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Re: [PATCH] ata: ahci: power off unused ports

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From: Matthew Garrett <mjg59@...>
To: Kristen Carlson Accardi <kristen.c.accardi@...>
Cc: <jeff@...>, <linux-ide@...>, <linux-kernel@...>
Subject: Re: [PATCH] ata: ahci: power off unused ports
Date: Thursday, May 8, 2008 - 8:14 pm

On Thu, May 08, 2008 at 04:35:55PM -0700, Kristen Carlson Accardi wrote:

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.

-- 
Matthew Garrett | mjg59@srcf.ucam.org
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Messages in current thread:
[PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Thu May 8, 7:10 pm)
Re: [PATCH] ata: ahci: power off unused ports, Theodore Tso, (Mon May 26, 11:08 pm)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Tue May 27, 5:32 pm)
Re: [PATCH] ata: ahci: power off unused ports, Theodore Tso, (Tue May 27, 6:59 pm)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Tue May 27, 7:32 pm)
Re: [PATCH] ata: ahci: power off unused ports, Pavel Machek, (Sat May 31, 4:00 am)
Re: [PATCH] ata: ahci: power off unused ports, Jeff Garzik, (Sun Jun 1, 3:16 pm)
Re: [PATCH] ata: ahci: power off unused ports, Alan Cox, (Mon Jun 2, 3:04 am)
Re: [PATCH] ata: ahci: power off unused ports, Jeff Garzik, (Mon Jun 2, 3:43 am)
Re: [PATCH] ata: ahci: power off unused ports, Mark Lord, (Mon Jun 2, 9:03 am)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Mon Jun 2, 12:57 pm)
Re: [PATCH] ata: ahci: power off unused ports, Jeff Garzik, (Mon Jun 2, 1:44 pm)
Re: [PATCH] ata: ahci: power off unused ports, Jeff Garzik, (Mon Jun 2, 12:07 pm)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Mon Jun 2, 1:00 pm)
Re: [PATCH] ata: ahci: power off unused ports, Jeff Garzik, (Mon Jun 2, 1:45 pm)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Mon Jun 2, 1:47 pm)
Re: [PATCH] ata: ahci: power off unused ports, Jeff Garzik, (Mon Jun 2, 2:15 pm)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Mon Jun 2, 2:16 pm)
Re: [PATCH] ata: ahci: power off unused ports, Jeff Garzik, (Mon Jun 2, 2:38 pm)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Tue Jun 3, 12:49 pm)
Re: [PATCH] ata: ahci: power off unused ports, Ric Wheeler, (Mon Jun 2, 2:30 pm)
Re: [PATCH] ata: ahci: power off unused ports, Jeff Garzik, (Mon Jun 2, 2:40 pm)
Re: [PATCH] ata: ahci: power off unused ports, Matthew Garrett, (Mon Jun 2, 4:00 pm)
Re: [PATCH] ata: ahci: power off unused ports, Ric Wheeler, (Mon Jun 2, 2:49 pm)
Re: [PATCH] ata: ahci: power off unused ports, Jeff Garzik, (Mon Jun 2, 2:52 pm)
Re: [PATCH] ata: ahci: power off unused ports, Greg Freemyer, (Mon Jun 2, 1:07 pm)
Re: [PATCH] ata: ahci: power off unused ports, Alan Cox, (Mon Jun 2, 4:22 am)
Re: [PATCH] ata: ahci: power off unused ports, Jeff Garzik, (Mon Jun 2, 5:48 am)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Mon Jun 2, 12:55 pm)
Re: [PATCH] ata: ahci: power off unused ports, Alan Cox, (Mon Jun 2, 9:54 am)
Re: [PATCH] ata: ahci: power off unused ports, Mark Lord, (Fri May 9, 11:06 am)
Port control interface (was Re: [PATCH] ata: ahci: power off..., Jeff Garzik, (Fri May 9, 11:28 am)
Re: [PATCH] ata: ahci: power off unused ports, Matthew Garrett, (Thu May 8, 7:37 pm)
Re: [PATCH] ata: ahci: power off unused ports, Lennart Sorensen, (Fri May 9, 11:58 am)
Re: [PATCH] ata: ahci: power off unused ports, Matthew Garrett, (Fri May 9, 12:06 pm)
Re: [PATCH] ata: ahci: power off unused ports, Lennart Sorensen, (Fri May 9, 12:14 pm)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Fri May 9, 1:14 pm)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Thu May 8, 7:35 pm)
Re: [PATCH] ata: ahci: power off unused ports, Matthew Garrett, (Thu May 8, 8:14 pm)
Re: [PATCH] ata: ahci: power off unused ports, Kristen Carlson Accardi, (Thu May 8, 8:28 pm)