diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index bfbfc0c2ec2970c4ed32cb23b4e8ef0ad23a6fd6..6eedc0ec76616cc55afec8b98f55db1ec27e540b 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -553,10 +553,9 @@ static const struct mt76_queue_ops mt76_dma_ops = {
 	.kick = mt76_dma_kick_queue,
 };
 
-int mt76_dma_attach(struct mt76_dev *dev)
+void mt76_dma_attach(struct mt76_dev *dev)
 {
 	dev->queue_ops = &mt76_dma_ops;
-	return 0;
 }
 EXPORT_SYMBOL_GPL(mt76_dma_attach);
 
diff --git a/drivers/net/wireless/mediatek/mt76/dma.h b/drivers/net/wireless/mediatek/mt76/dma.h
index 357cc356342d214b96c024a482069e413c341db6..e3292df5e9b25723e4acf08499fcc974ae31e1b7 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.h
+++ b/drivers/net/wireless/mediatek/mt76/dma.h
@@ -54,7 +54,7 @@ enum mt76_mcu_evt_type {
 	EVT_EVENT_DFS_DETECT_RSP,
 };
 
-int mt76_dma_attach(struct mt76_dev *dev);
+void mt76_dma_attach(struct mt76_dev *dev);
 void mt76_dma_cleanup(struct mt76_dev *dev);
 
 #endif