linux-kernel - Re: [PATCH v3 13/16] PM / devfreq: tegra: Support Tegra30

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Date:   Thu, 18 Apr 2019 09:21:55 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Dmitry Osipenko <digetx@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:     linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH v3 13/16] PM / devfreq: tegra: Support Tegra30

On 19. 4. 18. 오전 7:29, Dmitry Osipenko wrote:
> The devfreq driver can be used on Tegra30 without any code change and
> it works perfectly fine, the default Tegra124 parameters are good enough
> for Tegra30.
> 
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---
>  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 a78dffe603c1..56db9dc05edb 100644
> --- a/drivers/devfreq/Kconfig
> +++ b/drivers/devfreq/Kconfig
> @@ -92,8 +92,8 @@ 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
>  	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 e9ab49394d35..029afc5fb6a9 100644
> --- a/drivers/devfreq/tegra-devfreq.c
> +++ b/drivers/devfreq/tegra-devfreq.c
> @@ -738,6 +738,7 @@ 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" },
>  	{ },
>  };
> 

Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics