drm/exynos: rename bridge_node to in_bridge_node

Driver uses bridge_node to refer to bridge on input side of DSI.
Since we want to add support for bridges on output side lets add
"in" prefix to avoid confusion with out bridges.

Changes in v5:
- replace mic_ prefix with in_
Signed-off-by: Maciej Purski <m.purski@samsung.com>
[ a.hajda@samsuung.com: v5 ]
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos_drm_dsi.c

@@ -279,7 +279,7 @@ struct exynos_dsi {
 	struct list_head transfer_list;
 
 	const struct exynos_dsi_driver_data *driver_data;
-	struct device_node *bridge_node;
+	struct device_node *in_bridge_node;
 };
 
 #define host_to_dsi(host) container_of(host, struct exynos_dsi, dsi_host)
@@ -1634,7 +1634,7 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
 	if (ret < 0)
 		return ret;
 
-	dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
+	dsi->in_bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
 
 	return 0;
 }
@@ -1645,7 +1645,7 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
 	struct drm_encoder *encoder = dev_get_drvdata(dev);
 	struct exynos_dsi *dsi = encoder_to_dsi(encoder);
 	struct drm_device *drm_dev = data;
-	struct drm_bridge *bridge;
+	struct drm_bridge *in_bridge;
 	int ret;
 
 	drm_encoder_init(drm_dev, encoder, &exynos_dsi_encoder_funcs,
@@ -1664,10 +1664,10 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
-	if (dsi->bridge_node) {
-		bridge = of_drm_find_bridge(dsi->bridge_node);
-		if (bridge)
-			drm_bridge_attach(encoder, bridge, NULL);
+	if (dsi->in_bridge_node) {
+		in_bridge = of_drm_find_bridge(dsi->in_bridge_node);
+		if (in_bridge)
+			drm_bridge_attach(encoder, in_bridge, NULL);
 	}
 
 	return mipi_dsi_host_register(&dsi->dsi_host);
@@ -1786,7 +1786,7 @@ static int exynos_dsi_remove(struct platform_device *pdev)
 {
 	struct exynos_dsi *dsi = platform_get_drvdata(pdev);
 
-	of_node_put(dsi->bridge_node);
+	of_node_put(dsi->in_bridge_node);
 
 	pm_runtime_disable(&pdev->dev);