summaryrefslogtreecommitdiffstats
path: root/arch/microblaze/include/asm/dma-mapping.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/microblaze/include/asm/dma-mapping.h')
-rw-r--r--arch/microblaze/include/asm/dma-mapping.h25
1 files changed, 1 insertions, 24 deletions
diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h
index 46460f1c49c4..ab353723076a 100644
--- a/arch/microblaze/include/asm/dma-mapping.h
+++ b/arch/microblaze/include/asm/dma-mapping.h
@@ -35,16 +35,6 @@
#define __dma_alloc_coherent(dev, gfp, size, handle) NULL
#define __dma_free_coherent(size, addr) ((void)0)
-static inline unsigned long device_to_mask(struct device *dev)
-{
- if (dev->dma_mask && *dev->dma_mask)
- return *dev->dma_mask;
- /* Assume devices without mask can take 32 bit addresses */
- return 0xfffffffful;
-}
-
-extern struct dma_map_ops *dma_ops;
-
/*
* Available generic sets of operations
*/
@@ -52,20 +42,7 @@ extern struct dma_map_ops dma_direct_ops;
static inline struct dma_map_ops *get_dma_ops(struct device *dev)
{
- /* We don't handle the NULL dev case for ISA for now. We could
- * do it via an out of line call but it is not needed for now. The
- * only ISA DMA device we support is the floppy and we have a hack
- * in the floppy driver directly to get a device for us.
- */
- if (unlikely(!dev) || !dev->archdata.dma_ops)
- return NULL;
-
- return dev->archdata.dma_ops;
-}
-
-static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops)
-{
- dev->archdata.dma_ops = ops;
+ return &dma_direct_ops;
}
static inline int dma_supported(struct device *dev, u64 mask)