[PATCH v3 2/8] ACPI / irqchip: Add self-probe infrastructure to initialize IRQ controller

[Timur Tabi]

On Fri, Jul 10, 2015 at 5:45 AM, Hanjun Guo <hanjun.guo at linaro.org> wrote:

> +void __init acpi_irqchip_init(void)
> +{
> +       struct acpi_table_id *id;
> +
> +       if (acpi_disabled)
> +               return;
> +
> +       if (acpi_gic_version_init())
> +               return;
> +
> +       /* scan the irqchip table to match the GIC version and its driver */
> +       for (id = __irqchip_acpi_table; id->id[0]; id++) {
> +               if (gic_version == (u8)id->driver_data)
> +                       acpi_table_parse(id->id,
> +                                        (acpi_tbl_table_handler)id->handler);
> +       }

Should we display an error message if we don't find a matching table?
That can happen if the ACPI tables shows a GIC version number that is
not listed in __irqchip_acpi_table[]?