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-rw-r--r--include/linux/dma-mapping.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 0ee20b764000..e13050eb9777 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -2,6 +2,7 @@
#ifndef _LINUX_DMA_MAPPING_H
#define _LINUX_DMA_MAPPING_H
+#include <linux/cache.h>
#include <linux/sizes.h>
#include <linux/string.h>
#include <linux/device.h>
@@ -543,13 +544,15 @@ static inline int dma_set_min_align_mask(struct device *dev,
return 0;
}
+#ifndef dma_get_cache_alignment
static inline int dma_get_cache_alignment(void)
{
-#ifdef ARCH_DMA_MINALIGN
+#ifdef ARCH_HAS_DMA_MINALIGN
return ARCH_DMA_MINALIGN;
#endif
return 1;
}
+#endif
static inline void *dmam_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp)