};
#define DMA_64BIT_MASK 0xffffffffffffffffULL
+#define DMA_48BIT_MASK 0x0000ffffffffffffULL
#define DMA_40BIT_MASK 0x000000ffffffffffULL
#define DMA_39BIT_MASK 0x0000007fffffffffULL
#define DMA_32BIT_MASK 0x00000000ffffffffULL
#define DMA_28BIT_MASK 0x000000000fffffffULL
#define DMA_24BIT_MASK 0x0000000000ffffffULL
+static inline int valid_dma_direction(int dma_direction)
+{
+ return ((dma_direction == DMA_BIDIRECTIONAL) ||
+ (dma_direction == DMA_TO_DEVICE) ||
+ (dma_direction == DMA_FROM_DEVICE));
+}
+
#include <asm/dma-mapping.h>
/* Backwards compat, remove in 2.7.x */