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Commit ba0fc709 authored by Vitaly Bordug's avatar Vitaly Bordug Committed by Linus Torvalds
Browse files

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: default avatarVitaly Bordug <vitb@kernel.crashing.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f1d407ef

arch/powerpc/kernel/of_platform.c

+2 −0
Original line number Diff line number Diff line
@@ -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.