linux-kernel - Re: [PATCH v2] mfd: wm8994: silence bogus warning in wm8994_device

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Date:	Mon, 8 Apr 2013 11:57:54 +0200
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Jingoo Han <jg1.han@...sung.com>
Cc:	'Mark Brown' <broonie@...nsource.wolfsonmicro.com>,
	patches@...nsource.wolfsonmicro.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] mfd: wm8994: silence bogus warning in
 wm8994_device_init()

Hi Jingoo,

On Wed, Feb 20, 2013 at 11:53:36AM +0900, Jingoo Han wrote:
> 'patch_regs' cannot be used uninitialized in wm8994_device_init(),
> because 'patch_regs' was already guarded by 'regmap_patch'.
> Thus, that's a bogus warning.
> 
> Without this patch, the build warning happens as below:
> 
> drivers/mfd/wm8994-core.c: In function 'wm8994_i2c_probe':
> drivers/mfd/wm8994-core.c:595:7: warning: 'patch_regs' may be used uninitialized in this function [-Wuninitialized]
> drivers/mfd/wm8994-core.c:408:14: note: 'patch_regs' was declared here
> 
> Signed-off-by: Jingoo Han <jg1.han@...sung.com>
> ---
>  drivers/mfd/wm8994-core.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
Applied, thanks.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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