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Message-ID: <20250721094435.GE4844@nxa18884-linux.ap.freescale.net>
Date: Mon, 21 Jul 2025 17:44:35 +0800
From: Peng Fan <peng.fan@....nxp.com>
To: Primoz Fiser <primoz.fiser@...ik.com>
Cc: Wei Fang <wei.fang@....com>, Shenwei Wang <shenwei.wang@....com>,
	Clark Wang <xiaoning.wang@....com>,
	Andrew Lunn <andrew+netdev@...n.ch>, davem@...emloft.net,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	imx@...ts.linux.dev, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, upstream@...ts.phytec.de
Subject: Re: [PATCH 1/2] net: fec: fec_probe(): Populate netdev of_node

On Thu, Jul 17, 2025 at 11:00:36AM +0200, Primoz Fiser wrote:
>Populate netdev of_node with pdev of_node so that the network device
>inherits the device tree node information from the platform device and
>its of_node is available in sysfs.
>
>Without this, udev is unable to expose the OF_* properties (OF_NAME,
>OF_FULLNAME, OF_COMPATIBLE, OF_ALIAS, etc.) for the network interface.
>These properties are commonly used by udev rules and other userspace
>tools for device identification and configuration.
>
>Signed-off-by: Primoz Fiser <primoz.fiser@...ik.com>
>---
> drivers/net/ethernet/freescale/fec_main.c | 1 +
> 1 file changed, 1 insertion(+)
>
>diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
>index 63dac4272045..5142fed08cba 100644
>--- a/drivers/net/ethernet/freescale/fec_main.c
>+++ b/drivers/net/ethernet/freescale/fec_main.c
>@@ -4359,6 +4359,7 @@ fec_probe(struct platform_device *pdev)
> 		return -ENOMEM;
> 
> 	SET_NETDEV_DEV(ndev, &pdev->dev);
>+	ndev->dev.of_node = pdev->dev.of_node;

You may need to use device_set_of_node_from_dev.

Regards,
Peng

> 
> 	/* setup board info structure */
> 	fep = netdev_priv(ndev);
>-- 
>2.34.1
>

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