arm: implement ->mapping_error
authorChristoph Hellwig <hch@lst.de>
Mon, 22 May 2017 08:53:03 +0000 (10:53 +0200)
committerChristoph Hellwig <hch@lst.de>
Wed, 28 Jun 2017 13:54:36 +0000 (06:54 -0700)
commit9eef8b8cc26559fe5f2575daf7d08c6a17e81ff8
treee841db81e1a71ac48162fa402d42ee2526d7b71b
parenta760088b45186d6235e05a75788d142bf203a927
arm: implement ->mapping_error

DMA_ERROR_CODE is going to go away, so don't rely on it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
arch/arm/common/dmabounce.c
arch/arm/include/asm/dma-iommu.h
arch/arm/include/asm/dma-mapping.h
arch/arm/mm/dma-mapping.c