linux-kernel - linux-next: build warning after merge of the i2c tree

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Message-Id: <20100217113855.7ebf3d39.sfr@canb.auug.org.au>
Date:	Wed, 17 Feb 2010 11:38:55 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Jean Delvare <khali@...ux-fr.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: linux-next: build warning after merge of the i2c tree

Hi Jean,

After merging the i2c tree, today's linux-next build (powerpc
ppc64_defconfig) produced warnings like this:

In file included from include/linux/bitops.h:17,
                 from include/linux/kernel.h:15,
                 from drivers/i2c/i2c-boardinfo.c:19:
arch/powerpc/include/asm/bitops.h:226: warning: declaration of 'ffs' shadows a built-in function

The x86_64 allmodconfig produces similar:

In file included from include/linux/bitops.h:17,
                 from include/linux/kernel.h:15,
                 from next/drivers/i2c/i2c-boardinfo.c:19:
arch/x86/include/asm/bitops.h:395: warning: declaration of 'ffs' shadows a built-in function

Exposed by commit fa4f62e9f3a85490aebe8857e2208c37da851ce3 ("i2c: Build
core and algo drivers with -Wshadow").

Jean, I realise that these warnings are not something your tree has
added, just that you have exposed them.  They are a bit annoying,
though.  I am using gcc v4.4.3.

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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