Re: [PATCH 5/6] net: bcmgenet: Fetch MAC address from the adapter

From: Andrew Lunn
Date: Sat Feb 01 2020 - 10:37:16 EST


> @@ -3601,6 +3605,23 @@ static int bcmgenet_probe(struct platform_device *pdev)
> !strcasecmp(phy_mode_str, "internal"))
> bcmgenet_power_up(priv, GENET_POWER_PASSIVE);
>
> + if (dn)
> + macaddr = of_get_mac_address(dn);
> + else if (pd)
> + macaddr = pd->mac_address;
> +
> + if (IS_ERR_OR_NULL(macaddr) || !is_valid_ether_addr(macaddr)) {
> + if (has_acpi_companion(&pdev->dev))
> + bcmgenet_get_hw_addr(priv, dev->dev_addr);
> +
> + if (!is_valid_ether_addr(dev->dev_addr)) {
> + dev_warn(&pdev->dev, "using random Ethernet MAC\n");
> + eth_hw_addr_random(dev);
> + }
> + } else {
> + ether_addr_copy(dev->dev_addr, macaddr);
> + }
> +

Could you also maybe put in here somewhere a call to
device_get_mac_address(), to support getting the MAC address out of
ACPI?

Andrew