m32r: remove DMA_ERROR_CODE



dma-noop is the only dma_mapping_ops instance for m32r and does not return
errors.

Signed-off-by: Christoph Hellwig <hch@lst.de>

parent 75fbede1

arch/m32r/include/asm/dma-mapping.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -8,8 +8,6 @@
		#include <linux/dma-debug.h>
		#include <linux/io.h>

		#define DMA_ERROR_CODE (~(dma_addr_t)0x0)

		static inline const struct dma_map_ops get_arch_dma_ops(struct bus_type bus)
		{
		return &dma_noop_ops;