From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: 2.6.15-rc1: IDE: fix potential data corruption with SL82C105 interfaces
Date: Sat, 12 Nov 2005 17:46:01 +0000 [thread overview]
Message-ID: <20051112174601.GC28987@flint.arm.linux.org.uk> (raw)
In-Reply-To: <1131818615.18258.6.camel@localhost.localdomain>
On Sat, Nov 12, 2005 at 06:03:34PM +0000, Alan Cox wrote:
> On Sad, 2005-11-12 at 16:55 +0000, Russell King wrote:
> > We must _never_ _ever_ on pain of death enable IDE DMA on SL82C105
> > chipsets where the southbridge revision is <= 5, otherwise data
> > corruption will occur.
>
> If you are fixing this driver also set ->serialize = 1; before someone
> with dual channel device gets burned.
Thanks for reminding me - I've included that as well.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2005-11-12 17:46 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-12 16:55 2.6.15-rc1: IDE: fix potential data corruption with SL82C105 interfaces Russell King
2005-11-12 18:03 ` Alan Cox
2005-11-12 17:46 ` Russell King [this message]
2006-05-15 14:32 ` Sergei Shtylyov
2006-05-15 15:25 ` Alan Cox
2006-05-15 16:05 ` Sergei Shtylyov
2006-05-15 16:35 ` Alan Cox
2006-05-15 17:10 ` Russell King
2005-11-15 13:27 ` Bartlomiej Zolnierkiewicz
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