linux-kernel - Re: [PATCH v4 13/16] PM / devfreq: tegra: Support Tegra30

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Message-ID: <20190624073414epcms1p87b6dc13758b6bd401d275cfba583314a@epcms1p8>
Date:   Mon, 24 Jun 2019 16:34:14 +0900
From:   MyungJoo Ham <myungjoo.ham@...sung.com>
To:     "digetx@...il.com" <digetx@...il.com>
CC:     Chanwoo Choi <cw00.choi@...sung.com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "jonathanh@...dia.com" <jonathanh@...dia.com>,
        "thierry.reding@...il.com" <thierry.reding@...il.com>
Subject: Re: [PATCH v4 13/16] PM / devfreq: tegra: Support Tegra30

> 
>A question:
> 
>Does this driver support Tegra20 as well?
>I'm asking this because ARCH_TEGRA includes ARCH_TEGRA_2x_SOC
>according to /drivers/soc/tegra/Kconfig.
> 

For this matter, how about updating your 13/16 patch as follows?

---
 drivers/devfreq/Kconfig         | 4 ++--
 drivers/devfreq/tegra-devfreq.c | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 7dd46d44579d..78c4b436aad8 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -93,8 +93,8 @@ config ARM_EXYNOS_BUS_DEVFREQ
 	  This does not yet operate with optimal voltages.
 
 config ARM_TEGRA_DEVFREQ
-	tristate "Tegra DEVFREQ Driver"
-	depends on ARCH_TEGRA_124_SOC
+	tristate "NVIDIA Tegra30/114/124/210 DEVFREQ Driver"
+	depends on ARCH_TEGRA_3x_SOC || ARCH_TEGRA_114_SOC || ARCH_TEGRA_124_SOC || ARCH_TEGRA_210_SOC
 	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 5cddf2199c4e..a6ba75f4106d 100644
--- a/drivers/devfreq/tegra-devfreq.c
+++ b/drivers/devfreq/tegra-devfreq.c
@@ -726,6 +726,7 @@ static int tegra_devfreq_remove(struct platform_device *pdev)
 }
 
 static const struct of_device_id tegra_devfreq_of_match[] = {
+	{ .compatible = "nvidia,tegra30-actmon" },
 	{ .compatible = "nvidia,tegra124-actmon" },
 	{ },
 };
-- 
2.17.1