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cpuidle: sysfs: Remove sysfs_switch and switch attributes

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Since the cpuidle governor can be switched via sysfs in default,
remove sysfs_switch and cpuidle_switch_attrs.

Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Doug Smythies <dsmythies@telus.net>
Tested-by: Doug Smythies <dsmythies@telus.net>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Hanjun Guo
2020-05-19 14:25:23 +08:00
committed by Rafael J. Wysocki
parent b52e93e4e8
commit cce55cc902
1 changed files with 2 additions and 20 deletions
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22
drivers/cpuidle/sysfs.c
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@@ -18,14 +18,6 @@
#include "cpuidle.h" #include "cpuidle.h"
static unsigned int sysfs_switch;
static int __init cpuidle_sysfs_setup(char *unused)
{
sysfs_switch = 1;
return 1;
}
__setup("cpuidle_sysfs_switch", cpuidle_sysfs_setup);
static ssize_t show_available_governors(struct device *dev, static ssize_t show_available_governors(struct device *dev,
struct device_attribute *attr, struct device_attribute *attr,
char *buf) char *buf)
@@ -112,7 +104,7 @@ static DEVICE_ATTR(current_governor, 0644, show_current_governor,
store_current_governor); store_current_governor);
static DEVICE_ATTR(current_governor_ro, 0444, show_current_governor, NULL); static DEVICE_ATTR(current_governor_ro, 0444, show_current_governor, NULL);
static struct attribute *cpuidle_default_attrs[] = { static struct attribute *cpuidle_attrs[] = {
&dev_attr_available_governors.attr, &dev_attr_available_governors.attr,
&dev_attr_current_driver.attr, &dev_attr_current_driver.attr,
&dev_attr_current_governor.attr, &dev_attr_current_governor.attr,
@@ -120,15 +112,8 @@ static struct attribute *cpuidle_default_attrs[] = {
NULL NULL
}; };
static struct attribute *cpuidle_switch_attrs[] = {
&dev_attr_available_governors.attr,
&dev_attr_current_driver.attr,
&dev_attr_current_governor.attr,
NULL
};
static struct attribute_group cpuidle_attr_group = { static struct attribute_group cpuidle_attr_group = {
.attrs = cpuidle_default_attrs, .attrs = cpuidle_attrs,
.name = "cpuidle", .name = "cpuidle",
}; };
@@ -138,9 +123,6 @@ static struct attribute_group cpuidle_attr_group = {
*/ */
int cpuidle_add_interface(struct device *dev) int cpuidle_add_interface(struct device *dev)
{ {
if (sysfs_switch)
cpuidle_attr_group.attrs = cpuidle_switch_attrs;
return sysfs_create_group(&dev->kobj, &cpuidle_attr_group); return sysfs_create_group(&dev->kobj, &cpuidle_attr_group);
} }