[PATCH 06/13] drm/sun4i: tcon: Drop TCON TOP device reference

[Jernej Skrabec]

of_find_device_by_node() takes a device reference. Drop it after mux
configuration succeeds.

Fixes: 0305189afb32 ("drm/sun4i: tcon: Add support for R40 TCON")
Signed-off-by: Jernej Skrabec <jernej.skra...@gmail.com>
---
 drivers/gpu/drm/sun4i/sun4i_tcon.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c 
b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index ea7c90fef316..de2d66623f7a 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -1409,7 +1409,7 @@ static int sun8i_r40_tcon_tv_set_mux(struct sun4i_tcon 
*tcon,
 {
        struct device_node *port, *remote;
        struct platform_device *pdev;
-       int id, ret;
+       int id, ret = 0;
 
        /* find TCON TOP platform device and TCON id */
 
@@ -1432,21 +1432,20 @@ static int sun8i_r40_tcon_tv_set_mux(struct sun4i_tcon 
*tcon,
        if (IS_ENABLED(CONFIG_DRM_SUN8I_TCON_TOP) &&
            encoder->encoder_type == DRM_MODE_ENCODER_TMDS) {
                ret = sun8i_tcon_top_set_hdmi_src(&pdev->dev, id);
-               if (ret) {
-                       put_device(&pdev->dev);
-                       return ret;
-               }
+               if (ret)
+                       goto out_put_device;
        }
 
        if (IS_ENABLED(CONFIG_DRM_SUN8I_TCON_TOP)) {
                ret = sun8i_tcon_top_de_config(&pdev->dev, tcon->id, id);
-               if (ret) {
-                       put_device(&pdev->dev);
-                       return ret;
-               }
+               if (ret)
+                       goto out_put_device;
        }
 
-       return 0;
+out_put_device:
+       put_device(&pdev->dev);
+
+       return ret;
 }
 
 static const struct sun4i_tcon_quirks sun4i_a10_quirks = {
-- 
2.43.0