Commit-ID: 61ee9a4ba05f0a4163d43a33dee7a0651e080b98
Gitweb: http://git.kernel.org/tip/61ee9a4ba05f0a4163d43a33dee7a0651e080b98
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Wed, 18 May 2011 21:33:42 +0000
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 19 May 2011 14:24:16 +0200
x86: Convert PIT to clockevents_config_and_register()
Let the core do the work.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: John Stultz <john.stultz@xxxxxxxxxx>
Reviewed-by: Ingo Molnar <mingo@xxxxxxx>
Link: http://lkml.kernel.org/r/%3C20110518210136.545615675%40linutronix.de%3E
---
arch/x86/kernel/i8253.c | 6 +-----
1 files changed, 1 insertions(+), 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;
}
--
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