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Date:   Fri, 14 Aug 2020 03:06:02 +0300
From:   Dmitry Osipenko <>
To:     Thierry Reding <>,
        Jonathan Hunter <>,
        Georgi Djakov <>,
        Rob Herring <>,
        Michael Turquette <>,
        Stephen Boyd <>,
        Peter De Schrijver <>,
        MyungJoo Ham <>,
        Kyungmin Park <>,
        Chanwoo Choi <>,
        Mikko Perttunen <>
Subject: [PATCH v5 17/36] PM / devfreq: tegra20: Relax Kconfig dependency

The Tegra EMC driver now could be compiled as a loadable kernel module.
Currently devfreq driver depends on the EMC/MC drivers in Kconfig, and
thus, devfreq is forced to be a kernel module if EMC is compiled as a
module. This build dependency could be relaxed since devfreq driver
checks MC/EMC presence on probe, allowing kernel configuration where
devfreq is a built-in driver and EMC driver is a loadable module.
This change puts Tegra20 devfreq Kconfig entry on a par with the Tegra30
devfreq entry.

Acked-by: Chanwoo Choi <>
Signed-off-by: Dmitry Osipenko <>
 drivers/devfreq/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 37dc40d1fcfb..0ee36ae2fa79 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -123,7 +123,7 @@ config ARM_TEGRA_DEVFREQ
 	tristate "NVIDIA Tegra20 DEVFREQ Driver"
-	depends on (TEGRA_MC && TEGRA20_EMC) || COMPILE_TEST
+	depends on ARCH_TEGRA_2x_SOC || COMPILE_TEST
 	depends on COMMON_CLK

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