[PATCH] cpuidle: remove redundant check in cpuidle_switch_governor

[Yu Liao]

gov has already been NULL checked at the beginning of
cpuidle_switch_governor, so remove redundant check.

And use pr_info instead printk to fix the following checkpatch warning.

WARNING: Prefer [subsystem eg: netdev]_info([subsystem]dev, ... then
dev_info(dev, ... then pr_info(...  to printk(KERN_INFO ...

Signed-off-by: Yu Liao <liaoyu15@xxxxxxxxxx>
---
 drivers/cpuidle/governor.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c
index 29acaf48e575..9e6865edb942 100644
--- a/drivers/cpuidle/governor.c
+++ b/drivers/cpuidle/governor.c
@@ -63,12 +63,10 @@ int cpuidle_switch_governor(struct cpuidle_governor *gov)
 
 	cpuidle_curr_governor = gov;
 
-	if (gov) {
-		list_for_each_entry(dev, &cpuidle_detected_devices, device_list)
-			cpuidle_enable_device(dev);
-		cpuidle_install_idle_handler();
-		printk(KERN_INFO "cpuidle: using governor %s\n", gov->name);
-	}
+	list_for_each_entry(dev, &cpuidle_detected_devices, device_list)
+		cpuidle_enable_device(dev);
+	cpuidle_install_idle_handler();
+	pr_info("cpuidle: using governor %s\n", gov->name);
 
 	return 0;
 }
-- 
2.25.1