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>
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index b74d040..5239c1f 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -439,11 +439,12 @@
{
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 @@
{
unsigned long timeo;
int state = this->state;
+ u32 time_start;
if (state == FL_ERASING)
timeo = (CONFIG_SYS_HZ * 400) / 1000;
@@ -715,10 +717,10 @@
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 @@
}
}
#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);