Re: [PATCH v2 4/6] drm: convert drivers to use of_graph_get_remote_node

diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
index a0def0be6d65..93ebb12133e1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c

@@ -228,29 +228,6 @@ static void mic_set_reg_on(struct exynos_mic *mic, bool enable)
  	writel(reg, mic->reg + MIC_OP);
  }

-static struct device_node *get_remote_node(struct device_node *from, int reg)
-{
-	struct device_node *endpoint = NULL, *remote_node = NULL;
-
-	endpoint = of_graph_get_endpoint_by_regs(from, reg, -1);
-	if (!endpoint) {
-		DRM_ERROR("mic: Failed to find remote port from %s",
-				from->full_name);
-		goto exit;
-	}
-
-	remote_node = of_graph_get_remote_port_parent(endpoint);
-	if (!remote_node) {
-		DRM_ERROR("mic: Failed to find remote port parent from %s",
-							from->full_name);
-		goto exit;
-	}
-
-exit:
-	of_node_put(endpoint);
-	return remote_node;
-}
-
  static int parse_dt(struct exynos_mic *mic)
  {
  	int ret = 0, i, j;

@@ -262,7 +239,7 @@ static int parse_dt(struct exynos_mic *mic)
  	 * The first node must be for decon and the second one must be for dsi.
  	 */
  	for (i = 0, j = 0; i < NUM_ENDPOINTS; i++) {
-		remote_node = get_remote_node(mic->dev->of_node, i);
+		remote_node = of_graph_get_remote_node(mic->dev->of_node, i, 0);
  		if (!remote_node) {
  			ret = -EPIPE;
  			goto exit;

@@ -279,7 +256,7 @@ static int parse_dt(struct exynos_mic *mic)
  			break;
  		case ENDPOINT_DSI_NODE:

  			/* panel node */
-			remote_node = get_remote_node(remote_node, 1);
+			remote_node = of_graph_get_remote_node(remote_node, 1, 0);
  			if (!remote_node) {
  				ret = -EPIPE;
  				goto exit;

diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
index ebd5f4fe4c23..18d6570e057d 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c

@@ -247,34 +247,6 @@ static const struct component_master_ops kirin_drm_ops = {
  	.unbind = kirin_drm_unbind,
  };