aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/cpufreq/cpufreq.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
-rw-r--r--drivers/cpufreq/cpufreq.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 8412ce5f93a7..c35e7da1ed7a 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2330,29 +2330,15 @@ int cpufreq_boost_trigger_state(int state)
return ret;
}
-int cpufreq_boost_supported(void)
+static bool cpufreq_boost_supported(void)
{
- if (likely(cpufreq_driver))
- return cpufreq_driver->boost_supported;
-
- return 0;
+ return likely(cpufreq_driver) && cpufreq_driver->set_boost;
}
-EXPORT_SYMBOL_GPL(cpufreq_boost_supported);
static int create_boost_sysfs_file(void)
{
int ret;
- if (!cpufreq_boost_supported())
- return 0;
-
- /*
- * Check if driver provides function to enable boost -
- * if not, use cpufreq_boost_set_sw as default
- */
- if (!cpufreq_driver->set_boost)
- cpufreq_driver->set_boost = cpufreq_boost_set_sw;
-
ret = sysfs_create_file(cpufreq_global_kobject, &boost.attr);
if (ret)
pr_err("%s: cannot register global BOOST sysfs file\n",
@@ -2375,7 +2361,7 @@ int cpufreq_enable_boost_support(void)
if (cpufreq_boost_supported())
return 0;
- cpufreq_driver->boost_supported = true;
+ cpufreq_driver->set_boost = cpufreq_boost_set_sw;
/* This will get removed on driver unregister */
return create_boost_sysfs_file();
@@ -2435,9 +2421,11 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
if (driver_data->setpolicy)
driver_data->flags |= CPUFREQ_CONST_LOOPS;
- ret = create_boost_sysfs_file();
- if (ret)
- goto err_null_driver;
+ if (cpufreq_boost_supported()) {
+ ret = create_boost_sysfs_file();
+ if (ret)
+ goto err_null_driver;
+ }
ret = subsys_interface_register(&cpufreq_interface);
if (ret)