From 12efdde3139c568a59561b69865fd14f37c75603 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 24 May 2006 22:57:09 +0200 Subject: [PATCH] [MTD] NAND fix cmd_ctrl breakage The cmd_ctrl rework lacks some state transition flags. Signed-off-by: Thomas Gleixner --- drivers/mtd/nand/nand_base.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 6036d322bf..5690de223c 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -538,7 +538,8 @@ static void nand_command(struct mtd_info *mtd, unsigned int command, udelay(chip->chip_delay); chip->cmd_ctrl(mtd, NAND_CMD_STATUS, NAND_CTRL_CLE | NAND_CTRL_CHANGE); - chip->cmd_ctrl(mtd, NAND_CMD_NONE, NAND_NCE); + chip->cmd_ctrl(mtd, + NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE); while (!(chip->read_byte(mtd) & NAND_STATUS_READY)) ; return; @@ -641,14 +642,18 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command, if (chip->dev_ready) break; udelay(chip->chip_delay); - chip->cmd_ctrl(mtd, NAND_CMD_STATUS, NAND_NCE | NAND_CLE); - chip->cmd_ctrl(mtd, NAND_CMD_NONE, NAND_NCE); + chip->cmd_ctrl(mtd, NAND_CMD_STATUS, + NAND_NCE | NAND_CLE | NAND_CTRL_CHANGE); + chip->cmd_ctrl(mtd, NAND_CMD_NONE, + NAND_NCE | NAND_CTRL_CHANGE); while (!(chip->read_byte(mtd) & NAND_STATUS_READY)) ; return; case NAND_CMD_READ0: - chip->cmd_ctrl(mtd, NAND_CMD_READSTART, NAND_NCE | NAND_CLE); - chip->cmd_ctrl(mtd, NAND_CMD_NONE, NAND_NCE); + chip->cmd_ctrl(mtd, NAND_CMD_READSTART, + NAND_NCE | NAND_CLE | NAND_CTRL_CHANGE); + chip->cmd_ctrl(mtd, NAND_CMD_NONE, + NAND_NCE | NAND_CTRL_CHANGE); /* This applies to read commands */ default: -- 2.39.5