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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index afbb80f4375a..b7daedee23b5 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -668,6 +668,7 @@ 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:
@@ -786,6 +787,7 @@ static void nand_command_lp(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_RNDIN: