1 files changed, 125 insertions, 0 deletions

diff --git a/include/asm-cris/dma-mapping.h b/include/asm-cris/dma-mapping.h
new file mode 100644
index 000000000000..0d770f60127a
--- /dev/null
+++ b/include/asm-cris/dma-mapping.h
@@ -0,0 +1,125 @@
+#ifndef _ASM_CRIS_DMA_MAPPING_H
+#define _ASM_CRIS_DMA_MAPPING_H
+
+#include "scatterlist.h"
+
+static inline int
+dma_supported(struct device *dev, u64 mask)
+{
+        BUG();
+        return 0;
+}
+
+static inline int
+dma_set_mask(struct device *dev, u64 dma_mask)
+{
+        BUG();
+        return 1;
+}
+
+static inline void *
+dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
+                   int flag)
+{
+        BUG();
+        return NULL;
+}
+
+static inline void
+dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+                    dma_addr_t dma_handle)
+{
+        BUG();
+}
+
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *cpu_addr, size_t size,
+               enum dma_data_direction direction)
+{
+        BUG();
+        return 0;
+}
+
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+                 enum dma_data_direction direction)
+{
+        BUG();
+}
+
+static inline dma_addr_t
+dma_map_page(struct device *dev, struct page *page,
+             unsigned long offset, size_t size,
+             enum dma_data_direction direction)
+{
+        BUG();
+        return 0;
+}
+
+static inline void
+dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
+               enum dma_data_direction direction)
+{
+        BUG();
+}
+
+static inline int
+dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+           enum dma_data_direction direction)
+{
+        BUG();
+        return 1;
+}
+
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
+             enum dma_data_direction direction)
+{
+        BUG();
+}
+
+static inline void
+dma_sync_single(struct device *dev, dma_addr_t dma_handle, size_t size,
+                enum dma_data_direction direction)
+{
+        BUG();
+}
+
+static inline void
+dma_sync_sg(struct device *dev, struct scatterlist *sg, int nelems,
+            enum dma_data_direction direction)
+{
+        BUG();
+}
+
+/* Now for the API extensions over the pci_ one */
+
+#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_is_consistent(d)    (1)
+
+static inline int
+dma_get_cache_alignment(void)
+{
+        /* no easy way to get cache size on all processors, so return
+         * the maximum possible, to be safe */
+        return (1 << L1_CACHE_SHIFT_MAX);
+}
+
+static inline void
+dma_sync_single_range(struct device *dev, dma_addr_t dma_handle,
+                      unsigned long offset, size_t size,
+                      enum dma_data_direction direction)
+{
+        BUG();
+}
+
+static inline void
+dma_cache_sync(void *vaddr, size_t size,
+               enum dma_data_direction direction)
+{
+        BUG();
+}
+
+#endif
+