1 files changed, 38 insertions, 25 deletions

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 91b761846061..ba8319ae5fcc 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -40,16 +40,6 @@ struct dma_map_ops {
         void (*sync_single_for_device)(struct device *dev,
                                        dma_addr_t dma_handle, size_t size,
                                        enum dma_data_direction dir);
-        void (*sync_single_range_for_cpu)(struct device *dev,
-                                          dma_addr_t dma_handle,
-                                          unsigned long offset,
-                                          size_t size,
-                                          enum dma_data_direction dir);
-        void (*sync_single_range_for_device)(struct device *dev,
-                                             dma_addr_t dma_handle,
-                                             unsigned long offset,
-                                             size_t size,
-                                             enum dma_data_direction dir);
         void (*sync_sg_for_cpu)(struct device *dev,
                                 struct scatterlist *sg, int nents,
                                 enum dma_data_direction dir);
@@ -105,21 +95,6 @@ static inline int is_device_dma_capable(struct device *dev)
 #include <asm-generic/dma-mapping-broken.h>
 #endif
 
-/* 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)
 {
         if (dev && dev->dma_mask && *dev->dma_mask)
@@ -127,6 +102,18 @@ static inline u64 dma_get_mask(struct device *dev)
         return DMA_BIT_MASK(32);
 }
 
+#ifdef ARCH_HAS_DMA_SET_COHERENT_MASK
+int dma_set_coherent_mask(struct device *dev, u64 mask);
+#else
+static inline int dma_set_coherent_mask(struct device *dev, u64 mask)
+{
+        if (!dma_supported(dev, mask))
+                return -EIO;
+        dev->coherent_dma_mask = mask;
+        return 0;
+}
+#endif
+
 extern u64 dma_get_required_mask(struct device *dev);
 
 static inline unsigned int dma_get_max_seg_size(struct device *dev)
@@ -159,6 +146,16 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask)
                 return -EIO;
 }
 
+#ifdef CONFIG_HAS_DMA
+static inline int dma_get_cache_alignment(void)
+{
+#ifdef ARCH_DMA_MINALIGN
+        return ARCH_DMA_MINALIGN;
+#endif
+        return 1;
+}
+#endif
+
 /* flags for the coherent memory api */
 #define DMA_MEMORY_MAP                  0x01
 #define DMA_MEMORY_IO                   0x02
@@ -232,4 +229,20 @@ struct dma_attrs;
 
 #endif /* CONFIG_HAVE_DMA_ATTRS */
 
+#ifdef CONFIG_NEED_DMA_MAP_STATE
+#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)        dma_addr_t ADDR_NAME
+#define DEFINE_DMA_UNMAP_LEN(LEN_NAME)          __u32 LEN_NAME
+#define dma_unmap_addr(PTR, ADDR_NAME)           ((PTR)->ADDR_NAME)
+#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL)  (((PTR)->ADDR_NAME) = (VAL))
+#define dma_unmap_len(PTR, LEN_NAME)             ((PTR)->LEN_NAME)
+#define dma_unmap_len_set(PTR, LEN_NAME, VAL)    (((PTR)->LEN_NAME) = (VAL))
+#else
+#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)
+#define DEFINE_DMA_UNMAP_LEN(LEN_NAME)
+#define dma_unmap_addr(PTR, ADDR_NAME)           (0)
+#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL)  do { } while (0)
+#define dma_unmap_len(PTR, LEN_NAME)             (0)
+#define dma_unmap_len_set(PTR, LEN_NAME, VAL)    do { } while (0)
+#endif
+
 #endif