drivers/of/of_net.c

60 	const void *mac;  in of_get_mac_addr_nvmem()  local
73 	mac = devm_kmemdup(&pdev->dev, nvmem_mac, ETH_ALEN, GFP_KERNEL);  in of_get_mac_addr_nvmem()
75 	if (!mac)  in of_get_mac_addr_nvmem()
78 	return mac;  in of_get_mac_addr_nvmem()
82  * Search the device tree for the best MAC address to use.  'mac-address' is
83  * checked first, because that is supposed to contain to "most recent" MAC
84  * address. If that isn't set, then 'local-mac-address' is checked next,
87  * of the above isn't set, then try to get MAC address from nvmem cell named
88  * 'mac-address'.
92  * MAC address.
94  * All-zero MAC addresses are rejected, because those could be properties that
96  * DTS could define 'mac-address' and 'local-mac-address', with zero MAC
97  * addresses.  Some older U-Boots only initialized 'local-mac-address'.  In
98  * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists
107 	addr = of_get_mac_addr(np, "mac-address");  in of_get_mac_address()
111 	addr = of_get_mac_addr(np, "local-mac-address");  in of_get_mac_address()