FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-15 21:30:43 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[MTD] NAND fix cmd_ctrl breakage

Browse Source 
The cmd_ctrl rework lacks some state transition flags.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2006-05-24 22:57:09 +02:00 committed by David Woodhouse
parent ace4dfee56
commit 12efdde313
1 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/mtd/nand/nand_base.c
View File

@ -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: