diff options
| author | Matt Wagner <mwagner@nvidia.com> | 2012-09-06 11:46:13 -0700 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2012-09-11 17:21:15 -0700 |
| commit | 205718b2801464cdb5369b2a6200d077b7d5e96b (patch) | |
| tree | 398573b91f34f895fc043279ef590ec6968cd76d | |
| parent | 8aecb2c96834197427737ea4d06700a9eeda532b (diff) | |
cpufreq: interactive: Add Uevent Signal on Gov Start
Sends kobject_uevent signal back to userspace to signal that
the cpufreq governor has been set to interactive
Bug 1039141
Change-Id: I699e9d5834a1874b36c675764c080112ccba0f9f
Signed-off-by: Matt Wagner <mwagner@nvidia.com>
Reviewed-on: http://git-master/r/131224
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Dan Willemsen <dwillemsen@nvidia.com>
| -rw-r--r-- | drivers/cpufreq/cpufreq_interactive.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq_interactive.c b/drivers/cpufreq/cpufreq_interactive.c index 20a9b6d22156..7821e41ab332 100644 --- a/drivers/cpufreq/cpufreq_interactive.c +++ b/drivers/cpufreq/cpufreq_interactive.c @@ -61,6 +61,7 @@ static spinlock_t up_cpumask_lock; static cpumask_t down_cpumask; static spinlock_t down_cpumask_lock; static struct mutex set_speed_lock; +static struct kobject *interactive_kobj; /* Go to max speed when CPU load at or above this value. */ #define DEFAULT_GO_MAXSPEED_LOAD 85 @@ -660,6 +661,10 @@ static int cpufreq_governor_interactive(struct cpufreq_policy *policy, rc = sysfs_create_group(cpufreq_global_kobject, &interactive_attr_group); + interactive_kobj = kobject_create_and_add( + "gov_interactive", + cpufreq_global_kobject); + kobject_uevent(interactive_kobj, KOBJ_ADD); if (rc) return rc; @@ -687,6 +692,8 @@ static int cpufreq_governor_interactive(struct cpufreq_policy *policy, sysfs_remove_group(cpufreq_global_kobject, &interactive_attr_group); + kobject_uevent(interactive_kobj, KOBJ_REMOVE); + kobject_put(interactive_kobj); break; |