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clockevents/drivers/i8253: Migrate to new 'set-state' interface

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Migrate i8253 driver to the new 'set-state' interface provided by
clockevents core, the earlier 'set-mode' interface is marked obsolete
now.

This also enables us to implement callbacks for new states of clockevent
devices, for example: ONESHOT_STOPPED.

Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Viresh Kumar
2015-06-18 16:24:22 +05:30
committed by Daniel Lezcano
parent 7376634018
commit 8eda41b086
2 changed files with 38 additions and 39 deletions
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2
arch/x86/kernel/i8253.c
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@@ -34,7 +34,7 @@ static int __init init_pit_clocksource(void)
* - when local APIC timer is active (PIT is switched off)
*/
if (num_possible_cpus() > 1 || is_hpet_enabled() ||
i8253_clockevent.mode != CLOCK_EVT_MODE_PERIODIC)
!clockevent_state_periodic(&i8253_clockevent))
return 0;
return clocksource_i8253_init();