[PATCH 21/44] powerpc: implement ->mapping_error

DMA_ERROR_CODE is going to go away, so don't rely on it. Instead define a ->mapping_error method for all IOMMU based dma operation instances. The direct ops don't ever return an error and don't need a ->mapping_error method. Signed-off-by: Christoph Hellwig Acked-by: Michael

Re: [PATCH 21/44] powerpc: implement ->mapping_error

Christoph Hellwig writes: > DMA_ERROR_CODE is going to go away, so don't rely on it. Instead > define a ->mapping_error method for all IOMMU based dma operation > instances. The direct ops don't ever return an error and don't > need a ->mapping_error method. > > Signed-off-by:

[PATCH 21/44] powerpc: implement ->mapping_error

DMA_ERROR_CODE is going to go away, so don't rely on it. Instead define a ->mapping_error method for all IOMMU based dma operation instances. The direct ops don't ever return an error and don't need a ->mapping_error method. Signed-off-by: Christoph Hellwig ---