[SPARC64]: Add missing dma_get_cache_alignment().

drivers/infiniband/hw/mthca/mthca_main.c: In function `mthca_init_icm':
drivers/infiniband/hw/mthca/mthca_main.c:468: error: implicit declaration of function `dma_get_cache_alignment'

Pinch the one from asm-generic/dma-mapping.h

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h
index 0a1006692bb253a601ae7e6e2187e8a983e37767..a72a5f271f3154d3069a75e83279cd355c07198e 100644 (file)
--- 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)