| Message ID | 1335521971-5046-1-git-send-email-hechtb@gmail.com |
|---|---|
| State | Accepted |
| Commit | 09cbe581e346229e33c48da00439419ff2fe6af7 |
| Headers | show |
On Fri, 2012-04-27 at 12:19 +0200, Bastian Hecht wrote: > To make sure the NAND chip is properly programmed we need a status > command before each page write. When CONFIG_MTD_NAND_VERIFY_WRITE=y this > assumption is broken when writing multiple pages consecutively. This > patch fixes this. > > Signed-off-by: Bastian Hecht <hechtb@gmail.com> Pushed to l2-mtd.git, thanks!
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 8a393f9..58335cd 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2101,6 +2101,9 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip, if (chip->verify_buf(mtd, buf, mtd->writesize)) return -EIO; + + /* Make sure the next page prog is preceded by a status read */ + chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1); #endif return 0; }
To make sure the NAND chip is properly programmed we need a status command before each page write. When CONFIG_MTD_NAND_VERIFY_WRITE=y this assumption is broken when writing multiple pages consecutively. This patch fixes this. Signed-off-by: Bastian Hecht <hechtb@gmail.com> --- drivers/mtd/nand/nand_base.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)