}
 
 #ifdef CONFIG_NL80211_TESTMODE
-       dev->phy.test.mtd_name = devm_kstrdup(dev->dev, part, GFP_KERNEL);
-       dev->phy.test.mtd_offset = offset;
+       dev->test_mtd.name = devm_kstrdup(dev->dev, part, GFP_KERNEL);
+       dev->test_mtd.offset = offset;
 #endif
 
 out_put_node:
 
        if (nla_put_u32(msg, MT76_TM_ATTR_STATE, td->state))
                goto out;
 
-       if (td->mtd_name &&
-           (nla_put_string(msg, MT76_TM_ATTR_MTD_PART, td->mtd_name) ||
-            nla_put_u32(msg, MT76_TM_ATTR_MTD_OFFSET, td->mtd_offset)))
+       if (dev->test_mtd.name &&
+           (nla_put_string(msg, MT76_TM_ATTR_MTD_PART, dev->test_mtd.name) ||
+            nla_put_u32(msg, MT76_TM_ATTR_MTD_OFFSET, dev->test_mtd.offset)))
                goto out;
 
        if (nla_put_u32(msg, MT76_TM_ATTR_TX_COUNT, td->tx_count) ||