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SubjectRe: [PATCH] ARM: tegra: Populate OPP table for Tegra20 Ventana
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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 <jonathanh@nvidia.com>
> ---
> 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@gmail.com>

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