linux-kernel - Re: [PATCH 1/8] of/irq: Create stub for of_irq_find_parent when !CONFIG

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Message-ID: <CACRpkdb2MKgaoknHcWjrQqXPr6dXRsPjDxCwzNvGahJ48wMzdA@mail.gmail.com>
Date:	Tue, 14 Aug 2012 10:17:08 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	STEricsson_nomadik_linux@...t.st.com, linus.walleij@...ricsson.com,
	arnd@...db.de, broonie@...nsource.wolfsonmicro.com,
	Rob Herring <rob.herring@...xeda.com>,
	devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH 1/8] of/irq: Create stub for of_irq_find_parent when !CONFIG_OF

On Thu, Aug 9, 2012 at 5:53 PM, Lee Jones <lee.jones@...aro.org> wrote:

> of_irq_find_parent is a handy function to use outside the confines of
> the Open Firmware subsystem. One such use-case is when the IRQ Domain
> wishes to find an IRQ domain for a given device node. Currently it can
> not take any notice of the 'interrupt-parent' property. Instead it
> just uses the first IRQ controller as it climbs the Device Tree. If
> we were to use this as a precursor the resultant controller is more
> likely to be correct.
>
> CC: Rob Herring <rob.herring@...xeda.com>
> CC: devicetree-discuss@...ts.ozlabs.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

This is clever.

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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