On Mon, Jul 20, 2026 at 09:43:07AM +0800, [email protected] wrote: > From: Wei Fang <[email protected]> > > 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 <[email protected]> > --- > 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; >
Reviewed-by: Joe Damato <[email protected]>
