diff options
author | Ingo van Lil | 2009-11-24 14:09:21 +0100 |
---|---|---|
committer | Wolfgang Denk | 2009-12-05 01:08:53 +0100 |
commit | 3eb90bad651fab39cffba750ec4421a9c01d60e7 (patch) | |
tree | 63b21148a041603db252203a422dc465e862e016 /cpu/arm920t | |
parent | 1c409bc7101a24ecd47a13a4e851845d66dc23ce (diff) |
Generic udelay() with watchdog support
According to the PPC reference implementation the udelay() function is
responsible for resetting the watchdog timer as frequently as needed.
Most other architectures do not meet that requirement, so long-running
operations might result in a watchdog reset.
This patch adds a generic udelay() function which takes care of
resetting the watchdog before calling an architecture-specific
__udelay().
Signed-off-by: Ingo van Lil <inguin@gmx.de>
Diffstat (limited to 'cpu/arm920t')
-rw-r--r-- | cpu/arm920t/at91rm9200/timer.c | 2 | ||||
-rw-r--r-- | cpu/arm920t/imx/timer.c | 2 | ||||
-rw-r--r-- | cpu/arm920t/ks8695/timer.c | 2 | ||||
-rw-r--r-- | cpu/arm920t/s3c24x0/timer.c | 2 |
4 files changed, 4 insertions, 4 deletions
diff --git a/cpu/arm920t/at91rm9200/timer.c b/cpu/arm920t/at91rm9200/timer.c index 235d1073886..9c54bbedbe6 100644 --- a/cpu/arm920t/at91rm9200/timer.c +++ b/cpu/arm920t/at91rm9200/timer.c @@ -87,7 +87,7 @@ void set_timer (ulong t) timestamp = t; } -void udelay (unsigned long usec) +void __udelay (unsigned long usec) { udelay_masked(usec); } diff --git a/cpu/arm920t/imx/timer.c b/cpu/arm920t/imx/timer.c index 31ec588d919..b06b518f03b 100644 --- a/cpu/arm920t/imx/timer.c +++ b/cpu/arm920t/imx/timer.c @@ -89,7 +89,7 @@ void udelay_masked (unsigned long usec) } while (diff >= 0); } -void udelay (unsigned long usec) +void __udelay (unsigned long usec) { udelay_masked(usec); } diff --git a/cpu/arm920t/ks8695/timer.c b/cpu/arm920t/ks8695/timer.c index 22987bc48be..886e3705962 100644 --- a/cpu/arm920t/ks8695/timer.c +++ b/cpu/arm920t/ks8695/timer.c @@ -81,7 +81,7 @@ void set_timer(ulong t) timer_ticks = t; } -void udelay(ulong usec) +void __udelay(ulong usec) { ulong start = get_timer_masked(); ulong end; diff --git a/cpu/arm920t/s3c24x0/timer.c b/cpu/arm920t/s3c24x0/timer.c index cd06f6b5808..fcc6c0cb1b1 100644 --- a/cpu/arm920t/s3c24x0/timer.c +++ b/cpu/arm920t/s3c24x0/timer.c @@ -99,7 +99,7 @@ void set_timer(ulong t) timestamp = t; } -void udelay(unsigned long usec) +void __udelay (unsigned long usec) { ulong tmo; ulong start = get_ticks(); |