linux-kernel - Re: [PATCH 04/11] x86/dtb: add irq host abstraction

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Date:	Thu, 25 Nov 2010 13:30:27 -0600
From:	Jon Loeliger <jdl@....com>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
cc:	linux-kernel@...r.kernel.org, sodaville@...utronix.de,
	x86@...nel.org, devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH 04/11] x86/dtb: add irq host abstraction 

> The here introduced irq_host abstraction represents a generic irq_host.
> 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.

> [...]

> 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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