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[109.252.193.159]) by smtp.googlemail.com with ESMTPSA id t9sm20051lfe.274.2020.11.12.04.11.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Nov 2020 04:11:30 -0800 (PST) Subject: Re: [PATCH] ARM: tegra: Populate OPP table for Tegra20 Ventana To: Jon Hunter , Rob Herring , Thierry Reding Cc: devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20201111103847.152721-1-jonathanh@nvidia.com> From: Dmitry Osipenko Message-ID: Date: Thu, 12 Nov 2020 15:11:29 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.4.2 MIME-Version: 1.0 In-Reply-To: <20201111103847.152721-1-jonathanh@nvidia.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 11.11.2020 13:38, Jon Hunter пишет: > Commit 9ce274630495 ("cpufreq: tegra20: Use generic cpufreq-dt driver > (Tegra30 supported now)") update the Tegra20 CPUFREQ driver to use the > generic CPUFREQ device-tree driver. Since this change CPUFREQ support > on the Tegra20 Ventana platform has been broken because the necessary > device-tree nodes with the operating point information are not populated > for this platform. Fix this by updating device-tree for Venata to > include the operating point informration for Tegra20. > > Fixes: 9ce274630495 ("cpufreq: tegra20: Use generic cpufreq-dt driver (Tegra30 supported now)") > Cc: stable@vger.kernel.org > > Signed-off-by: Jon Hunter > --- > arch/arm/boot/dts/tegra20-ventana.dts | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts > index b158771ac0b7..055334ae3d28 100644 > --- a/arch/arm/boot/dts/tegra20-ventana.dts > +++ b/arch/arm/boot/dts/tegra20-ventana.dts > @@ -3,6 +3,7 @@ > > #include > #include "tegra20.dtsi" > +#include "tegra20-cpu-opp.dtsi" > > / { > model = "NVIDIA Tegra20 Ventana evaluation board"; > @@ -592,6 +593,16 @@ clk32k_in: clock@0 { > #clock-cells = <0>; > }; > > + cpus { > + cpu0: cpu@0 { I assume you're going to use this cpu0 handle later on. > + operating-points-v2 = <&cpu0_opp_table>; > + }; > + > + cpu@1 { > + operating-points-v2 = <&cpu0_opp_table>; > + }; > + }; > + > gpio-keys { > compatible = "gpio-keys"; > > Reviewed-by: Dmitry Osipenko