[PATCH 3/4] PM / devfreq: Kconfig: add DEVFREQ_DELAYED_TIMER option

[Kamil Konieczny]

Add Kconfig option DEVFREQ_DELAYED_TIMER. If set, devfreq workqueue
will use delayed timer from its start.

Signed-off-by: Kamil Konieczny <k.konieczny@xxxxxxxxxxx>
---
 drivers/devfreq/Kconfig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 38a94df749a2..c799917c34c9 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -74,6 +74,18 @@ config DEVFREQ_GOV_PASSIVE
 	  through sysfs entries. The passive governor recommends that
 	  devfreq device uses the OPP table to get the frequency/voltage.
 
+comment "DEVFREQ Options"
+
+config DEVFREQ_DELAYED_TIMER
+	bool "Use delayed timer in Simple Ondemand Governor"
+	default false
+	help
+	  Simple Ondemand Governor uses polling for reading buses counters.
+	  A default timer used is deferred, which saves power, but can
+	  miss increased demand for higher bus frequency if timer was
+	  assigned to idle cpu. If you want to change this to delayed
+	  timer at the cost of more power used, say Yes here.
+
 comment "DEVFREQ Drivers"
 
 config ARM_EXYNOS_BUS_DEVFREQ
-- 
2.24.0