[PATCH net 2/3] of_net: add property "nvmem-mac-address" for of_get_mac_addr()

[Andy Duan]

If MAC address read from nvmem cell and it is valid mac address,
.of_get_mac_addr_nvmem() add new property "nvmem-mac-address" in
ethernet node. Once user call .of_get_mac_address() to get MAC
address again, it can read valid MAC address from device tree in
directly.

Signed-off-by: Fugang Duan <fugang.d...@nxp.com>
---
 drivers/of/of_net.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/of/of_net.c b/drivers/of/of_net.c
index 9649cd5..5071241 100644
--- a/drivers/of/of_net.c
+++ b/drivers/of/of_net.c
@@ -125,6 +125,10 @@ const void *of_get_mac_address(struct device_node *np)
        if (addr)
                return addr;
 
+       addr = of_get_mac_addr(np, "nvmem-mac-address");
+       if (addr)
+               return addr;
+
        return of_get_mac_addr_nvmem(np);
 }
 EXPORT_SYMBOL(of_get_mac_address);
-- 
2.7.4