Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
arch/sparc/kernel/time_64.c | 24 ++----------------------
1 files changed, 2 insertions(+), 22 deletions(-)
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 63f73ae..c310875 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -774,26 +774,9 @@ void __devinit setup_sparc64_timer(void)
static struct clocksource clocksource_tick = {
.rating = 100,
.mask = CLOCKSOURCE_MASK(64),
- .shift = 16,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
-static void __init setup_clockevent_multiplier(unsigned long hz)
-{
- unsigned long mult, shift = 32;
-
- while (1) {
- mult = div_sc(hz, NSEC_PER_SEC, shift);
- if (mult && (mult >> 32UL) == 0UL)
- break;
-
- shift--;
- }
-
- sparc64_clockevent.shift = shift;
- sparc64_clockevent.mult = mult;
-}
-
static unsigned long tb_ticks_per_usec __read_mostly;
void __delay(unsigned long loops)
@@ -828,9 +811,7 @@ void __init time_init(void)
clocksource_hz2mult(freq, SPARC64_NSEC_PER_CYC_SHIFT);
clocksource_tick.name = tick_ops->name;
- clocksource_tick.mult =
- clocksource_hz2mult(freq,
- clocksource_tick.shift);
+ clocksource_calc_mult_shift(&clocksource_tick, freq, 4);
clocksource_tick.read = clocksource_tick_read;
printk("clocksource: mult[%x] shift[%d]\n",
@@ -839,8 +820,7 @@ void __init time_init(void)
clocksource_register(&clocksource_tick);
sparc64_clockevent.name = tick_ops->name;
-
- setup_clockevent_multiplier(freq);
+ clockevents_calc_mult_shift(&sparc64_clockevent, freq, 4);
sparc64_clockevent.max_delta_ns =
clockevent_delta2ns(0x7fffffffffffffffUL, &sparc64_clockevent);
--
1.6.5
--
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