microblaze: remove DMA_ERROR_CODE

microblaze does not return errors for dma_map_page. Signed-off-by: Christoph Hellwig <hch@lst.de>

microblaze: remove DMA_ERROR_CODE
microblaze does not return errors for dma_map_page. Signed-off-by: Christoph Hellwig <hch@lst.de>
b0230a69 · Christoph Hellwig · 7c72e0d5 · b0230a69
Commit b0230a69 authored May 21, 2017 by Christoph Hellwig
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arch/microblaze/include/asm/dma-mapping.h arch/microblaze/include/asm/dma-mapping.h +0 -2

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--- a/arch/microblaze/include/asm/dma-mapping.h
+++ b/arch/microblaze/include/asm/dma-mapping.h
@@ -28,8 +28,6 @@
 #include <asm/io.h>
 #include <asm/cacheflush.h>

-#define DMA_ERROR_CODE		(~(dma_addr_t)0x0)
-
 #define __dma_alloc_coherent(dev, gfp, size, handle)	NULL
 #define __dma_free_coherent(size, addr)		((void)0)