From: Zhichuang SUN <redacted>

Function unifb_mmap calls functions which are defined in linux/mm.h
and asm/pgtable.h

The related error (for unicore32 with unicore32_defconfig):
	CC      drivers/video/fbdev/fb-puv3.o
	drivers/video/fbdev/fb-puv3.c: In function 'unifb_mmap':
	drivers/video/fbdev/fb-puv3.c:646: error: implicit declaration of
				      function 'vm_iomap_memory'
	drivers/video/fbdev/fb-puv3.c:646: error: implicit declaration of
				      function 'pgprot_noncached'

Signed-off-by: Zhichuang Sun <redacted>
Cc: Jean-Christophe Plagniol-Villard <redacted>
Cc: Tomi Valkeinen <redacted>
Cc: Jingoo Han <redacted>
Cc: Daniel Vetter <redacted>
Cc: Joe Perches <joe@perches.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-fbdev@vger.kernel.org
---
 drivers/video/fbdev/fb-puv3.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/video/fbdev/fb-puv3.c b/drivers/video/fbdev/fb-puv3.c
index 6db9ebd..88fa2e7 100644
--- a/drivers/video/fbdev/fb-puv3.c
+++ b/drivers/video/fbdev/fb-puv3.c

@@ -18,8 +18,10 @@
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/console.h>
+#include <linux/mm.h>
 
 #include <asm/sizes.h>
+#include <asm/pgtable.h>
 #include <mach/hardware.h>
 
 /* Platform_data reserved for unifb registers. */

-- 
1.7.0.4