From 205718b2801464cdb5369b2a6200d077b7d5e96b Mon Sep 17 00:00:00 2001 From: Matt Wagner Date: Thu, 6 Sep 2012 11:46:13 -0700 Subject: 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 Reviewed-on: http://git-master/r/131224 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Dan Willemsen --- drivers/cpufreq/cpufreq_interactive.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers') 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; -- cgit v1.2.3