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@xxxxxxxxxx>
---
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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