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Groups > linux.kernel > #1706388

[PATCH 2/3] drm/sun4i: make drm_connector_funcs structures const

From Bhumika Goyal <bhumirks@gmail.com>
Newsgroups linux.kernel
Subject [PATCH 2/3] drm/sun4i: make drm_connector_funcs structures const
Date 2017-08-08 13:30 +0200
Message-ID <ucaRZ-7FO-51@gated-at.bofh.it> (permalink)
References <ucaRY-7FO-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Make these const as they are only passed to the function
drm_connector_init and the corresponding argument is of type const.
Done using Coccinelle

@match disable optional_qualifier@
identifier s;
@@
static struct drm_connector_funcs s = {...};

@ref@
position p;
identifier match.s;
@@
s@p

@good1@
identifier match.s;
expression e1,e2;
position ref.p;
@@
drm_connector_init(e1,e2,&s@p,...)

@bad depends on  !good1@
position ref.p;
identifier match.s;
@@
s@p

@depends on forall !bad disable optional_qualifier@
identifier match.s;
@@
static
+ const
struct drm_connector_funcs s;

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
---
 drivers/gpu/drm/sun4i/sun4i_rgb.c | 2 +-
 drivers/gpu/drm/sun4i/sun4i_tv.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index 76362c0..4a456de 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c
@@ -119,7 +119,7 @@ static int sun4i_rgb_mode_valid(struct drm_connector *connector,
 	drm_connector_cleanup(connector);
 }
 
-static struct drm_connector_funcs sun4i_rgb_con_funcs = {
+static const struct drm_connector_funcs sun4i_rgb_con_funcs = {
 	.dpms			= drm_atomic_helper_connector_dpms,
 	.fill_modes		= drm_helper_probe_single_connector_modes,
 	.destroy		= sun4i_rgb_connector_destroy,
diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c
index 73bfe7b..d246794 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
@@ -537,7 +537,7 @@ static int sun4i_tv_comp_mode_valid(struct drm_connector *connector,
 	drm_connector_cleanup(connector);
 }
 
-static struct drm_connector_funcs sun4i_tv_comp_connector_funcs = {
+static const struct drm_connector_funcs sun4i_tv_comp_connector_funcs = {
 	.dpms			= drm_atomic_helper_connector_dpms,
 	.fill_modes		= drm_helper_probe_single_connector_modes,
 	.destroy		= sun4i_tv_comp_connector_destroy,
-- 
1.9.1

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Thread

[PATCH 0/3] drm: make drm_connector_funcs structures const Bhumika Goyal <bhumirks@gmail.com> - 2017-08-08 13:30 +0200
  [PATCH 1/3] drm/bridge: make drm_connector_funcs structures const Bhumika Goyal <bhumirks@gmail.com> - 2017-08-08 13:30 +0200
    Re: [PATCH 1/3] drm/bridge: make drm_connector_funcs structures const Laurent Pinchart <laurent.pinchart@ideasonboard.com> - 2017-08-08 14:10 +0200
  [PATCH 2/3] drm/sun4i: make drm_connector_funcs structures const Bhumika Goyal <bhumirks@gmail.com> - 2017-08-08 13:30 +0200
  [PATCH 3/3] drm/rockchip: make drm_connector_funcs structures const Bhumika Goyal <bhumirks@gmail.com> - 2017-08-08 13:30 +0200
  Re: [PATCH 0/3] drm: make drm_connector_funcs structures const Archit Taneja <architt@codeaurora.org> - 2017-08-09 12:40 +0200
    Re: [PATCH 0/3] drm: make drm_connector_funcs structures const Daniel Vetter <daniel@ffwll.ch> - 2017-08-09 18:40 +0200
      Re: [PATCH 0/3] drm: make drm_connector_funcs structures const Bhumika Goyal <bhumirks@gmail.com> - 2017-08-10 08:30 +0200

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