Date: Mon, 2 Jun 2008 09:22:25 +0100
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
Message-ID: <20080602092225.26db9b5b@core>
In-Reply-To: <4843A4A7.3020809@garzik.org>
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	<20080527163251.04054a74@appleyard>
	<20080531080015.GG5405@ucw.cz>
	<4842F5A8.9020708@garzik.org>
	<20080602080440.25fc663c@core>
	<4843A4A7.3020809@garzik.org>
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> The key requirement is per-port control.  Ideally via hdparm or another 
> userspace tool, but kernel command line (module options) or sysfs would 
> be just fine too.  And agreed, the minimal you need is simply 1/0 for 
> the port's policy.

We don't need it per port Jeff, you are being quite silly here. Right now
its permanently foo=0 for all ports and nobody has suffered anything too
horrible so being able to turn it off for all ports is clearly quite
sufficient for the neat future. If someone wants it per port they'll send
you a patch later.

Alan

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