From: Chris Zankel <chris@zankel.net>
Date: Wed, 24 Oct 2012 03:17:05 +0000 (-0700)
Subject: xtensa: allow multi-inclusion for uapi/unistd.h
X-Git-Tag: v3.7-rc4~13^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f72d4f6a29cf84c40fc05c76020b347b4774393;p=pandora-kernel.git

xtensa: allow multi-inclusion for uapi/unistd.h

Xtensa implements a method that allows to generate a arbitrary output
for each system call by defining the __SYSCALL(number, function, num_args).
This usually requires to include uapi/unistd.h twice. Instead of removing
the guard agains multiple inclusion entirely, allow to include unistd.h again
only if __SYSCALL is defined. Note that __SYSCALL gets always undefined at
the end of the file.

Signed-off-by: Chris Zankel <chris@zankel.net>
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