Re: [PATCH] arch: avr32: include: asm: add generic ioremap_wc() definition in "io.h"

[Hans-Christian Egtvedt]

Around Sun 16 Feb 2014 19:39:30 +0800 or thereabout, Chen Gang wrote:
> Need generic ioremap_wc(), or can not pass compiling with allmodconfig,
> the related error:
> 
>     CC [M]  drivers/gpu/drm/drm_bufs.o
>   drivers/gpu/drm/drm_bufs.c: In function 'drm_addmap_core':
>   drivers/gpu/drm/drm_bufs.c:217: error: implicit declaration of function 'ioremap_wc'
>   drivers/gpu/drm/drm_bufs.c:218: warning: assignment makes pointer from integer without a cast

I guess this patch needs to go in before pulling in vga.h.

> 
> Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>

Acked-by: Hans-Christian Egtvedt <egtvedt@xxxxxxxxxxxx>

> ---
>  arch/avr32/include/asm/io.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/avr32/include/asm/io.h b/arch/avr32/include/asm/io.h
> index fc6483f..4f5ec2b 100644
> --- a/arch/avr32/include/asm/io.h
> +++ b/arch/avr32/include/asm/io.h
> @@ -295,6 +295,8 @@ extern void __iounmap(void __iomem *addr);
>  #define iounmap(addr)				\
>  	__iounmap(addr)
>  
> +#define ioremap_wc ioremap_nocache
> +
>  #define cached(addr) P1SEGADDR(addr)
>  #define uncached(addr) P2SEGADDR(addr)
>  
-- 
mvh
Hans-Christian Egtvedt
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