One more thing:

> @@ -883,7 +894,11 @@ static inline const struct cci_pmu_model 
> *get_cci_model(struct platform_device *
>                                                       pdev->dev.of_node);
>       if (!match)
>               return NULL;
> +     if (match->data)
> +             return match->data;
>  
> +     dev_warn(&pdev->dev, "DEPRECATED compatible property,"
> +                      "requires secure access to CCI registers");
>       return probe_cci_model(pdev);
>  }

Before the probe, could we please have:

        if (!IS_ENABLED(CONFIG_ARM))
                return -EINVAL;

On arm64 we require a model-specific string, and we shouldn't go
touching secure-only registers.

Mark.

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