cpuidle: Make drivers initialize polling state

Make the drivers that want to include the polling state into their
states table initialize it explicitly and drop the initialization of
it (which in fact is conditional, but that is not obvious from the
code) from the core.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>

2 files changed, 2 insertions, 3 deletions

diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 6f694c8..dc32f34 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -216,8 +216,6 @@ static int __cpuidle_register_driver(struct cpuidle_driver *drv)
 		on_each_cpu_mask(drv->cpumask, cpuidle_setup_broadcast_timer,
 				 (void *)1, 1);
 
-	poll_idle_init(drv);
-
 	return 0;
 }
 
diff --git a/drivers/cpuidle/poll_state.c b/drivers/cpuidle/poll_state.c
index 0db4f72..7416b16 100644
--- a/drivers/cpuidle/poll_state.c
+++ b/drivers/cpuidle/poll_state.c
@@ -21,7 +21,7 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev,
 	return index;
 }
 
-void poll_idle_init(struct cpuidle_driver *drv)
+void cpuidle_poll_state_init(struct cpuidle_driver *drv)
 {
 	struct cpuidle_state *state = &drv->states[0];
 
@@ -34,3 +34,4 @@ void poll_idle_init(struct cpuidle_driver *drv)
 	state->disabled = false;
 	state->flags = CPUIDLE_FLAG_POLLING;
 }
+EXPORT_SYMBOL_GPL(cpuidle_poll_state_init);