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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jeff Garzik <jeff@garzik.org>
Cc: Pavel Machek <pavel@ucw.cz>,
	Kristen Carlson Accardi <kristen.c.accardi@intel.com>,
	Theodore Tso <tytso@mit.edu>,
	linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ata: ahci: power off unused ports
Date: Mon, 2 Jun 2008 08:04:40 +0100	[thread overview]
Message-ID: <20080602080440.25fc663c@core> (raw)
In-Reply-To: <4842F5A8.9020708@garzik.org>

> If you are talking about SATA -- incorrect.
> 
> The patch deals with policy, and the user MUST have the ability to 
> control this stuff.  Otherwise you create a situation where the user 
> might be denied hotplug use in valid cases, or similar negative situations.

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

  reply	other threads:[~2008-06-02  7:20 UTC|newest]

Thread overview: 40+ 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
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 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 [this message]
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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