From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Carpenter <dan.carpenter@oracle.com>
Subject: Re: [PATCH 1/2] input: cyapa: fix sparse warning issue of incorrect
 type in assiggment
Date: Thu, 22 Jan 2015 12:54:53 +0300
Message-ID: <20150122095453.GL6507@mwanda>
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To: Jeremiah Mahler <jmmahler@gmail.com>, Dudley Du <dudl@cypress.com>, dmitry.torokhov@gmail.com, rydberg@euromail.se, bleung@google.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org

On Thu, Jan 22, 2015 at 01:31:29AM -0800, Jeremiah Mahler wrote:
> I wasn't able to reproduce the sparse warning.  Was it for a specific
> architecture?  Perhaps include a link to the email sent by the kbuild
> test robot.

You need to add a "CF=-D__CHECK_ENDIAN__" to turn these on.

make C=2 CF=-D__CHECK_ENDIAN__

http://lwn.net/Articles/205624/

regards,
dan carpenter