mt76: verify evt type in usb mcu response

Verify if evt field is set to EVT_CMD_DONE in usb mcu
response messages. This is a preliminary patch for usb_mcu layer
unification between mt76x0u and mt76x2u driver.
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/mediatek/mt76/dma.h

@@ -75,6 +75,16 @@ enum dma_msg_port {
 	DISCARD,
 };
 
+enum mt76_mcu_evt_type {
+	EVT_CMD_DONE,
+	EVT_CMD_ERROR,
+	EVT_CMD_RETRY,
+	EVT_EVENT_PWR_RSP,
+	EVT_EVENT_WOW_RSP,
+	EVT_EVENT_CARRIER_DETECT_RSP,
+	EVT_EVENT_DFS_DETECT_RSP,
+};
+
 int mt76_dma_attach(struct mt76_dev *dev);
 void mt76_dma_cleanup(struct mt76_dev *dev);
 

drivers/net/wireless/mediatek/mt76/usb_mcu.c

@@ -73,7 +73,8 @@ static int mt76u_mcu_wait_resp(struct mt76_dev *dev, u8 seq)
 		if (ret)
 			return ret;
 
-		if (seq == FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, rxfce))
+		if (seq == FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, rxfce) &&
+		    FIELD_GET(MT_RX_FCE_INFO_EVT_TYPE, rxfce) == EVT_CMD_DONE)
 			return 0;
 
 		dev_err(dev->dev, "error: MCU resp evt:%lx seq:%hhx-%lx\n",