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

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Date:	Mon, 21 Feb 2011 10:58:58 +0100
From:	Jean Delvare <khali@...ux-fr.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build warnings after merge of the i2c tree

Hi Stephen,

On Mon, 21 Feb 2011 15:35:22 +1100, Stephen Rothwell wrote:
> Hi Jean,
> 
> After merging the tip tree, today's linux-next build (powerpc
> ppc64_defconfig) produced these warnings:
> 
> drivers/i2c/i2c-core.c: In function 'i2c_do_add_adapter':
> drivers/i2c/i2c-core.c:799: warning: 'attach_adapter' is deprecated (declared at include/linux/i2c.h:149)
> drivers/i2c/i2c-core.c:804: warning: 'attach_adapter' is deprecated (declared at include/linux/i2c.h:149)
> drivers/i2c/i2c-core.c: In function 'i2c_do_del_adapter':
> drivers/i2c/i2c-core.c:985: warning: 'detach_adapter' is deprecated (declared at include/linux/i2c.h:150)
> drivers/i2c/i2c-core.c:988: warning: 'detach_adapter' is deprecated (declared at include/linux/i2c.h:150)
> 
> Introduced by commit 95529c656b97b08c7a92504f98650a229f03ae04 ("i2c:
> Deprecate i2c_driver.attach_adapter and .detach_adapter").  We normally
> fix up as many uses of an interface as possible before deprecating it ...

These are the core locations where the deprecated callbacks are called.
Ideally they would _not_ emit warnings, are these are legitimate and
can't be removed before all drivers relying on these callbacks have
been fixed. If there is a way to silent these warnings, please let me
know, as I don't know of any.

-- 
Jean Delvare
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