linux-kernel - [PATCH] gpu: drm: sti: sti_drm_crtc.c: Remove unused function

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Date:	Sat, 20 Dec 2014 18:17:30 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	David Airlie <airlied@...ux.ie>,
	Benjamin Gaignard <benjamin.gaignard@...aro.org>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Rob Clark <robdclark@...il.com>,
	Dave Airlie <airlied@...hat.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH] gpu: drm: sti: sti_drm_crtc.c:  Remove unused function

Remove the function sti_drm_crtc_is_main() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/gpu/drm/sti/sti_drm_crtc.c |   10 ----------
 drivers/gpu/drm/sti/sti_drm_crtc.h |    1 -
 2 files changed, 11 deletions(-)

diff --git a/drivers/gpu/drm/sti/sti_drm_crtc.c b/drivers/gpu/drm/sti/sti_drm_crtc.c
index d2ae0c0..be53e35 100644
--- a/drivers/gpu/drm/sti/sti_drm_crtc.c
+++ b/drivers/gpu/drm/sti/sti_drm_crtc.c
@@ -389,16 +389,6 @@ static struct drm_crtc_funcs sti_crtc_funcs = {
 	.set_property = sti_drm_crtc_set_property,
 };
 
-bool sti_drm_crtc_is_main(struct drm_crtc *crtc)
-{
-	struct sti_mixer *mixer = to_sti_mixer(crtc);
-
-	if (mixer->id == STI_MIXER_MAIN)
-		return true;
-
-	return false;
-}
-
 int sti_drm_crtc_init(struct drm_device *drm_dev, struct sti_mixer *mixer,
 		struct drm_plane *primary, struct drm_plane *cursor)
 {
diff --git a/drivers/gpu/drm/sti/sti_drm_crtc.h b/drivers/gpu/drm/sti/sti_drm_crtc.h
index caca8b1..ddae8fe 100644
--- a/drivers/gpu/drm/sti/sti_drm_crtc.h
+++ b/drivers/gpu/drm/sti/sti_drm_crtc.h
@@ -17,6 +17,5 @@ int sti_drm_crtc_enable_vblank(struct drm_device *dev, int crtc);
 void sti_drm_crtc_disable_vblank(struct drm_device *dev, int crtc);
 int sti_drm_crtc_vblank_cb(struct notifier_block *nb,
 		unsigned long event, void *data);
-bool sti_drm_crtc_is_main(struct drm_crtc *drm_crtc);
 
 #endif
-- 
1.7.10.4

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