summaryrefslogtreecommitdiffstats
path: root/arch/nios2/include/asm/dma-mapping.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/nios2/include/asm/dma-mapping.h')
-rw-r--r--arch/nios2/include/asm/dma-mapping.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/nios2/include/asm/dma-mapping.h b/arch/nios2/include/asm/dma-mapping.h
index 5b70f4cead..9819a973e7 100644
--- a/arch/nios2/include/asm/dma-mapping.h
+++ b/arch/nios2/include/asm/dma-mapping.h
@@ -1,8 +1,12 @@
#ifndef __ASM_NIOS2_DMA_MAPPING_H
#define __ASM_NIOS2_DMA_MAPPING_H
+#include <common.h>
+#include <xfuncs.h>
+
#include <asm/cache.h>
+
/* dma_alloc_coherent() return cache-line aligned allocation which is mapped
* to uncached io region.
*
@@ -22,4 +26,10 @@ static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
return (void *)(*handle | IO_REGION_BASE);
}
+#define dma_alloc dma_alloc
+static inline void *dma_alloc(size_t size)
+{
+ return xmemalign(DCACHE_LINE_SIZE, ALIGN(size, DCACHE_LINE_SIZE));
+}
+
#endif /* __ASM_NIOS2_DMA_MAPPING_H */