#include <linux/slab.h>
/* dma_addr_t manip */
-#define DMA_LO(x) ((u32)(((dma_addr_t)(x)) & 0xffffffff))
-#define DMA_HI(x) ((u32)(((dma_addr_t)(x)) >> 32))
-
-#define DMA_LO_LE(x) cpu_to_le32(DMA_LO(x))
-#define DMA_HI_LE(x) cpu_to_le32(DMA_HI(x))
-
-/* It's assumed that whoever includes this has previously included an hsi
- * file defining the regpair.
- */
-#define DMA_REGPAIR_LE(x, val) (x).hi = DMA_HI_LE((val)); \
- (x).lo = DMA_LO_LE((val))
+#define DMA_LO_LE(x) cpu_to_le32(lower_32_bits(x))
+#define DMA_HI_LE(x) cpu_to_le32(upper_32_bits(x))
+#define DMA_REGPAIR_LE(x, val) do { \
+ (x).hi = DMA_HI_LE((val)); \
+ (x).lo = DMA_LO_LE((val)); \
+ } while (0)
#define HILO_GEN(hi, lo, type) ((((type)(hi)) << 32) + (lo))
-#define HILO_DMA(hi, lo) HILO_GEN(hi, lo, dma_addr_t)
-#define HILO_64(hi, lo) HILO_GEN(hi, lo, u64)
-#define HILO_DMA_REGPAIR(regpair) (HILO_DMA(regpair.hi, regpair.lo))
+#define HILO_64(hi, lo) HILO_GEN((le32_to_cpu(hi)), (le32_to_cpu(lo)), u64)
#define HILO_64_REGPAIR(regpair) (HILO_64(regpair.hi, regpair.lo))
+#define HILO_DMA_REGPAIR(regpair) ((dma_addr_t)HILO_64_REGPAIR(regpair))
#ifndef __COMMON_HSI__
#define __COMMON_HSI__