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>
This commit is contained in:
Christoph Hellwig 2017-05-21 12:29:17 +02:00
parent 75fbede1cf
commit 7c72e0d557

View File

@ -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;