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Date: Thu, 21 Jul 2011 16:47:48 +0100
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Shawn Guo <shawn.guo@freescale.com>
Cc: ashishj3 <ashish.jangam@kpitcummins.com>, arnd@arndb.de,
        Dajun <dajun.chen@diasemi.com>, sameo@openedhand.com,
        linaro-dev@lists.linaro.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/11] MFD: DA9052 MFD core module v2
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 <20110721154631.GA26837@S2100-06.ap.freescale.net>
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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.