diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c
index aaaa2a81ce96..4d996d18652c 100644
--- a/drivers/bluetooth/btmtksdio.c
+++ b/drivers/bluetooth/btmtksdio.c
@@ -917,14 +917,14 @@ static int mt76xx_setup(struct hci_dev *hdev, const char *fwname)
 	return 0;
 }
 
-static int mt79xx_setup(struct hci_dev *hdev, const char *fwname)
+static int mt79xx_setup(struct hci_dev *hdev, const char *fwname, u32 dev_id)
 {
 	struct btmtksdio_dev *bdev = hci_get_drvdata(hdev);
 	struct btmtk_hci_wmt_params wmt_params;
 	u8 param = 0x1;
 	int err;
 
-	err = btmtk_setup_firmware_79xx(hdev, fwname, mtk_hci_wmt_sync, 0);
+	err = btmtk_setup_firmware_79xx(hdev, fwname, mtk_hci_wmt_sync, dev_id);
 	if (err < 0) {
 		bt_dev_err(hdev, "Failed to setup 79xx firmware (%d)", err);
 		return err;
@@ -1137,8 +1137,8 @@ static int btmtksdio_setup(struct hci_dev *hdev)
 	ktime_t calltime, delta, rettime;
 	unsigned long long duration;
 	char fwname[64];
-	int err, dev_id;
-	u32 fw_version = 0, val;
+	int err;
+	u32 dev_id, fw_version = 0, val;
 
 	calltime = ktime_get();
 	set_bit(BTMTKSDIO_HW_TX_READY, &bdev->tx_state);
@@ -1180,7 +1180,7 @@ static int btmtksdio_setup(struct hci_dev *hdev)
 		btmtk_fw_get_filename(fwname, sizeof(fwname), dev_id,
 				      fw_version, 0);
 
-		err = mt79xx_setup(hdev, fwname);
+		err = mt79xx_setup(hdev, fwname, dev_id);
 		if (err < 0)
 			return err;