sysfs.c (e752ab11dcb48353727ea26eefd740155e028865) sysfs.c (bf6479dbe743ca343fa122aaffbe9dcb1de80a51)
1/*
2 * sysfs.c - sysfs support
3 *
4 * (C) 2006-2007 Shaohua Li <shaohua.li@intel.com>
5 *
6 * This code is licenced under the GPL.
7 */
8

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114
115static struct attribute_group cpuidle_attr_group = {
116 .attrs = cpuidle_attrs,
117 .name = "cpuidle",
118};
119
120/**
121 * cpuidle_add_interface - add CPU global sysfs attributes
1/*
2 * sysfs.c - sysfs support
3 *
4 * (C) 2006-2007 Shaohua Li <shaohua.li@intel.com>
5 *
6 * This code is licenced under the GPL.
7 */
8

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114
115static struct attribute_group cpuidle_attr_group = {
116 .attrs = cpuidle_attrs,
117 .name = "cpuidle",
118};
119
120/**
121 * cpuidle_add_interface - add CPU global sysfs attributes
122 * @dev: the target device
123 */
122 */
124int cpuidle_add_interface(struct device *dev)
123int cpuidle_add_interface(void)
125{
124{
126 return sysfs_create_group(&dev->kobj, &cpuidle_attr_group);
125 struct device *dev_root = bus_get_dev_root(&cpu_subsys);
126 int retval;
127
128 if (!dev_root)
129 return -EINVAL;
130
131 retval = sysfs_create_group(&dev_root->kobj, &cpuidle_attr_group);
132 put_device(dev_root);
133 return retval;
127}
128
129/**
130 * cpuidle_remove_interface - remove CPU global sysfs attributes
131 * @dev: the target device
132 */
133void cpuidle_remove_interface(struct device *dev)
134{

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135
136/**
137 * cpuidle_remove_interface - remove CPU global sysfs attributes
138 * @dev: the target device
139 */
140void cpuidle_remove_interface(struct device *dev)
141{

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