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Diffstat (limited to 'arch/nios2/include/asm/dma-mapping.h')
-rw-r--r--arch/nios2/include/asm/dma-mapping.h24
1 files changed, 0 insertions, 24 deletions
diff --git a/arch/nios2/include/asm/dma-mapping.h b/arch/nios2/include/asm/dma-mapping.h
deleted file mode 100644
index 65f67bc..0000000
--- a/arch/nios2/include/asm/dma-mapping.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#ifndef __ASM_NIOS2_DMA_MAPPING_H
-#define __ASM_NIOS2_DMA_MAPPING_H
-
-#include <memalign.h>
-#include <asm/io.h>
-
-/*
- * dma_alloc_coherent() return cache-line aligned allocation which is mapped
- * to uncached io region.
- */
-static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
-{
- unsigned long addr = (unsigned long)malloc_cache_aligned(len);
-
- if (!addr)
- return NULL;
-
- invalidate_dcache_range(addr, addr + len);
- if (handle)
- *handle = addr;
-
- return map_physmem(addr, len, MAP_NOCACHE);
-}
-#endif /* __ASM_NIOS2_DMA_MAPPING_H */