linux-kernel - Re: [PATCH] libata: Correct IORDY handling

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Message-ID: <46C2A69F.6020004@garzik.org>
Date:	Wed, 15 Aug 2007 03:09:19 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	akpm@...l.org, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] libata: Correct IORDY handling

Alan Cox wrote:
> Debugging a report of a problem with an ancient solid state disk showed
> up some problems in the IORDY handling
> 
> 1.	We check the wrong bit to see if the device has IORDY
> 2.	Even then some ancient creaking piles of crap don't support
> 	SETXFER at all.
> 
> I think this should go via -mm for a bit. The cases it fixes are obscure
> and the risk of side effects is slight but possible. This also moves us
> slightly closer to supporting original MFM/RLL disks with libata but
> before Jeff panics I have no plans to do that....
> 
> Signed-off-by: Alan Cox <alan@...hat.com>

applied


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