ethernet: make use of eth_hw_addr_random() where appropriate

Number of drivers use eth_random_addr(netdev->dev_addr)
thus writing to netdev->dev_addr directly, and not setting
the address type. Switch them to eth_hw_addr_random().

  @@
  expression netdev;
  @@
  - eth_random_addr(netdev->dev_addr);
  + eth_hw_addr_random(netdev);
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NJakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/atheros/ag71xx.c

@@ -1971,7 +1971,7 @@ static int ag71xx_probe(struct platform_device *pdev)
 	err = of_get_ethdev_address(np, ndev);
 	if (err) {
 		netif_err(ag, probe, ndev, "invalid MAC address, using random address\n");
-		eth_random_addr(ndev->dev_addr);
+		eth_hw_addr_random(ndev);
 	}
 
 	err = of_get_phy_mode(np, &ag->phy_if_mode);

drivers/net/ethernet/cortina/gemini.c

@@ -2473,7 +2473,7 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
 			port->mac_addr[0], port->mac_addr[1],
 			port->mac_addr[2]);
 		dev_info(dev, "using a random ethernet address\n");
-		eth_random_addr(netdev->dev_addr);
+		eth_hw_addr_random(netdev);
 	}
 	gmac_write_mac_address(netdev);
 

drivers/net/ethernet/hisilicon/hip04_eth.c

@@ -998,7 +998,7 @@ static int hip04_mac_probe(struct platform_device *pdev)
 		hip04_config_port(ndev, SPEED_100, DUPLEX_FULL);
 
 	hip04_config_fifo(priv);
-	eth_random_addr(ndev->dev_addr);
+	eth_hw_addr_random(ndev);
 	hip04_update_mac_address(ndev);
 
 	ret = hip04_alloc_ring(ndev, d);

drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c

@@ -224,7 +224,7 @@ void rmnet_vnd_setup(struct net_device *rmnet_dev)
 	rmnet_dev->netdev_ops = &rmnet_vnd_ops;
 	rmnet_dev->mtu = RMNET_DFLT_PACKET_SIZE;
 	rmnet_dev->needed_headroom = RMNET_NEEDED_HEADROOM;
-	eth_random_addr(rmnet_dev->dev_addr);
+	eth_hw_addr_random(rmnet_dev);
 	rmnet_dev->tx_queue_len = RMNET_TX_QUEUE_LEN;
 
 	/* Raw IP mode */

drivers/net/ethernet/ti/netcp_core.c

@@ -2030,14 +2030,14 @@ static int netcp_create_interface(struct netcp_device *netcp_device,
 		if (is_valid_ether_addr(efuse_mac_addr))
 			eth_hw_addr_set(ndev, efuse_mac_addr);
 		else
-			eth_random_addr(ndev->dev_addr);
+			eth_hw_addr_random(ndev);
 
 		devm_iounmap(dev, efuse);
 		devm_release_mem_region(dev, res.start, size);
 	} else {
 		ret = of_get_ethdev_address(node_interface, ndev);
 		if (ret)
-			eth_random_addr(ndev->dev_addr);
+			eth_hw_addr_random(ndev);
 	}
 
 	ret = of_property_read_string(node_interface, "rx-channel",