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@xxxxxxxxxxxxxxx > > Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx> > --- > 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 <dt-bindings/input/input.h> > #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 <digetx@xxxxxxxxx>