arm: mvebu: turris_mox: Better check for valid ethernet addresses in env

Currently we overwrite ethaddr and eth1addr only if these variables
don't exist.

Better overwrite them even if the env variable exists, but is invalid -
eth_env_get_enetaddr_by_index() checks for validity.

Refactor the code to use a for cycle.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/board/CZ.NIC/turris_mox/turris_mox.c b/board/CZ.NIC/turris_mox/turris_mox.c
index 7c5acfd1d9d692564755ca7e4bf7c48d46ce9cf9..2202eb8cfb86208013485899fd79eb47c82b8928 100644 (file)
--- a/board/CZ.NIC/turris_mox/turris_mox.c
+++ b/board/CZ.NIC/turris_mox/turris_mox.c
@@ -359,20 +359,22 @@ static int get_reset_gpio(struct gpio_desc *reset_gpio)
 
 int misc_init_r(void)
 {
-       int ret;
-       u8 mac1[6], mac2[6];
+       u8 mac[2][6];
+       int i, ret;
 
-       ret = mbox_sp_get_board_info(NULL, mac1, mac2, NULL, NULL);
+       ret = mbox_sp_get_board_info(NULL, mac[0], mac[1], NULL, NULL);
        if (ret < 0) {
                printf("Cannot read data from OTP!\n");
                return 0;
        }
 
-       if (is_valid_ethaddr(mac1) && !env_get("ethaddr"))
-               eth_env_set_enetaddr("ethaddr", mac1);
+       for (i = 0; i < 2; ++i) {
+               u8 oldmac[6];
 
-       if (is_valid_ethaddr(mac2) && !env_get("eth1addr"))
-               eth_env_set_enetaddr("eth1addr", mac2);
+               if (is_valid_ethaddr(mac[i]) &&
+                   !eth_env_get_enetaddr_by_index("eth", i, oldmac))
+                       eth_env_set_enetaddr_by_index("eth", i, mac[i]);
+       }
 
        return 0;
 }