Messages in this thread Patch in this message | | | From | Kamil Konieczny <> | Subject | [PATCH 3/4] PM / devfreq: Kconfig: add DEVFREQ_DELAYED_TIMER option | Date | Mon, 9 Dec 2019 15:44:24 +0100 |
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Add Kconfig option DEVFREQ_DELAYED_TIMER. If set, devfreq workqueue will use delayed timer from its start.
Signed-off-by: Kamil Konieczny <k.konieczny@samsung.com> --- 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
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