mv643xx_eth: fix PPC DMA breakage
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: NGabriel Paubert <paubert@iram.es> Acked-by: NLennert Buytenhek <buytenh@marvell.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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