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);
 }