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path: root/drivers/cpuidle/governor.c
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Diffstat (limited to 'drivers/cpuidle/governor.c')
-rw-r--r--drivers/cpuidle/governor.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c
index ea2f8e7aa24a..ca89412f5122 100644
--- a/drivers/cpuidle/governor.c
+++ b/drivers/cpuidle/governor.c
@@ -96,46 +96,3 @@ int cpuidle_register_governor(struct cpuidle_governor *gov)
96 96
97 return ret; 97 return ret;
98} 98}
99
100/**
101 * cpuidle_replace_governor - find a replacement governor
102 * @exclude_rating: the rating that will be skipped while looking for
103 * new governor.
104 */
105static struct cpuidle_governor *cpuidle_replace_governor(int exclude_rating)
106{
107 struct cpuidle_governor *gov;
108 struct cpuidle_governor *ret_gov = NULL;
109 unsigned int max_rating = 0;
110
111 list_for_each_entry(gov, &cpuidle_governors, governor_list) {
112 if (gov->rating == exclude_rating)
113 continue;
114 if (gov->rating > max_rating) {
115 max_rating = gov->rating;
116 ret_gov = gov;
117 }
118 }
119
120 return ret_gov;
121}
122
123/**
124 * cpuidle_unregister_governor - unregisters a governor
125 * @gov: the governor
126 */
127void cpuidle_unregister_governor(struct cpuidle_governor *gov)
128{
129 if (!gov)
130 return;
131
132 mutex_lock(&cpuidle_lock);
133 if (gov == cpuidle_curr_governor) {
134 struct cpuidle_governor *new_gov;
135 new_gov = cpuidle_replace_governor(gov->rating);
136 cpuidle_switch_governor(new_gov);
137 }
138 list_del(&gov->governor_list);
139 mutex_unlock(&cpuidle_lock);
140}
141