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Commit 61ee9a4b authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

x86: Convert PIT to clockevents_config_and_register() 



Let the core do the work.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Reviewed-by: default avatarIngo Molnar <mingo@elte.hu>
Link: http://lkml.kernel.org/r/%3C20110518210136.545615675%40linutronix.de%3E
parent 80b816b7

arch/x86/kernel/i8253.c

+1 −5
Original line number Diff line number Diff line
@@ -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;

}