[U-Boot] [PATCH 1/2] arm, davinci: Use lldiv for the 64-bit divisions in timer.c
Christian Riesch
christian.riesch at omicron.at
Fri Dec 9 16:54:01 CET 2011
Signed-off-by: Christian Riesch <christian.riesch at omicron.at>
Cc: Tom Rini <trini at ti.com>
Cc: Heiko Schocher <hs at denx.de>
Cc: Wolfgang Denk <wd at denx.de>
---
arch/arm/cpu/arm926ejs/davinci/timer.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/davinci/timer.c b/arch/arm/cpu/arm926ejs/davinci/timer.c
index c7bf7a5..a06d449 100644
--- a/arch/arm/cpu/arm926ejs/davinci/timer.c
+++ b/arch/arm/cpu/arm926ejs/davinci/timer.c
@@ -40,6 +40,7 @@
#include <common.h>
#include <asm/io.h>
#include <asm/arch/timer_defs.h>
+#include <div64.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -86,14 +87,15 @@ ulong get_timer(ulong base)
timer_diff = get_ticks() - gd->timer_reset_value;
- return (timer_diff / (gd->timer_rate_hz / CONFIG_SYS_HZ)) - base;
+ return lldiv(timer_diff, (gd->timer_rate_hz / CONFIG_SYS_HZ)) - base;
}
void __udelay(unsigned long usec)
{
unsigned long long endtime;
- endtime = ((unsigned long long)usec * gd->timer_rate_hz) / 1000000UL;
+ endtime = lldiv((unsigned long long)usec * gd->timer_rate_hz,
+ 1000000UL);
endtime += get_ticks();
while (get_ticks() < endtime)
--
1.7.4.1
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