From 40cc52440073903f3b7477a3391c4ca0761445d0 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sun, 19 Dec 2010 15:43:34 +0000 Subject: ARM: clockevents: fix IOP clock events initialization Ensure that no interrupt is pending before registering the clock event device, and properly initialize the periodic tick in the ->set_mode callback. Signed-off-by: Russell King --- arch/arm/plat-iop/time.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'arch/arm/plat-iop/time.c') diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c index 85d3e55..d615e6f 100644 --- a/arch/arm/plat-iop/time.c +++ b/arch/arm/plat-iop/time.c @@ -87,6 +87,7 @@ static void iop_set_mode(enum clock_event_mode mode, case CLOCK_EVT_MODE_PERIODIC: write_tmr0(tmr & ~IOP_TMR_EN); write_tcr0(ticks_per_jiffy - 1); + write_trr0(ticks_per_jiffy - 1); tmr |= (IOP_TMR_RELOAD | IOP_TMR_EN); break; case CLOCK_EVT_MODE_ONESHOT: @@ -152,6 +153,7 @@ void __init iop_init_time(unsigned long tick_rate) * Set up interrupting clockevent timer 0. */ write_tmr0(timer_ctl & ~IOP_TMR_EN); + write_tisr(1); setup_irq(IRQ_IOP_TIMER0, &iop_timer_irq); clockevents_calc_mult_shift(&iop_clockevent, tick_rate, IOP_MIN_RANGE); @@ -161,9 +163,6 @@ void __init iop_init_time(unsigned long tick_rate) clockevent_delta2ns(0xf, &iop_clockevent); iop_clockevent.cpumask = cpumask_of(0); clockevents_register_device(&iop_clockevent); - write_trr0(ticks_per_jiffy - 1); - write_tcr0(ticks_per_jiffy - 1); - write_tmr0(timer_ctl); /* * Set up free-running clocksource timer 1. -- cgit v1.1