cpuidle: Drop unnecessary type cast in cpuidle_poll_time()

The data type of the target_residency_ns field in struct cpuidle_state
is u64, so it does not need to be cast into u64.

Get rid of the unnecessary type cast.

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

diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 15877b4..33d19c8 100644 (file)
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -381,7 +381,7 @@ u64 cpuidle_poll_time(struct cpuidle_driver *drv,
                if (dev->states_usage[i].disable)
                        continue;
 
-               limit_ns = (u64)drv->states[i].target_residency_ns;
+               limit_ns = drv->states[i].target_residency_ns;
                break;
        }