PM / devfreq: tegra: Mark ACTMON's governor as immutable

The ACTMON's governor supports only the Tegra's devfreq device and there
is no need to use any other governor, hence let's mark Tegra governor as
immutable to permanently stick it with Tegra's devfreq device.

Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index ba98a4e3ad3388256b2c61918095d052d8e5c5ed..7dd46d44579da11e469254ed6cd11bf1a07feedf 100644 (file)
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -95,7 +95,6 @@ config ARM_EXYNOS_BUS_DEVFREQ
 config ARM_TEGRA_DEVFREQ
        tristate "Tegra DEVFREQ Driver"
        depends on ARCH_TEGRA_124_SOC
-       select DEVFREQ_GOV_SIMPLE_ONDEMAND
        select PM_OPP
        help
          This adds the DEVFREQ driver for the Tegra family of SoCs.

diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c
index f23f7b35863b365856b95ea8eda6daf12bf5cf53..bf3fe2e81bc964f1882b4aa3dbe33896e0163b86 100644 (file)
--- a/drivers/devfreq/tegra-devfreq.c
+++ b/drivers/devfreq/tegra-devfreq.c
@@ -594,6 +594,7 @@ static struct devfreq_governor tegra_devfreq_governor = {
        .name = "tegra_actmon",
        .get_target_freq = tegra_governor_get_target,
        .event_handler = tegra_governor_event_handler,
+       .immutable = true,
 };
 
 static int tegra_devfreq_probe(struct platform_device *pdev)