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authorHaojian Zhuang <haojian.zhuang@marvell.com>2009-09-14 20:21:01 +0800
committerEric Miao <eric.y.miao@gmail.com>2009-12-01 09:02:37 +0800
commit7ce33aff68f653769ba16108834ed212788bcbb6 (patch)
tree159bfd0e8bdc25219281e3b5c2a05985334f577b /drivers/mtd/nand
parenta88bdbb54a9352b916877bfc5e316c44ec1b2d8f (diff)
pxa3xx_nand: reset read buffer before reading
Initialize the read buffer content to 0xFF. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index f463ad272d3..9140fdc42bc 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -670,6 +670,7 @@ static void pxa3xx_nand_cmdfunc(struct mtd_info *mtd, unsigned command,
/* disable HW ECC to get all the OOB data */
info->buf_count = mtd->writesize + mtd->oobsize;
info->buf_start = mtd->writesize + column;
+ memset(info->data_buff, 0xFF, info->buf_count);
if (prepare_read_prog_cmd(info, cmdset->read1, column, page_addr))
break;