Re: [PATCH v2 5/5] arm64: dts: qcom: sc7280: Add herobrine-r1

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Hi,

On Thu, Jan 27, 2022 at 1:16 PM Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:
>
> ----8<-----
> diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c
> b/drivers/cpufreq/cpufreq-dt-platdev.c
> index ca1d103ec449..32bfe453f8b4 100644
> --- a/drivers/cpufreq/cpufreq-dt-platdev.c
> +++ b/drivers/cpufreq/cpufreq-dt-platdev.c
> @@ -179,25 +179,29 @@ static bool __init cpu0_node_has_opp_v2_prop(void)
>  static int __init cpufreq_dt_platdev_init(void)
>  {
>         struct device_node *np = of_find_node_by_path("/");
> +       struct device_node *soc_np = of_find_node_by_path("/soc");

Seems that some device trees have "/soc" and others "/soc@0". For at
least a little context, see commit a1875bf98290 ("arm64: dts: qcom:
sdm845: Add unit name to soc node"). Since (presumably) this would
only be for newer SoCs then I guess you should search for "/soc@0"?
...and then if we ever have a SoC that's not @0 then we would have to
iterate through all SoCs

-Doug



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