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-rw-r--r--drivers/cpufreq/acpi-cpufreq.c5
-rw-r--r--drivers/cpufreq/cpufreq.c22
-rw-r--r--include/linux/cpufreq.h1
3 files changed, 9 insertions, 19 deletions
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 12da54a28a42..51eef87bbc37 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -164,7 +164,7 @@ static ssize_t store_cpb(struct cpufreq_policy *policy, const char *buf,
int ret;
unsigned int val = 0;
- if (!acpi_cpufreq_driver.boost_supported)
+ if (!acpi_cpufreq_driver.set_boost)
return -EINVAL;
ret = kstrtouint(buf, 10, &val);
@@ -900,7 +900,6 @@ static struct cpufreq_driver acpi_cpufreq_driver = {
.resume = acpi_cpufreq_resume,
.name = "acpi-cpufreq",
.attr = acpi_cpufreq_attr,
- .set_boost = set_boost,
};
static void __init acpi_cpufreq_boost_init(void)
@@ -911,7 +910,7 @@ static void __init acpi_cpufreq_boost_init(void)
if (!msrs)
return;
- acpi_cpufreq_driver.boost_supported = true;
+ acpi_cpufreq_driver.set_boost = set_boost;
acpi_cpufreq_driver.boost_enabled = boost_state(0);
cpu_notifier_register_begin();
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 49f3f58f2501..c35e7da1ed7a 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2332,23 +2332,13 @@ int cpufreq_boost_trigger_state(int state)
static bool cpufreq_boost_supported(void)
{
- return likely(cpufreq_driver) && cpufreq_driver->boost_supported;
+ return likely(cpufreq_driver) && cpufreq_driver->set_boost;
}
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",
@@ -2371,7 +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();
@@ -2431,9 +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)
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index f859b728d98e..88a4215125bc 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -278,7 +278,6 @@ struct cpufreq_driver {
struct freq_attr **attr;
/* platform specific boost support code */
- bool boost_supported;
bool boost_enabled;
int (*set_boost)(int state);
};