 ` [PATCH v7 5/6] scsi: sr: use may_power_off Aaron Lu
2012-09-12 8:29 ` [PATCH v7 6/6] libata: acpi: respect may_power_off flag Aaron Lu
2012-09-24 21:55 ` Jeff Garzik
2012-09-19 8:03 ` [PATCH v7 0/6] ZPODD patches Aaron Lu
2012-09-19 12:27 ` James Bottomley
2012-09-19 12:50 ` Rafael J. Wysocki
2012-09-19 14:19 ` Aaron Lu
2012-09-20 20:00 ` Rafael J. Wysocki
2012-09-21 5:48 ` Aaron Lu
2012-09-21 21:18 ` Rafael J. Wysocki
2012-09-22 7:32 ` Oliver Neukum
2012-09-22 11:28 ` Rafael J. Wysocki
2012-09-22 15:38 ` Alan Stern
2012-09-22 19:46 ` Rafael J. Wysocki
2012-09-22 20:23 ` Alan Stern
2012-09-22 21:48 ` Rafael J. Wysocki
2012-09-24 2:55 ` Aaron Lu
2012-09-24 13:06 ` Rafael J. Wysocki
2012-09-24 15:04 ` Aaron Lu
2012-09-24 21:46 ` Rafael J. Wysocki
2012-09-25 8:18 ` Aaron Lu
2012-09-25 11:02 ` James Bottomley
2012-09-25 13:56 ` Aaron Lu
2012-09-27 9:43 ` Aaron Lu
2012-09-19 14:52 ` James Bottomley
2012-09-20 21:46 ` Rafael J. Wysocki
2012-09-19 13:05 ` Oliver Neukum [this message]
2012-09-19 15:19 ` David Woodhouse
2012-09-20 0:34 ` Jack Wang
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