linux-kernel - Re: [stable] [patch 44/47] pxamci: fix byte aligned DMA transfers

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Message-ID: <20080724150543.GA10549@kroah.com>
Date:	Thu, 24 Jul 2008 08:05:43 -0700
From:	Greg KH <greg@...ah.com>
To:	pHilipp Zabel <philipp.zabel@...il.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Greg KH <gregkh@...e.de>, Theodore Ts'o <tytso@....edu>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	Justin Forbes <jmforbes@...uxtx.org>,
	linux-kernel@...r.kernel.org,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Domenico Andreoli <cavokz@...il.com>,
	akpm@...ux-foundation.org, Randy Dunlap <rdunlap@...otime.net>,
	Willy Tarreau <w@....eu>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	alan@...rguk.ukuu.org.uk, Chuck Ebbert <cebbert@...hat.com>,
	Dave Jones <davej@...hat.com>, Jake Edge <jake@....net>,
	Michael Krufky <mkrufky@...uxtv.org>, stable@...nel.org,
	Rodrigo Rubira Branco <rbranco@...checkpoint.com>,
	Pierre Ossman <drzeus@...eus.cx>
Subject: Re: [stable] [patch 44/47] pxamci: fix byte aligned DMA transfers

On Thu, Jul 24, 2008 at 12:33:34PM +0200, pHilipp Zabel wrote:
> Both should be applied together. Although it is unlikely that with the
> broken patch MMC accesses will accidentally clear the DALGN bits of
> other running (unaligned) DMA chains (I'm not aware of any drivers
> using unaligned DMA), the PXA27x developer manual says that this "must
> not" be done. If it would result in memory corruption or lockups, I
> don't know.

Ok, I'll add them both to the .26 queue as well.

thanks for the information,

greg k-h
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