diff options
Diffstat (limited to 'drivers/devfreq/governor_simpleondemand.c')
-rw-r--r-- | drivers/devfreq/governor_simpleondemand.c | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/drivers/devfreq/governor_simpleondemand.c b/drivers/devfreq/governor_simpleondemand.c index a2e3eae79011..0720ba84ca92 100644 --- a/drivers/devfreq/governor_simpleondemand.c +++ b/drivers/devfreq/governor_simpleondemand.c | |||
@@ -10,8 +10,10 @@ | |||
10 | */ | 10 | */ |
11 | 11 | ||
12 | #include <linux/errno.h> | 12 | #include <linux/errno.h> |
13 | #include <linux/module.h> | ||
13 | #include <linux/devfreq.h> | 14 | #include <linux/devfreq.h> |
14 | #include <linux/math64.h> | 15 | #include <linux/math64.h> |
16 | #include "governor.h" | ||
15 | 17 | ||
16 | /* Default constants for DevFreq-Simple-Ondemand (DFSO) */ | 18 | /* Default constants for DevFreq-Simple-Ondemand (DFSO) */ |
17 | #define DFSO_UPTHRESHOLD (90) | 19 | #define DFSO_UPTHRESHOLD (90) |
@@ -88,7 +90,58 @@ static int devfreq_simple_ondemand_func(struct devfreq *df, | |||
88 | return 0; | 90 | return 0; |
89 | } | 91 | } |
90 | 92 | ||
91 | const struct devfreq_governor devfreq_simple_ondemand = { | 93 | static int devfreq_simple_ondemand_handler(struct devfreq *devfreq, |
94 | unsigned int event, void *data) | ||
95 | { | ||
96 | switch (event) { | ||
97 | case DEVFREQ_GOV_START: | ||
98 | devfreq_monitor_start(devfreq); | ||
99 | break; | ||
100 | |||
101 | case DEVFREQ_GOV_STOP: | ||
102 | devfreq_monitor_stop(devfreq); | ||
103 | break; | ||
104 | |||
105 | case DEVFREQ_GOV_INTERVAL: | ||
106 | devfreq_interval_update(devfreq, (unsigned int *)data); | ||
107 | break; | ||
108 | |||
109 | case DEVFREQ_GOV_SUSPEND: | ||
110 | devfreq_monitor_suspend(devfreq); | ||
111 | break; | ||
112 | |||
113 | case DEVFREQ_GOV_RESUME: | ||
114 | devfreq_monitor_resume(devfreq); | ||
115 | break; | ||
116 | |||
117 | default: | ||
118 | break; | ||
119 | } | ||
120 | |||
121 | return 0; | ||
122 | } | ||
123 | |||
124 | static struct devfreq_governor devfreq_simple_ondemand = { | ||
92 | .name = "simple_ondemand", | 125 | .name = "simple_ondemand", |
93 | .get_target_freq = devfreq_simple_ondemand_func, | 126 | .get_target_freq = devfreq_simple_ondemand_func, |
127 | .event_handler = devfreq_simple_ondemand_handler, | ||
94 | }; | 128 | }; |
129 | |||
130 | static int __init devfreq_simple_ondemand_init(void) | ||
131 | { | ||
132 | return devfreq_add_governor(&devfreq_simple_ondemand); | ||
133 | } | ||
134 | subsys_initcall(devfreq_simple_ondemand_init); | ||
135 | |||
136 | static void __exit devfreq_simple_ondemand_exit(void) | ||
137 | { | ||
138 | int ret; | ||
139 | |||
140 | ret = devfreq_remove_governor(&devfreq_simple_ondemand); | ||
141 | if (ret) | ||
142 | pr_err("%s: failed remove governor %d\n", __func__, ret); | ||
143 | |||
144 | return; | ||
145 | } | ||
146 | module_exit(devfreq_simple_ondemand_exit); | ||
147 | MODULE_LICENSE("GPL"); | ||