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-rw-r--r--arch/arm/mach-sa1100/time.c24
1 files changed, 5 insertions, 19 deletions
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index ae4f3d80416f..fa6602491d54 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -92,25 +92,11 @@ sa1100_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *c)
static struct clock_event_device ckevt_sa1100_osmr0 = {
.name = "osmr0",
.features = CLOCK_EVT_FEAT_ONESHOT,
- .shift = 32,
.rating = 200,
.set_next_event = sa1100_osmr0_set_next_event,
.set_mode = sa1100_osmr0_set_mode,
};
-static cycle_t sa1100_read_oscr(struct clocksource *s)
-{
- return OSCR;
-}
-
-static struct clocksource cksrc_sa1100_oscr = {
- .name = "oscr",
- .rating = 200,
- .read = sa1100_read_oscr,
- .mask = CLOCKSOURCE_MASK(32),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
static struct irqaction sa1100_timer_irq = {
.name = "ost0",
.flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
@@ -120,14 +106,13 @@ static struct irqaction sa1100_timer_irq = {
static void __init sa1100_timer_init(void)
{
- OIER = 0; /* disable any timer interrupts */
- OSSR = 0xf; /* clear status on all timers */
+ OIER = 0;
+ OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3;
init_fixed_sched_clock(&cd, sa1100_update_sched_clock, 32,
3686400, SC_MULT, SC_SHIFT);
- ckevt_sa1100_osmr0.mult =
- div_sc(3686400, NSEC_PER_SEC, ckevt_sa1100_osmr0.shift);
+ clockevents_calc_mult_shift(&ckevt_sa1100_osmr0, 3686400, 4);
ckevt_sa1100_osmr0.max_delta_ns =
clockevent_delta2ns(0x7fffffff, &ckevt_sa1100_osmr0);
ckevt_sa1100_osmr0.min_delta_ns =
@@ -136,7 +121,8 @@ static void __init sa1100_timer_init(void)
setup_irq(IRQ_OST0, &sa1100_timer_irq);
- clocksource_register_hz(&cksrc_sa1100_oscr, CLOCK_TICK_RATE);
+ clocksource_mmio_init(&OSCR, "oscr", CLOCK_TICK_RATE, 200, 32,
+ clocksource_mmio_readl_up);
clockevents_register_device(&ckevt_sa1100_osmr0);
}
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