From 61ee9a4ba05f0a4163d43a33dee7a0651e080b98 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 18 May 2011 21:33:42 +0000 Subject: [PATCH] x86: Convert PIT to clockevents_config_and_register() Let the core do the work. Signed-off-by: Thomas Gleixner Cc: John Stultz Reviewed-by: Ingo Molnar Link: http://lkml.kernel.org/r/%3C20110518210136.545615675%40linutronix.de%3E --- arch/x86/kernel/i8253.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c index 577e90c..fb66dc9 100644 --- a/arch/x86/kernel/i8253.c +++ b/arch/x86/kernel/i8253.c @@ -93,7 +93,6 @@ static struct clock_event_device pit_ce = { .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, .set_mode = init_pit_timer, .set_next_event = pit_next_event, - .shift = 32, .irq = 0, }; @@ -108,11 +107,8 @@ void __init setup_pit_timer(void) * IO_APIC has been initialized. */ pit_ce.cpumask = cpumask_of(smp_processor_id()); - pit_ce.mult = div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, pit_ce.shift); - pit_ce.max_delta_ns = clockevent_delta2ns(0x7FFF, &pit_ce); - pit_ce.min_delta_ns = clockevent_delta2ns(0xF, &pit_ce); - clockevents_register_device(&pit_ce); + clockevents_config_and_register(&pit_ce, CLOCK_TICK_RATE, 0xF, 0x7FFF); global_clock_event = &pit_ce; } -- 2.7.4