linux-kernel - Re: [PATCH 1/2] ARM: irq: Call irqchit_init if no init

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Message-Id: <201303281549.49990.arnd@arndb.de>
Date:	Thu, 28 Mar 2013 15:49:49 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	"Russell King - ARM Linux" <linux@....linux.org.uk>
Cc:	Rob Herring <robherring2@...il.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Olof Johansson <olof@...om.net>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] ARM: irq: Call irqchit_init if no init_irq function is specified

On Thursday 28 March 2013, Russell King - ARM Linux wrote:
> On Thu, Mar 28, 2013 at 03:25:42PM +0000, Arnd Bergmann wrote:
> >       if (IS_DEFINED(CONFIG_OF) && !machine_desc->init_irq)
> >               irqchip_init();
> >       else
> >               machine_desc->init_irq();
> > 
> > to the same effect.
> 
> Provided irqchip_init() keeps its prototype visible, then yes.

Yes, I checked that before my reply. We have a few function declarations
that are unfortunately completely hidden when some config symbol is not
defined, but this is not one of them.

	Arnd
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