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authorViresh Kumar <viresh.kumar@linaro.org>2015-05-21 13:33:46 +0530
committerThomas Gleixner <tglx@linutronix.de>2015-06-02 14:40:47 +0200
commit472c4a9437d3c6a0b1e59df7c5aa14075946aa70 (patch)
tree6398aeeb0a87cd8c96fb8ba2247efa139f412543 /kernel/time/clockevents.c
parent3434d23b694e5cb6e44e966914563406c31c4053 (diff)
clockevents: Use helpers to check the state of a clockevent device
Use accessor functions to check the state of clockevent devices in core code. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: linaro-kernel@lists.linaro.org Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/fa2b9869fd17f210eaa156ec2b594efd0230b6c7.1432192527.git.viresh.kumar@linaro.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/time/clockevents.c')
-rw-r--r--kernel/time/clockevents.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 2a5c369e50ab..e568ec8c320b 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -136,7 +136,7 @@ static int __clockevents_set_state(struct clock_event_device *dev,
case CLOCK_EVT_STATE_ONESHOT_STOPPED:
/* Core internal bug */
- if (WARN_ONCE(dev->state != CLOCK_EVT_STATE_ONESHOT,
+ if (WARN_ONCE(!clockevent_state_oneshot(dev),
"Current state: %d\n", dev->state))
return -EINVAL;
@@ -170,7 +170,7 @@ void clockevents_set_state(struct clock_event_device *dev,
* A nsec2cyc multiplicator of 0 is invalid and we'd crash
* on it, so fix it up and emit a warning:
*/
- if (state == CLOCK_EVT_STATE_ONESHOT) {
+ if (clockevent_state_oneshot(dev)) {
if (unlikely(!dev->mult)) {
dev->mult = 1;
WARN_ON(1);
@@ -259,7 +259,7 @@ static int clockevents_program_min_delta(struct clock_event_device *dev)
delta = dev->min_delta_ns;
dev->next_event = ktime_add_ns(ktime_get(), delta);
- if (dev->state == CLOCK_EVT_STATE_SHUTDOWN)
+ if (clockevent_state_shutdown(dev))
return 0;
dev->retries++;
@@ -296,7 +296,7 @@ static int clockevents_program_min_delta(struct clock_event_device *dev)
delta = dev->min_delta_ns;
dev->next_event = ktime_add_ns(ktime_get(), delta);
- if (dev->state == CLOCK_EVT_STATE_SHUTDOWN)
+ if (clockevent_state_shutdown(dev))
return 0;
dev->retries++;
@@ -328,11 +328,11 @@ int clockevents_program_event(struct clock_event_device *dev, ktime_t expires,
dev->next_event = expires;
- if (dev->state == CLOCK_EVT_STATE_SHUTDOWN)
+ if (clockevent_state_shutdown(dev))
return 0;
/* We must be in ONESHOT state here */
- WARN_ONCE(dev->state != CLOCK_EVT_STATE_ONESHOT, "Current state: %d\n",
+ WARN_ONCE(!clockevent_state_oneshot(dev), "Current state: %d\n",
dev->state);
/* Shortcut for clockevent devices that can deal with ktime. */
@@ -377,7 +377,7 @@ static int clockevents_replace(struct clock_event_device *ced)
struct clock_event_device *dev, *newdev = NULL;
list_for_each_entry(dev, &clockevent_devices, list) {
- if (dev == ced || dev->state != CLOCK_EVT_STATE_DETACHED)
+ if (dev == ced || !clockevent_state_detached(dev))
continue;
if (!tick_check_replacement(newdev, dev))
@@ -403,7 +403,7 @@ static int clockevents_replace(struct clock_event_device *ced)
static int __clockevents_try_unbind(struct clock_event_device *ced, int cpu)
{
/* Fast track. Device is unused */
- if (ced->state == CLOCK_EVT_STATE_DETACHED) {
+ if (clockevent_state_detached(ced)) {
list_del_init(&ced->list);
return 0;
}
@@ -561,10 +561,10 @@ int __clockevents_update_freq(struct clock_event_device *dev, u32 freq)
{
clockevents_config(dev, freq);
- if (dev->state == CLOCK_EVT_STATE_ONESHOT)
+ if (clockevent_state_oneshot(dev))
return clockevents_program_event(dev, dev->next_event, false);
- if (dev->state == CLOCK_EVT_STATE_PERIODIC)
+ if (clockevent_state_periodic(dev))
return __clockevents_set_state(dev, CLOCK_EVT_STATE_PERIODIC);
return 0;
@@ -625,7 +625,7 @@ void clockevents_exchange_device(struct clock_event_device *old,
}
if (new) {
- BUG_ON(new->state != CLOCK_EVT_STATE_DETACHED);
+ BUG_ON(!clockevent_state_detached(new));
clockevents_shutdown(new);
}
}
@@ -681,7 +681,7 @@ void tick_cleanup_dead_cpu(int cpu)
if (cpumask_test_cpu(cpu, dev->cpumask) &&
cpumask_weight(dev->cpumask) == 1 &&
!tick_is_broadcast_device(dev)) {
- BUG_ON(dev->state != CLOCK_EVT_STATE_DETACHED);
+ BUG_ON(!clockevent_state_detached(dev));
list_del(&dev->list);
}
}