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-rw-r--r--include/linux/dma-mapping.h43
1 files changed, 28 insertions, 15 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 8083b6a36a3..07dfd460d28 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -63,24 +63,26 @@ struct dma_map_ops {
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
+typedef u64 DMA_nnBIT_MASK __deprecated;
+
/*
* NOTE: do not use the below macros in new code and do not add new definitions
* here.
*
* Instead, just open-code DMA_BIT_MASK(n) within your driver
*/
-#define DMA_64BIT_MASK DMA_BIT_MASK(64)
-#define DMA_48BIT_MASK DMA_BIT_MASK(48)
-#define DMA_47BIT_MASK DMA_BIT_MASK(47)
-#define DMA_40BIT_MASK DMA_BIT_MASK(40)
-#define DMA_39BIT_MASK DMA_BIT_MASK(39)
-#define DMA_35BIT_MASK DMA_BIT_MASK(35)
-#define DMA_32BIT_MASK DMA_BIT_MASK(32)
-#define DMA_31BIT_MASK DMA_BIT_MASK(31)
-#define DMA_30BIT_MASK DMA_BIT_MASK(30)
-#define DMA_29BIT_MASK DMA_BIT_MASK(29)
-#define DMA_28BIT_MASK DMA_BIT_MASK(28)
-#define DMA_24BIT_MASK DMA_BIT_MASK(24)
+#define DMA_64BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(64)
+#define DMA_48BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(48)
+#define DMA_47BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(47)
+#define DMA_40BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(40)
+#define DMA_39BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(39)
+#define DMA_35BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(35)
+#define DMA_32BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(32)
+#define DMA_31BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(31)
+#define DMA_30BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(30)
+#define DMA_29BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(29)
+#define DMA_28BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(28)
+#define DMA_24BIT_MASK (DMA_nnBIT_MASK)DMA_BIT_MASK(24)
#define DMA_MASK_NONE 0x0ULL
@@ -107,9 +109,20 @@ static inline int is_buffer_dma_capable(u64 mask, dma_addr_t addr, size_t size)
#include <asm-generic/dma-mapping-broken.h>
#endif
-/* Backwards compat, remove in 2.7.x */
-#define dma_sync_single dma_sync_single_for_cpu
-#define dma_sync_sg dma_sync_sg_for_cpu
+/* for backwards compatibility, removed soon */
+static inline void __deprecated dma_sync_single(struct device *dev,
+ dma_addr_t addr, size_t size,
+ enum dma_data_direction dir)
+{
+ dma_sync_single_for_cpu(dev, addr, size, dir);
+}
+
+static inline void __deprecated dma_sync_sg(struct device *dev,
+ struct scatterlist *sg, int nelems,
+ enum dma_data_direction dir)
+{
+ dma_sync_sg_for_cpu(dev, sg, nelems, dir);
+}
static inline u64 dma_get_mask(struct device *dev)
{