4g /5g

hc

2024-08-13 755336cb89d9507a85518c0bbb55ed1db039c2fa

 kernel/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
..
..
@@ -2711,13 +2711,15 @@
2711
2711
 }
2712
2712
 EXPORT_SYMBOL(dwmac_rk_get_phy_interface);
2713
2713
 
2714
+static unsigned char macaddr[6];
2715
+extern ssize_t at24_mac_read(unsigned char* addr);
2714
2716
 static void rk_get_eth_addr(void *priv, unsigned char *addr)
2715
2717
 {
2716
2718
 	struct rk_priv_data *bsp_priv = priv;
2717
2719
 	struct device *dev = &bsp_priv->pdev->dev;
2718
-	unsigned char ethaddr[ETH_ALEN * MAX_ETH] = {0};
2719
-	int ret, id = bsp_priv->bus_id;
2720
+	int i;
2720
2721
 
2722
+#if 0
2721
2723
 	if (is_valid_ether_addr(addr))
2722
2724
 		goto out;
2723
2725
 
..
..
@@ -2747,6 +2749,22 @@
2747
2749
 	} else {
2748
2750
 		memcpy(addr, &ethaddr[id * ETH_ALEN], ETH_ALEN);
2749
2751
 	}
2752
+#endif
2753
+		
2754
+	#if 1
2755
+        if (at24_mac_read(macaddr) > 0) {
2756
+                printk("ben %s: at24_mac_read Success!! \n", __func__);
2757
+                memcpy(addr, macaddr, 6);
2758
+                printk("Read the Ethernet MAC address from :");
2759
+                for (i = 0; i < 5; i++)
2760
+                        printk("%2.2x:", addr[i]);
2761
+
2762
+                printk("%2.2x\n", addr[i]);
2763
+        } else {
2764
+                printk("ben %s: at24_mac_read Failed!! \n", __func__);
2765
+                goto out;
2766
+        }
2767
+       #endif
2750
2768
 
2751
2769
 out:
2752
2770
 	dev_err(dev, "%s: mac address: %pM\n", __func__, addr);
..
..
@@ -2920,7 +2938,7 @@
2920
2938
 		.of_match_table = rk_gmac_dwmac_match,
2921
2939
 	},
2922
2940
 };
2923
-module_platform_driver(rk_gmac_dwmac_driver);
2941
+module_platform_driver1(rk_gmac_dwmac_driver);
2924
2942
 
2925
2943
 MODULE_AUTHOR("Chen-Zhi (Roger Chen) <roger.chen@rock-chips.com>");
2926
2944
 MODULE_DESCRIPTION("Rockchip RK3288 DWMAC specific glue layer");