[PATCH] net: smc911x: Automatically Update ethaddr with MAC

Adam Ford aford173 at gmail.com
Sun Aug 16 14:17:37 CEST 2020

The ethernet controller can read the MAC from EEPROM and display it,
but if ethaddr is not set, the ethernet is still unavailable.

This patch checks will automatically set the MAC address if it has
not already been set.

Signed-off-by: Adam Ford <aford173 at gmail.com>

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 9c5dc46483..f028bfba18 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -6,6 +6,7 @@
 #include <common.h>
+#include <env.h>
 #include <command.h>
 #include <malloc.h>
 #include <net.h>
@@ -185,6 +186,8 @@ static void smc911x_handle_mac_address(struct smc911x_priv *priv)
 	smc911x_set_mac_csr(priv, ADDRH, addrh);
 	printf(DRIVERNAME ": MAC %pM\n", m);
+	if (!env_get("ethaddr"))
+		env_set("fdt_file", (const char *)m);
 static bool smc911x_read_mac_address(struct smc911x_priv *priv)

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