[PATCH] cpufreq: Remove cpufreq_driver check in cpufreq_boost_supported()

[Yue Hu <zbestahu@gmail.com>]

From: Yue Hu <huyue2@yulong.com>

Currently there are three calling paths for cpufreq_boost_supported() in
all as below, we can see the cpufreq_driver null check is needless since
it is already checked before.

<path1>
  cpufreq_enable_boost_support()
    |-> if (!cpufreq_driver)
    |-> cpufreq_boost_supported()

<path2>
  cpufreq_register_driver()
    |-> if (!driver_data ...
    |-> cpufreq_driver = driver_data
    |-> cpufreq_boost_supported()
    |-> remove_boost_sysfs_file()
          |-> cpufreq_boost_supported()

<path3>
  cpufreq_unregister_driver()
    |-> if (!cpufreq_driver ...
    |-> remove_boost_sysfs_file()
          |-> cpufreq_boost_supported()

Signed-off-by: Yue Hu <huyue2@yulong.com>
---
 drivers/cpufreq/cpufreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index e109227..d9123de 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2426,7 +2426,7 @@ int cpufreq_boost_trigger_state(int state)
 
 static bool cpufreq_boost_supported(void)
 {
-	return likely(cpufreq_driver) && cpufreq_driver->set_boost;
+	return cpufreq_driver->set_boost;
 }
 
 static int create_boost_sysfs_file(void)
-- 
1.9.1