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 ba98a4e..7dd46d4 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 f23f7b3..bf3fe2e 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)