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mtd: atmel_nand: modify test case for using DMA operations
[pandora-kernel.git]
/
drivers
/
mtd
/
nand
/
atmel_nand.c
diff --git
a/drivers/mtd/nand/atmel_nand.c
b/drivers/mtd/nand/atmel_nand.c
index
f254fa6
..
e9fdbe4
100644
(file)
--- a/
drivers/mtd/nand/atmel_nand.c
+++ b/
drivers/mtd/nand/atmel_nand.c
@@
-280,7
+280,8
@@
static void atmel_read_buf(struct mtd_info *mtd, u8 *buf, int len)
struct nand_chip *chip = mtd->priv;
struct atmel_nand_host *host = chip->priv;
struct nand_chip *chip = mtd->priv;
struct atmel_nand_host *host = chip->priv;
- if (use_dma && len >= mtd->oobsize)
+ if (use_dma && len > mtd->oobsize)
+ /* only use DMA for bigger than oob size: better performances */
if (atmel_nand_dma_op(mtd, buf, len, 1) == 0)
return;
if (atmel_nand_dma_op(mtd, buf, len, 1) == 0)
return;
@@
-295,7
+296,8
@@
static void atmel_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
struct nand_chip *chip = mtd->priv;
struct atmel_nand_host *host = chip->priv;
struct nand_chip *chip = mtd->priv;
struct atmel_nand_host *host = chip->priv;
- if (use_dma && len >= mtd->oobsize)
+ if (use_dma && len > mtd->oobsize)
+ /* only use DMA for bigger than oob size: better performances */
if (atmel_nand_dma_op(mtd, (void *)buf, len, 0) == 0)
return;
if (atmel_nand_dma_op(mtd, (void *)buf, len, 0) == 0)
return;