linux-kernel - Re: pata_amd dropping to PIO on resume

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Message-ID: <20070220164250.24fad51c@localhost.localdomain>
Date:	Tue, 20 Feb 2007 16:42:50 +0000
From:	Alan <alan@...rguk.ukuu.org.uk>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Robert Hancock <hancockr@...w.ca>,
	Tobias Diedrich <ranma+kernel@...edrich.de>,
	Linux Kernel ML <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org
Subject: Re: pata_amd dropping to PIO on resume

> places where the bit must be twiddled.  Its easier to leave the bit in 
> the BIOS-initialized state, and ignore the hardware bit's existence in 
> software, if we know the behavior in the controller is hardwired.  Less 
> room for software bugs that way, IMO.

The AMD docs don't categorically answer that question either way that I
can see. The bit appears to make no difference but.. 

Alan
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