cpufreq: Make the "scaling_governor" sysfs node pollable
A userspace module programs different qos-rules depending on the
governor running in the system. Make the governor node
pollable, so that the userspace module can be triggered when
the value of the governor changes.
change-Id: Ic89c77c7d16b0f8954d59a211612e9a8e98a2c28
Signed-off-by: Amar Singhal <asinghal@codeaurora.org>
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 90311b2..473b0ef 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -475,6 +475,8 @@
policy->user_policy.policy = policy->policy;
policy->user_policy.governor = policy->governor;
+ sysfs_notify(&policy->kobj, NULL, "scaling_governor");
+
if (ret)
return ret;
else