netdev - Re: [PATCH] mv643xx_eth: fix PPC DMA breakage

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Message-ID: <20090515235330.GC1727@mail.wantstofly.org>
Date:	Sat, 16 May 2009 01:53:30 +0200
From:	Lennert Buytenhek <buytenh@...tstofly.org>
To:	Gabriel Paubert <paubert@...m.es>
Cc:	David Miller <davem@...emloft.net>, tbm@...ius.com,
	pacman@...h.dhis.org, netdev@...r.kernel.org,
	Matt Sealey <matt@...esi-usa.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	LinuxPPC <linuxppc-dev@...abs.org>
Subject: Re: [PATCH] mv643xx_eth: fix PPC DMA breakage

On Fri, May 15, 2009 at 08:39:24PM +0200, Gabriel Paubert wrote:

> After 2.6.29, PPC no more admits passing NULL to the dev parameter of
> the DMA API. The result is a BUG followed by solid lock-up when the 
> mv643xx_eth driver brings an interface up. The following patch makes 
> the driver work on my Pegasos again; it is mostly a search and replace 
> of NULL by mp->dev->dev.parent in dma allocation/freeing/mapping/unmapping
> functions.
> 
> Signed-off-by: Gabriel Paubert <paubert@...m.es>

Acked-by: Lennert Buytenhek <buytenh@...vell.com>

Thanks for testing!
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