From: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: jeff@garzik.org, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ata: ahci: power off unused ports
Date: Thu, 8 May 2008 17:28:59 -0700 [thread overview]
Message-ID: <20080508172859.4b0cd9af@appleyard> (raw)
In-Reply-To: <20080509001458.GA16082@srcf.ucam.org>
On Fri, 9 May 2008 01:14:58 +0100
Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> On Thu, May 08, 2008 at 04:35:55PM -0700, Kristen Carlson Accardi wrote:
> > On Fri, 9 May 2008 00:37:13 +0100
> > Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> > > Just out of interest, is this set on laptop bays? (Are any of those even
> > > native SATA yet?)
> >
> > I haven't seen any yet that are. Most of them are PATA. I expect
> > that will change in the future.
>
> Yeah. My vague concern would be that on laptops, we can probably power
> down the port even if it's declared as being hotplug capable - we'll
> probably get an out of band signal from ACPI anyway. Not an issue at the
> moment, but possibly something we'll hit in future.
>
well - when drive bays on laptops are able to be controlled by
AHCI, they may not actually use _EJ0 or send notifications anymore,
since ACPI will not longer be necessary for hotplugging. We'll have
to see what happens.
next prev parent reply other threads:[~2008-05-09 0:36 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-08 23:10 [PATCH] ata: ahci: power off unused ports Kristen Carlson Accardi
2008-05-08 23:37 ` Matthew Garrett
2008-05-08 23:35 ` Kristen Carlson Accardi
2008-05-09 0:14 ` Matthew Garrett
2008-05-09 0:28 ` Kristen Carlson Accardi [this message]
2008-05-09 15:58 ` Lennart Sorensen
2008-05-09 16:06 ` Matthew Garrett
2008-05-09 16:14 ` Lennart Sorensen
2008-05-09 17:14 ` Kristen Carlson Accardi
2008-05-09 17:14 ` Kristen Carlson Accardi
2008-05-09 15:06 ` Mark Lord
2008-05-09 15:28 ` Port control interface (was Re: [PATCH] ata: ahci: power off unused ports) Jeff Garzik
2008-05-27 3:08 ` [PATCH] ata: ahci: power off unused ports Theodore Tso
2008-05-27 21:32 ` Kristen Carlson Accardi
2008-05-27 22:59 ` Theodore Tso
2008-05-27 23:32 ` Kristen Carlson Accardi
2008-05-31 8:00 ` Pavel Machek
2008-06-01 19:16 ` Jeff Garzik
2008-06-02 7:04 ` Alan Cox
2008-06-02 7:43 ` Jeff Garzik
2008-06-02 8:22 ` Alan Cox
2008-06-02 9:48 ` Jeff Garzik
2008-06-02 13:54 ` Alan Cox
2008-06-02 16:55 ` Kristen Carlson Accardi
2008-06-02 13:03 ` Mark Lord
2008-06-02 16:07 ` Jeff Garzik
2008-06-02 17:00 ` Kristen Carlson Accardi
2008-06-02 17:45 ` Jeff Garzik
2008-06-02 17:47 ` Kristen Carlson Accardi
2008-06-02 18:15 ` Jeff Garzik
2008-06-02 18:16 ` Kristen Carlson Accardi
2008-06-02 18:30 ` Ric Wheeler
2008-06-02 18:40 ` Jeff Garzik
2008-06-02 18:49 ` Ric Wheeler
2008-06-02 18:52 ` Jeff Garzik
2008-06-02 20:00 ` Matthew Garrett
2008-06-02 18:38 ` Jeff Garzik
2008-06-03 16:49 ` Kristen Carlson Accardi
2008-06-02 17:07 ` Greg Freemyer
2008-06-02 16:57 ` Kristen Carlson Accardi
2008-06-02 17:44 ` Jeff Garzik
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