]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - include/asm-avr32/dma-mapping.h
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...
[karo-tx-linux.git] / include / asm-avr32 / dma-mapping.h
index 5c01e27f0b41d61ac58f3c49e9f2a38aabff1b4c..21bb60bbb9a1889e3eb058f5b4045238b45bf33a 100644 (file)
@@ -32,6 +32,14 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
        return 0;
 }
 
+/*
+ * dma_map_single can't fail as it is implemented now.
+ */
+static inline int dma_mapping_error(dma_addr_t addr)
+{
+       return 0;
+}
+
 /**
  * dma_alloc_coherent - allocate consistent memory for DMA
  * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
@@ -266,6 +274,24 @@ dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
        dma_cache_sync(dev, bus_to_virt(dma_handle), size, direction);
 }
 
+static inline void
+dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
+                             unsigned long offset, size_t size,
+                             enum dma_data_direction direction)
+{
+       /* just sync everything, that's all the pci API can do */
+       dma_sync_single_for_cpu(dev, dma_handle, offset+size, direction);
+}
+
+static inline void
+dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
+                                unsigned long offset, size_t size,
+                                enum dma_data_direction direction)
+{
+       /* just sync everything, that's all the pci API can do */
+       dma_sync_single_for_device(dev, dma_handle, offset+size, direction);
+}
+
 /**
  * dma_sync_sg_for_cpu
  * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices