diff options
Diffstat (limited to 'arch/arm/mach-sa1100/time.c')
| -rw-r--r-- | arch/arm/mach-sa1100/time.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c index ae4f3d80416..fa6602491d5 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); } |