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Date: Wed, 21 May 2014 15:04:12 +0800 (CST)
From: =?utf-8?B?566h6Zuq5rab?= <gxt@pku.edu.cn>
To: sunzc522@gmail.com
Cc: linux-kernel@vger.kernel.org, gxt@mprc.pku.edu.cn,
        gang chen 5i5j <gang.chen.5i5j@gmail.com>,
        Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
        Tomi Valkeinen <tomi.valkeinen@ti.com>,
        Jingoo Han <jg1.han@samsung.com>,
        Daniel Vetter <daniel.vetter@ffwll.ch>, Joe Perches <joe@perches.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        linux-fbdev@vger.kernel.org
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Thanks.

Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>

----- sunzc522@gmail.com 写道：
> From: Zhichuang SUN <sunzc522@gmail.com>
> 
> 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 <sunzc522@gmail.com>
> Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
> Cc: Jingoo Han <jg1.han@samsung.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> 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
>