[PATCH Resend] of: fix a build error to f_graph_get_endpoint_by_regs function

[Rob Herring]

On Tue, Jun 23, 2015 at 2:06 AM, Inki Dae <inki.dae at samsung.com> wrote:
> This patch fixes the below build error reported by Stephen,
>
>      Stephen reported:
>      After merging the drm-exynos tree, today's linux-next build (x86_64
>      allmodconfig) failed like this:
>
>      drivers/media/i2c/adv7604.o: In function `of_graph_get_endpoint_by_regs':
>      adv7604.c:(.text+0x586c): multiple definition of `of_graph_get_endpoint_by_regs'
>      drivers/media/i2c/adv7343.o:adv7343.c:(.text+0xa13): first defined here
>      drivers/media/platform/soc_camera/atmel-isi.o: In function `of_graph_get_endpoint_by_regs':
>      atmel-isi.c:(.text+0x1ec9): multiple definition of `of_graph_get_endpoint_by_regs'
>      drivers/media/platform/soc_camera/soc_camera.o:soc_camera.c:(.text+0x2ce3): first defined here
>      drivers/media/platform/soc_camera/rcar_vin.o: In function `of_graph_get_endpoint_by_regs':
>      rcar_vin.c:(.text+0x307c): multiple definition of `of_graph_get_endpoint_by_regs'
>      drivers/media/platform/soc_camera/soc_camera.o:soc_camera.c:(.text+0x2ce3): first defined here
>
>      Caused by commit:
>        a0f7001c18ca ("of: add helper for getting endpoint node of specific identifiers")
>
> To fix the error, this patch declares of_graph_get_endpoint_by_regs function
> with "static inline".
>
> Signed-off-by: Inki Dae <inki.dae at samsung.com>

Acked-by: Rob Herring <robh at kernel.org>

> ---
>  include/linux/of_graph.h |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h
> index 1c1d5b9..f8bcd0e 100644
> --- a/include/linux/of_graph.h
> +++ b/include/linux/of_graph.h
> @@ -71,7 +71,7 @@ static inline struct device_node *of_graph_get_next_endpoint(
>         return NULL;
>  }
>
> -struct device_node *of_graph_get_endpoint_by_regs(
> +static inline struct device_node *of_graph_get_endpoint_by_regs(
>                 const struct device_node *parent, int port_reg, int reg)
>  {
>         return NULL;
> --
> 1.7.9.5
>