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clockevents: Use set/get state helper functions

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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
This commit is contained in:
Thomas Gleixner 2015-06-02 14:13:46 +02:00
parent d7eb231c71
commit 051ebd101b
2 changed files with 7 additions and 6 deletions
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11
kernel/time/clockevents.c
View File

@ -137,7 +137,8 @@ static int __clockevents_switch_state(struct clock_event_device *dev,
case CLOCK_EVT_STATE_ONESHOT_STOPPED:
/* Core internal bug */
if (WARN_ONCE(!clockevent_state_oneshot(dev),
"Current state: %d\n", dev->state))
"Current state: %d\n",
clockevent_get_state(dev)))
return -EINVAL;
if (dev->set_state_oneshot_stopped)
@ -160,11 +161,11 @@ static int __clockevents_switch_state(struct clock_event_device *dev,
void clockevents_switch_state(struct clock_event_device *dev,
enum clock_event_state state)
{
if (dev->state != state) {
if (clockevent_get_state(dev) != state) {
if (__clockevents_switch_state(dev, state))
return;
dev->state = state;
clockevent_set_state(dev, state);
/*
* A nsec2cyc multiplicator of 0 is invalid and we'd crash
@ -333,7 +334,7 @@ int clockevents_program_event(struct clock_event_device *dev, ktime_t expires,
/* We must be in ONESHOT state here */
WARN_ONCE(!clockevent_state_oneshot(dev), "Current state: %d\n",
dev->state);
clockevent_get_state(dev));
/* Shortcut for clockevent devices that can deal with ktime. */
if (dev->features & CLOCK_EVT_FEAT_KTIME)
@ -496,7 +497,7 @@ void clockevents_register_device(struct clock_event_device *dev)
BUG_ON(clockevents_sanity_check(dev));
/* Initialize state to DETACHED */
dev->state = CLOCK_EVT_STATE_DETACHED;
clockevent_set_state(dev, CLOCK_EVT_STATE_DETACHED);
if (!dev->cpumask) {
WARN_ON(num_possible_cpus() > 1);

2
kernel/time/tick-common.c
View File

@ -377,7 +377,7 @@ void tick_shutdown(unsigned int cpu)
* Prevent that the clock events layer tries to call
* the set mode function!
*/
dev->state = CLOCK_EVT_STATE_DETACHED;
clockevent_set_state(dev, CLOCK_EVT_STATE_DETACHED);
dev->mode = CLOCK_EVT_MODE_UNUSED;
clockevents_exchange_device(dev, NULL);
dev->event_handler = clockevents_handle_noop;