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@@ -13,23 +13,17 @@
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#include <linux/slab.h>
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/* dma_addr_t manip */
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-#define DMA_LO(x) ((u32)(((dma_addr_t)(x)) & 0xffffffff))
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-#define DMA_HI(x) ((u32)(((dma_addr_t)(x)) >> 32))
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-
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-#define DMA_LO_LE(x) cpu_to_le32(DMA_LO(x))
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-#define DMA_HI_LE(x) cpu_to_le32(DMA_HI(x))
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-
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-/* It's assumed that whoever includes this has previously included an hsi
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- * file defining the regpair.
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- */
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-#define DMA_REGPAIR_LE(x, val) (x).hi = DMA_HI_LE((val)); \
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- (x).lo = DMA_LO_LE((val))
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+#define DMA_LO_LE(x) cpu_to_le32(lower_32_bits(x))
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+#define DMA_HI_LE(x) cpu_to_le32(upper_32_bits(x))
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+#define DMA_REGPAIR_LE(x, val) do { \
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+ (x).hi = DMA_HI_LE((val)); \
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+ (x).lo = DMA_LO_LE((val)); \
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+ } while (0)
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#define HILO_GEN(hi, lo, type) ((((type)(hi)) << 32) + (lo))
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-#define HILO_DMA(hi, lo) HILO_GEN(hi, lo, dma_addr_t)
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-#define HILO_64(hi, lo) HILO_GEN(hi, lo, u64)
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-#define HILO_DMA_REGPAIR(regpair) (HILO_DMA(regpair.hi, regpair.lo))
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+#define HILO_64(hi, lo) HILO_GEN((le32_to_cpu(hi)), (le32_to_cpu(lo)), u64)
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#define HILO_64_REGPAIR(regpair) (HILO_64(regpair.hi, regpair.lo))
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+#define HILO_DMA_REGPAIR(regpair) ((dma_addr_t)HILO_64_REGPAIR(regpair))
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#ifndef __COMMON_HSI__
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#define __COMMON_HSI__
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