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[PATCH] drm/arm: mark symbols static where possible

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  [PATCH] drm/arm: mark symbols static where possible Baoyou Xie <baoyou.xie@linaro.org> - 2016-09-06 09:30 +0200
    Re: [PATCH] drm/arm: mark symbols static where possible liviu.dudau@arm.com - 2016-09-06 10:10 +0200

#1477116 — [PATCH] drm/arm: mark symbols static where possible

We get 2 warnings when building kernel with W=1:
drivers/gpu/drm/arm/malidp_planes.c:49:25: warning: no previous prototype for 'malidp_duplicate_plane_state' [-Wmissing-prototypes]
drivers/gpu/drm/arm/malidp_planes.c:66:6: warning: no previous prototype for 'malidp_destroy_plane_state' [-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@linaro.org>
---
 drivers/gpu/drm/arm/malidp_planes.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 725098d..5f8bece 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -46,7 +46,8 @@ static void malidp_de_plane_destroy(struct drm_plane *plane)
 	devm_kfree(plane->dev->dev, mp);
 }
 
-struct drm_plane_state *malidp_duplicate_plane_state(struct drm_plane *plane)
+static struct
+drm_plane_state *malidp_duplicate_plane_state(struct drm_plane *plane)
 {
 	struct malidp_plane_state *state, *m_state;
 
@@ -63,7 +64,7 @@ struct drm_plane_state *malidp_duplicate_plane_state(struct drm_plane *plane)
 	return &state->base;
 }
 
-void malidp_destroy_plane_state(struct drm_plane *plane,
+static void malidp_destroy_plane_state(struct drm_plane *plane,
 				struct drm_plane_state *state)
 {
 	struct malidp_plane_state *m_state = to_malidp_plane_state(state);
-- 
2.7.4

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#1477145

On Tue, Sep 06, 2016 at 03:23:28PM +0800, Baoyou Xie wrote:
> We get 2 warnings when building kernel with W=1:
> drivers/gpu/drm/arm/malidp_planes.c:49:25: warning: no previous prototype for 'malidp_duplicate_plane_state' [-Wmissing-prototypes]
> drivers/gpu/drm/arm/malidp_planes.c:66:6: warning: no previous prototype for 'malidp_destroy_plane_state' [-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@linaro.org>

Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>

> ---
>  drivers/gpu/drm/arm/malidp_planes.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
> index 725098d..5f8bece 100644
> --- a/drivers/gpu/drm/arm/malidp_planes.c
> +++ b/drivers/gpu/drm/arm/malidp_planes.c
> @@ -46,7 +46,8 @@ static void malidp_de_plane_destroy(struct drm_plane *plane)
>  	devm_kfree(plane->dev->dev, mp);
>  }
>  
> -struct drm_plane_state *malidp_duplicate_plane_state(struct drm_plane *plane)
> +static struct
> +drm_plane_state *malidp_duplicate_plane_state(struct drm_plane *plane)
>  {
>  	struct malidp_plane_state *state, *m_state;
>  
> @@ -63,7 +64,7 @@ struct drm_plane_state *malidp_duplicate_plane_state(struct drm_plane *plane)
>  	return &state->base;
>  }
>  
> -void malidp_destroy_plane_state(struct drm_plane *plane,
> +static void malidp_destroy_plane_state(struct drm_plane *plane,
>  				struct drm_plane_state *state)
>  {
>  	struct malidp_plane_state *m_state = to_malidp_plane_state(state);
> -- 
> 2.7.4
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯

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