wl12xx: Read MAC address from NVS file on HW startup

Try to read the MAC address from the on-disk NVS file.
A non-zero MAC address is required to add an AP interface.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index a6de19a..78d6155 100644 (file)
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -3064,6 +3064,18 @@ int wl1271_register_hw(struct wl1271 *wl)
        if (wl->mac80211_registered)
                return 0;
 
+       ret = wl1271_fetch_nvs(wl);
+       if (ret == 0) {
+               u8 *nvs_ptr = (u8 *)wl->nvs->nvs;
+
+               wl->mac_addr[0] = nvs_ptr[11];
+               wl->mac_addr[1] = nvs_ptr[10];
+               wl->mac_addr[2] = nvs_ptr[6];
+               wl->mac_addr[3] = nvs_ptr[5];
+               wl->mac_addr[4] = nvs_ptr[4];
+               wl->mac_addr[5] = nvs_ptr[3];
+       }
+
        SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr);
 
        ret = ieee80211_register_hw(wl->hw);