clockevents: Remove unused set_mode() callback
All users are migrated to the per-state callbacks, get rid of the
unused interface and the core support code.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linaro-kernel@lists.linaro.org
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/fd60de14cf6d125489c031207567bb255ad946f6.1441943991.git.viresh.kumar@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 50eb107..a9b76a4 100644
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -97,20 +97,6 @@
static int __clockevents_switch_state(struct clock_event_device *dev,
enum clock_event_state state)
{
- /* Transition with legacy set_mode() callback */
- if (dev->set_mode) {
- /* Legacy callback doesn't support new modes */
- if (state > CLOCK_EVT_STATE_ONESHOT)
- return -ENOSYS;
- /*
- * 'clock_event_state' and 'clock_event_mode' have 1-to-1
- * mapping until *_ONESHOT, and so a simple cast will work.
- */
- dev->set_mode((enum clock_event_mode)state, dev);
- dev->mode = (enum clock_event_mode)state;
- return 0;
- }
-
if (dev->features & CLOCK_EVT_FEAT_DUMMY)
return 0;
@@ -204,12 +190,8 @@
{
int ret = 0;
- if (dev->set_mode) {
- dev->set_mode(CLOCK_EVT_MODE_RESUME, dev);
- dev->mode = CLOCK_EVT_MODE_RESUME;
- } else if (dev->tick_resume) {
+ if (dev->tick_resume)
ret = dev->tick_resume(dev);
- }
return ret;
}
@@ -460,26 +442,6 @@
}
EXPORT_SYMBOL_GPL(clockevents_unbind_device);
-/* Sanity check of state transition callbacks */
-static int clockevents_sanity_check(struct clock_event_device *dev)
-{
- /* Legacy set_mode() callback */
- if (dev->set_mode) {
- /* We shouldn't be supporting new modes now */
- WARN_ON(dev->set_state_periodic || dev->set_state_oneshot ||
- dev->set_state_shutdown || dev->tick_resume ||
- dev->set_state_oneshot_stopped);
-
- BUG_ON(dev->mode != CLOCK_EVT_MODE_UNUSED);
- return 0;
- }
-
- if (dev->features & CLOCK_EVT_FEAT_DUMMY)
- return 0;
-
- return 0;
-}
-
/**
* clockevents_register_device - register a clock event device
* @dev: device to register
@@ -488,8 +450,6 @@
{
unsigned long flags;
- BUG_ON(clockevents_sanity_check(dev));
-
/* Initialize state to DETACHED */
clockevent_set_state(dev, CLOCK_EVT_STATE_DETACHED);