Drop local dma_map_single() and dma_unmap_single() and use arch specific common implementation
Signed-off-by: Vignesh Raghavendra vigneshr@ti.com --- drivers/mtd/nand/raw/denali.c | 34 +++------------------------------- 1 file changed, 3 insertions(+), 31 deletions(-)
diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c index e0eb1339ecd2..8537c609fb62 100644 --- a/drivers/mtd/nand/raw/denali.c +++ b/drivers/mtd/nand/raw/denali.c @@ -5,6 +5,7 @@ * Copyright (C) 2009-2010, Intel Corporation and its suppliers. */
+#include <asm/dma-mapping.h> #include <dm.h> #include <nand.h> #include <linux/bitfield.h> @@ -16,35 +17,6 @@
#include "denali.h"
-static dma_addr_t dma_map_single(void *dev, void *ptr, size_t size, - enum dma_data_direction dir) -{ - unsigned long addr = (unsigned long)ptr; - - size = ALIGN(size, ARCH_DMA_MINALIGN); - - if (dir == DMA_FROM_DEVICE) - invalidate_dcache_range(addr, addr + size); - else - flush_dcache_range(addr, addr + size); - - return addr; -} - -static void dma_unmap_single(void *dev, dma_addr_t addr, size_t size, - enum dma_data_direction dir) -{ - size = ALIGN(size, ARCH_DMA_MINALIGN); - - if (dir != DMA_TO_DEVICE) - invalidate_dcache_range(addr, addr + size); -} - -static int dma_mapping_error(void *dev, dma_addr_t addr) -{ - return 0; -} - #define DENALI_NAND_NAME "denali-nand"
/* for Indexed Addressing */ @@ -564,7 +536,7 @@ static int denali_dma_xfer(struct denali_nand_info *denali, void *buf, enum dma_data_direction dir = write ? DMA_TO_DEVICE : DMA_FROM_DEVICE; int ret = 0;
- dma_addr = dma_map_single(denali->dev, buf, size, dir); + dma_addr = dma_map_single(buf, size, dir); if (dma_mapping_error(denali->dev, dma_addr)) { dev_dbg(denali->dev, "Failed to DMA-map buffer. Trying PIO.\n"); return denali_pio_xfer(denali, buf, size, page, raw, write); @@ -605,7 +577,7 @@ static int denali_dma_xfer(struct denali_nand_info *denali, void *buf,
iowrite32(0, denali->reg + DMA_ENABLE);
- dma_unmap_single(denali->dev, dma_addr, size, dir); + dma_unmap_single(buf, size, dir);
if (irq_status & INTR__ERASED_PAGE) memset(buf, 0xff, size);