Re: [PATCH] drm/sti: mark symbols static where possible

[Benjamin Gaignard]

Acked-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>

2016-09-07 13:05 GMT+02:00 Baoyou Xie <baoyou.xie@xxxxxxxxxx>:
> We get 2 warnings when building kernel with W=1:
> drivers/gpu/drm/sti/sti_mixer.c:361:6: warning: no previous prototype for 'sti_mixer_set_matrix' [-Wmissing-prototypes]
> drivers/gpu/drm/sti/sti_dvo.c:109:5: warning: no previous prototype for 'dvo_awg_generate_code' [-Wmissing-prototypes]
>
> In fact, these functions are only used in the file in which they are
> declared and don't need a declaration, but can be made static.
> So this patch marks these functions with 'static'.
>
> Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/sti/sti_dvo.c   | 3 ++-
>  drivers/gpu/drm/sti/sti_mixer.c | 2 +-
>  2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c
> index 00881eb..4545ad0 100644
> --- a/drivers/gpu/drm/sti/sti_dvo.c
> +++ b/drivers/gpu/drm/sti/sti_dvo.c
> @@ -106,7 +106,8 @@ struct sti_dvo_connector {
>         container_of(x, struct sti_dvo_connector, drm_connector)
>
>  #define BLANKING_LEVEL 16
> -int dvo_awg_generate_code(struct sti_dvo *dvo, u8 *ram_size, u32 *ram_code)
> +static int
> +dvo_awg_generate_code(struct sti_dvo *dvo, u8 *ram_size, u32 *ram_code)
>  {
>         struct drm_display_mode *mode = &dvo->mode;
>         struct dvo_config *config = dvo->config;
> diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c
> index 7d9aea8..b78cec5 100644
> --- a/drivers/gpu/drm/sti/sti_mixer.c
> +++ b/drivers/gpu/drm/sti/sti_mixer.c
> @@ -358,7 +358,7 @@ int sti_mixer_set_plane_status(struct sti_mixer *mixer,
>         return 0;
>  }
>
> -void sti_mixer_set_matrix(struct sti_mixer *mixer)
> +static void sti_mixer_set_matrix(struct sti_mixer *mixer)
>  {
>         unsigned int i;
>
> --
> 2.7.4
>



-- 
Benjamin Gaignard

Graphic Study Group

Linaro.org â Open source software for ARM SoCs

Follow Linaro: Facebook | Twitter | Blog