1 files changed, 20 insertions, 11 deletions

diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index f2e13eb8339f..5030cba4a581 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -997,7 +997,7 @@ struct ipu_platform_reg {
 };
 
 /* These must be in the order of the corresponding device tree port nodes */
-static const struct ipu_platform_reg client_reg[] = {
+static struct ipu_platform_reg client_reg[] = {
 	{
 		.pdata = {
 			.csi = 0,
@@ -1048,8 +1048,19 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
 	mutex_unlock(&ipu_client_id_mutex);
 
 	for (i = 0; i < ARRAY_SIZE(client_reg); i++) {
-		const struct ipu_platform_reg *reg = &client_reg[i];
+		struct ipu_platform_reg *reg = &client_reg[i];
 		struct platform_device *pdev;
+		struct device_node *of_node;
+
+		/* Associate subdevice with the corresponding port node */
+		of_node = of_graph_get_port_by_id(dev->of_node, i);
+		if (!of_node) {
+			dev_info(dev,
+				 "no port@%d node in %s, not using %s%d\n",
+				 i, dev->of_node->full_name,
+				 (i / 2) ? "DI" : "CSI", i % 2);
+			continue;
+		}
 
 		pdev = platform_device_alloc(reg->name, id++);
 		if (!pdev) {
@@ -1059,15 +1070,7 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
 
 		pdev->dev.parent = dev;
 
-		/* Associate subdevice with the corresponding port node */
-		pdev->dev.of_node = of_graph_get_port_by_id(dev->of_node, i);
-		if (!pdev->dev.of_node) {
-			dev_err(dev, "missing port@%d node in %s\n", i,
-				dev->of_node->full_name);
-			ret = -ENODEV;
-			goto err_register;
-		}
-
+		reg->pdata.of_node = of_node;
 		ret = platform_device_add_data(pdev, &reg->pdata,
 					       sizeof(reg->pdata));
 		if (!ret)
@@ -1076,6 +1079,12 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
 			platform_device_put(pdev);
 			goto err_register;
 		}
+
+		/*
+		 * Set of_node only after calling platform_device_add. Otherwise
+		 * the platform:imx-ipuv3-crtc modalias won't be used.
+		 */
+		pdev->dev.of_node = of_node;
 	}
 
 	return 0;