> The here introduced irq_host abstraction represents a generic irq_host.
quoted text
> The xlate callback is resposible to parse irq informations like irq type
> and number and returns the hardware irq number which is reported by the
> hardware as active.

quoted text
> [...]

quoted text
> diff --git a/arch/x86/include/asm/irq_controller.h b/arch/x86/include/asm/irq
> _controller.h
> new file mode 100644
> index 0000000..1cbbfd0
> --- /dev/null
> +++ b/arch/x86/include/asm/irq_controller.h
> @@ -0,0 +1,12 @@
> +#ifndef __IRQ_CONTROLLER__
> +#define __IRQ_CONTROLLER__
> +
> +struct irq_host {
> +	int (*xlate)(struct irq_host *h, const u32 *intspec, u32 intsize,
> +			u32 *out_hwirq, u32 *out_type);
> +	void *priv;
> +	struct device_node *controller;
> +	struct list_head l;
> +};

I thought there was an intent and desire to rename the irq_host
as irq_domain.

jdl
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