On Fri, Apr 06, 2018 at 04:28:22PM +0200, Arnd Bergmann wrote:
> We already have memcpy_toio(), but not memset_io(), so let's
> add the obvious version to allow building an allmodconfig kernel
> without errors like
>
> drivers/gpu/drm/ttm/ttm_bo_util.c: In function 'ttm_bo_move_memcpy':
> drivers/gpu/drm/ttm/ttm_bo_util.c:390:3: error: implicit declaration of
> function 'memset_io' [-Werror=implicit-function-declaration]
>
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
> ---
> arch/hexagon/include/asm/io.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h
> index 9e8621d94ee9..e17262ad125e 100644
> --- a/arch/hexagon/include/asm/io.h
> +++ b/arch/hexagon/include/asm/io.h
> @@ -216,6 +216,12 @@ static inline void memcpy_toio(volatile void __iomem
> *dst, const void *src,
> memcpy((void *) dst, src, count);
> }
>
> +static inline void memset_io(volatile void __iomem *addr, int value,
> + size_t size)
> +{
> + memset((void __force *)addr, value, size);
> +}
> +
> #define PCI_IO_ADDR (volatile void __iomem *)
>
> /*
Acked-by: Richard Kuo <r...@codeaurora.org>
--
Employee of Qualcomm Innovation Center, Inc.
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