linux-kernel - Re: [2.6 patch] drivers/pci/msi.c: move arch hooks to the top

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Message-Id: <1197413050.7276.1.camel@concordia>
Date:	Wed, 12 Dec 2007 09:44:10 +1100
From:	Michael Ellerman <michael@...erman.id.au>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz
Subject: Re: [2.6 patch] drivers/pci/msi.c: move arch hooks to the top

On Tue, 2007-12-11 at 23:19 +0100, Adrian Bunk wrote:
> This patch fixes the following problem present with older gcc versions:
> 
> <--  snip  -->
> 
> ...
>   CC      drivers/pci/msi.o
> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:692: warning: weak declaration of `arch_msi_check_device' after first use results in unspecified behavior
> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:704: warning: weak declaration of `arch_setup_msi_irqs' after first use results in unspecified behavior
> /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:724: warning: weak declaration of `arch_teardown_msi_irqs' after first use results in unspecified behavior
> ...
> 
> <--  snip  -->

They're declared in <linux/msi.h>, I don't see what it's problem is.

cheers

-- 
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person

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