linux-kernel - Re: [PATCH 01/11] MFD: DA9052 MFD core module v2

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Message-ID: <20110721154748.GB23192@opensource.wolfsonmicro.com>
Date:	Thu, 21 Jul 2011 16:47:48 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Shawn Guo <shawn.guo@...escale.com>
Cc:	ashishj3 <ashish.jangam@...tcummins.com>, arnd@...db.de,
	Dajun <dajun.chen@...semi.com>, sameo@...nedhand.com,
	linaro-dev@...ts.linaro.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/11] MFD: DA9052 MFD core module v2

On Thu, Jul 21, 2011 at 11:46:32PM +0800, Shawn Guo wrote:
> On Tue, Jul 05, 2011 at 08:07:00PM +0530, ashishj3 wrote:

> > +	mutex_lock_interruptible(&da9052->io_lock);

> Compile warning as below.

> "warning: ignoring return value of ‘mutex_lock_interruptible’,
> declared with attribute warn_unused_result"

Although the bigger problem is why are these interruptible?  That's
very unusual.
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