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-rw-r--r--include/asm-sparc64/dma-mapping.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h
index 0a1006692bb..a72a5f271f3 100644
--- a/include/asm-sparc64/dma-mapping.h
+++ b/include/asm-sparc64/dma-mapping.h
@@ -127,6 +127,13 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
return (dma_addr == DMA_ERROR_CODE);
}
+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 << INTERNODE_CACHE_SHIFT);
+}
+
#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, h) (1)