[PATCH] of: net: Add option for random mac address

[Iulian Gilca <igilca1980@gmail.com>]

Embedded devices that may not have fixed mac address
may want to use a randomly generated one.
DSA switch ports are some of these.

Signed-off-by: Iulian Gilca <igilca1980@gmail.com>
---
 net/core/of_net.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/core/of_net.c b/net/core/of_net.c
index 93ea425b9248..aa4acdffc710 100644
--- a/net/core/of_net.c
+++ b/net/core/of_net.c
@@ -142,6 +142,10 @@ int of_get_mac_address(struct device_node *np, u8 *addr)
 	if (!ret)
 		return 0;
 
+	ret = of_get_mac_addr(np, "random-address", addr);
+	if (!ret)
+		return 0;
+
 	return of_get_mac_address_nvmem(np, addr);
 }
 EXPORT_SYMBOL(of_get_mac_address);
-- 
2.43.0