From 929f2b69bebd860e389cc24e1f00183f53a79197 Mon Sep 17 00:00:00 2001 From: Jai Luthra Date: Mon, 11 Aug 2025 13:50:14 +0530 Subject: [PATCH] media: ti: j721e-csi2rx: Use fwnode_get_named_child_node Simplify notifier registration logic. Instead of first getting the device node, get the fwnode of the child directly. Reviewed-by: Devarsh Thakkar Tested-by: Yemike Abhilash Chandra (on SK-AM68) Signed-off-by: Jai Luthra Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil --- .../platform/ti/j721e-csi2rx/j721e-csi2rx.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c b/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c index aa5db8f25c4a3..cad873b48c208 100644 --- a/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c +++ b/drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include @@ -450,25 +451,23 @@ static int ti_csi2rx_notifier_register(struct ti_csi2rx_dev *csi) { struct fwnode_handle *fwnode; struct v4l2_async_connection *asc; - struct device_node *node; int ret; - node = of_get_child_by_name(csi->dev->of_node, "csi-bridge"); - if (!node) + fwnode = fwnode_get_named_child_node(csi->dev->fwnode, "csi-bridge"); + if (!fwnode) return -EINVAL; - fwnode = of_fwnode_handle(node); - if (!fwnode) { - of_node_put(node); - return -EINVAL; - } - v4l2_async_nf_init(&csi->notifier, &csi->v4l2_dev); csi->notifier.ops = &csi_async_notifier_ops; asc = v4l2_async_nf_add_fwnode(&csi->notifier, fwnode, struct v4l2_async_connection); - of_node_put(node); + /* + * Calling v4l2_async_nf_add_fwnode grabs a refcount, + * so drop the one we got in fwnode_get_named_child_node + */ + fwnode_handle_put(fwnode); + if (IS_ERR(asc)) { v4l2_async_nf_cleanup(&csi->notifier); return PTR_ERR(asc); -- 2.47.3