linux-kernel - [PATCH v4 10/16] PM / devfreq: tegra: Mark ACTMON's governor as immutable

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Message-Id: <20190501233815.32643-11-digetx@gmail.com>
Date:   Thu,  2 May 2019 02:38:09 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:     linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 10/16] 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@...sung.com>
Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 drivers/devfreq/Kconfig         | 1 -
 drivers/devfreq/tegra-devfreq.c | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 6a172d338f6d..a78dffe603c1 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -94,7 +94,6 @@ 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 5265d735419f..65b3a7c72293 100644
--- a/drivers/devfreq/tegra-devfreq.c
+++ b/drivers/devfreq/tegra-devfreq.c
@@ -606,6 +606,7 @@ 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)
-- 
2.21.0