diff options
| author | Reinhard Meyer <u-boot@emk-elektronik.de> | 2010-11-18 03:14:26 +0000 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2010-12-17 14:32:12 -0600 |
| commit | 7a8fc36e6c3430784c877b6799833059b1ef4d33 (patch) | |
| tree | 9165a8390b0d7636698e133b38361bd9f3ed3709 /drivers/mtd | |
| parent | 0bdecd82dda4f0c60220cbd3932a3012b3611fc9 (diff) | |
MTD/NAND: fix nand_base.c to use get_timer() correctly
This is part of the timer cleanup effort.
In the future we only use get_timer() in its intended way to
program timeout loops.
reset_timer() shall not be used anymore.
Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index b74d04029..5239c1fcf 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -439,11 +439,12 @@ void nand_wait_ready(struct mtd_info *mtd) { struct nand_chip *chip = mtd->priv; u32 timeo = (CONFIG_SYS_HZ * 20) / 1000; + u32 time_start; - reset_timer(); + time_start = get_timer(0); /* wait until command is processed or timeout occures */ - while (get_timer(0) < timeo) { + while (get_timer(time_start) < timeo) { if (chip->dev_ready) if (chip->dev_ready(mtd)) break; @@ -704,6 +705,7 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this) { unsigned long timeo; int state = this->state; + u32 time_start; if (state == FL_ERASING) timeo = (CONFIG_SYS_HZ * 400) / 1000; @@ -715,10 +717,10 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this) else this->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1); - reset_timer(); + time_start = get_timer(0); while (1) { - if (get_timer(0) > timeo) { + if (get_timer(time_start) > timeo) { printf("Timeout!"); return 0x01; } @@ -732,8 +734,9 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this) } } #ifdef PPCHAMELON_NAND_TIMER_HACK - reset_timer(); - while (get_timer(0) < 10); + time_start = get_timer(0); + while (get_timer(time_start) < 10) + ; #endif /* PPCHAMELON_NAND_TIMER_HACK */ return this->read_byte(mtd); |