[PATCH 1/3] MTD: atmel_nand: modify test case for using DMA operations
Hong Xu
hong.xu at atmel.com
Wed Mar 30 04:26:39 EDT 2011
From: Nicolas Ferre <nicolas.ferre at atmel.com>
We have better performances not using DMA for oob operations.
Modify size test so that it is using DMA for size greater than oobsize.
Signed-off-by: Nicolas Ferre <nicolas.ferre at atmel.com>
---
drivers/mtd/nand/atmel_nand.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 6fae04b..9acecdc 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -280,7 +280,7 @@ 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;
- if (use_dma && len >= mtd->oobsize)
+ if (use_dma && len > mtd->oobsize)
if (atmel_nand_dma_op(mtd, buf, len, 1) == 0)
return;
@@ -295,7 +295,7 @@ 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;
- if (use_dma && len >= mtd->oobsize)
+ if (use_dma && len > mtd->oobsize)
if (atmel_nand_dma_op(mtd, (void *)buf, len, 0) == 0)
return;
--
1.7.3.3
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