From 4a9a6bfe707cfe5bcb0a20eabe240293a095cd10 Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 4 Aug 2009 19:08:27 +0000 Subject: powerpc: Handle SWIOTLB mapping error properly Signed-off-by: FUJITA Tomonori Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/include/asm/dma-mapping.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/powerpc/include/asm/dma-mapping.h') diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index 91217e4a0bfc..4bd41b4051e3 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -143,6 +143,11 @@ static inline void dma_free_coherent(struct device *dev, size_t size, static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { + struct dma_map_ops *dma_ops = get_dma_ops(dev); + + if (dma_ops->mapping_error) + return dma_ops->mapping_error(dev, dma_addr); + #ifdef CONFIG_PPC64 return (dma_addr == DMA_ERROR_CODE); #else -- cgit v1.2.1