From 9db43e6f35db54f35742e23143cdd7251f952bfd Mon Sep 17 00:00:00 2001 From: Wei Fang Date: Mon, 20 Jul 2026 09:43:07 +0800 Subject: [PATCH] net: enetc: use PCI device name for debugfs directory enetc_create_debugfs() is called right after register_netdev(), at which point ndev->name still holds the format "eth%d" (e.g., eth0) rather than the final assigned name (e.g., via udev rules). Use pci_name() instead of netdev_name() to name the debugfs directory. The PCI device name is unique, stable, and available from the start, making it a more reliable identifier for the debugfs entry. Therefore, the observable debugfs path from something like /sys/kernel/debug/eth0/mac_filter to a PCI BDF-style path such as /sys/kernel/debug/0002:00:00.0/mac_filter. Signed-off-by: Wei Fang Reviewed-by: Joe Damato Link: https://patch.msgid.link/20260720014317.1059359-6-wei.fang@oss.nxp.com Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/freescale/enetc/enetc4_debugfs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/freescale/enetc/enetc4_debugfs.c b/drivers/net/ethernet/freescale/enetc/enetc4_debugfs.c index 4a769d9e5679..be378bf8f74d 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc4_debugfs.c +++ b/drivers/net/ethernet/freescale/enetc/enetc4_debugfs.c @@ -81,10 +81,9 @@ DEFINE_SHOW_ATTRIBUTE(enetc_mac_filter); void enetc_create_debugfs(struct enetc_si *si) { - struct net_device *ndev = si->ndev; struct dentry *root; - root = debugfs_create_dir(netdev_name(ndev), NULL); + root = debugfs_create_dir(pci_name(si->pdev), NULL); if (IS_ERR(root)) return;