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powerpc: Add missing reference to coherent_dma_mask 

There is dma_mask in of_device upon of_platform_device_create()
but we don't actually set coherent_dma_mask. This may cause weird
behavior of USB subsystem using of_device USB host drivers.

Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Vitaly Bordug 2008-07-09 13:13:38 +10:00 committed by Linus Torvalds
parent f1d407efbe
commit ba0fc709e1
1 changed files with 2 additions and 0 deletions
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2
arch/powerpc/kernel/of_platform.c
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@ -76,6 +76,8 @@ struct of_device* of_platform_device_create(struct device_node *np,
return NULL;
dev->dma_mask = 0xffffffffUL;
dev->dev.coherent_dma_mask = DMA_32BIT_MASK;
dev->dev.bus = &of_platform_bus_type;
/* We do not fill the DMA ops for platform devices by default.