diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-09-15 21:44:58 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-10-15 22:31:35 +0900 |
| commit | 6f29c7a8f1fa8abef167d9017947cf090e39d60e (patch) | |
| tree | 04a8c507c76decd0d7ac653fc1766bceef793db5 /drivers/mtd/nand/nand_base.c | |
| parent | ce3ba458a84390882c0882b28736d44e3025cf11 (diff) | |
mtd: nand: do not check R/B# for CMD_READID in nand_command(_lp)
Read ID (0x90) command does not toggle the R/B# pin. Without this
patch, NAND_CMD_READID falls into the default: label, then R/B# is
checked by chip->dev_ready().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[ Linux commit: 3158fa0e739615769cc047d2428f30f4c3b6640e ]
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index b025001337..be2dc15887 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -651,6 +651,7 @@ static void nand_command(struct mtd_info *mtd, unsigned int command, case NAND_CMD_ERASE2: case NAND_CMD_SEQIN: case NAND_CMD_STATUS: + case NAND_CMD_READID: return; case NAND_CMD_RESET: @@ -748,6 +749,7 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command, case NAND_CMD_SEQIN: case NAND_CMD_RNDIN: case NAND_CMD_STATUS: + case NAND_CMD_READID: return; case NAND_CMD_RESET: |