From db394109d0ade353a3070897762df73d085cc454 Mon Sep 17 00:00:00 2001
From: James Benway <James.Benway@VPGSensors.com>
Date: Wed, 24 Jul 2024 09:13:18 -0400
Subject: [PATCH] netdev: fix device address setting for kernel > 5.15

---
 netdev.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/netdev.c b/netdev.c
index 181c85f..a6776da 100644
--- a/netdev.c
+++ b/netdev.c
@@ -818,8 +818,17 @@ static int ccat_eth_init_netdev(struct ccat_eth_priv *priv)
 	int status;
 
 	/* init netdev with MAC and stack callbacks */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0)
+	u8 mac_addr[ETH_ALEN];
+
+	if (priv->netdev->addr_len != ETH_ALEN)
+		return -EFAULT;
+	memcpy_fromio(mac_addr, priv->reg.mii + 8, ETH_ALEN);
+	eth_hw_addr_set(priv->netdev, mac_addr);
+#else
 	memcpy_fromio(priv->netdev->dev_addr, priv->reg.mii + 8,
 		      priv->netdev->addr_len);
+#endif
 	priv->netdev->netdev_ops = &ccat_eth_netdev_ops;
 	netif_carrier_off(priv->netdev);