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

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From: Alan Cox <alan@...>
To: Jeff Garzik <jeff@...>
Cc: Pavel Machek <pavel@...>, Kristen Carlson Accardi <kristen.c.accardi@...>, Theodore Tso <tytso@...>, <linux-ide@...>, <linux-kernel@...>
Subject: Re: [PATCH] ata: ahci: power off unused ports
Date: Monday, June 2, 2008 - 3:04 am

> If you are talking about SATA -- incorrect.

The policy isn't however complicated. Tejun added the stuff for forcing
cable type and mode on setup and has therefore written all the per device
setup code we might need. Alternatively a single

	foo=1/0

option has been fine for acpi and will do fine for this. Total additional
cost - 1 line.

Alan
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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)