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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/alpha/include/asm/dma-mapping.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/alpha/include/asm/dma-mapping.h')
-rw-r--r--arch/alpha/include/asm/dma-mapping.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h
new file mode 100644
index 00000000..dfa32f06
--- /dev/null
+++ b/arch/alpha/include/asm/dma-mapping.h
@@ -0,0 +1,53 @@
+#ifndef _ALPHA_DMA_MAPPING_H
+#define _ALPHA_DMA_MAPPING_H
+
+#include <linux/dma-attrs.h>
+
+extern struct dma_map_ops *dma_ops;
+
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
+{
+ return dma_ops;
+}
+
+#include <asm-generic/dma-mapping-common.h>
+
+#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL)
+
+static inline void *dma_alloc_attrs(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, gfp_t gfp,
+ struct dma_attrs *attrs)
+{
+ return get_dma_ops(dev)->alloc(dev, size, dma_handle, gfp, attrs);
+}
+
+#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
+
+static inline void dma_free_attrs(struct device *dev, size_t size,
+ void *vaddr, dma_addr_t dma_handle,
+ struct dma_attrs *attrs)
+{
+ get_dma_ops(dev)->free(dev, size, vaddr, dma_handle, attrs);
+}
+
+static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+ return get_dma_ops(dev)->mapping_error(dev, dma_addr);
+}
+
+static inline int dma_supported(struct device *dev, u64 mask)
+{
+ return get_dma_ops(dev)->dma_supported(dev, mask);
+}
+
+static inline int dma_set_mask(struct device *dev, u64 mask)
+{
+ return get_dma_ops(dev)->set_dma_mask(dev, mask);
+}
+
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+
+#define dma_cache_sync(dev, va, size, dir) ((void)0)
+
+#endif /* _ALPHA_DMA_MAPPING_H */