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 --- 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 21cc5a3..3dcef97 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);