linux-kernel - [PATCH] drm/tilcdc: mark tilcdc_atomic

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Message-Id: <1474434876-9293-1-git-send-email-baoyou.xie@linaro.org>
Date:   Wed, 21 Sep 2016 13:14:36 +0800
From:   Baoyou Xie <baoyou.xie@...aro.org>
To:     jsarha@...com, tomi.valkeinen@...com, airlied@...ux.ie
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        arnd@...db.de, baoyou.xie@...aro.org, xie.baoyou@....com.cn
Subject: [PATCH] drm/tilcdc: mark tilcdc_atomic_check() static

We get 1 warning when building kernel with W=1:
drivers/gpu/drm/tilcdc/tilcdc_drv.c:64:5: warning: no previous prototype for 'tilcdc_atomic_check' [-Wmissing-prototypes]

In fact, this function is only used in the file in which it is
declared and don't need a declaration, but can be made static.
So this patch marks it 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
---
 drivers/gpu/drm/tilcdc/tilcdc_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 4405e4b..1d26bc9 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -61,7 +61,7 @@ static void tilcdc_fb_output_poll_changed(struct drm_device *dev)
 	drm_fbdev_cma_hotplug_event(priv->fbdev);
 }
 
-int tilcdc_atomic_check(struct drm_device *dev,
+static int tilcdc_atomic_check(struct drm_device *dev,
 			struct drm_atomic_state *state)
 {
 	int ret;
-- 
2.7.4