[PATCH 5.4 064/122] Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip.

[Greg Kroah-Hartman]

From: mark-yw.chen <mark-yw.chen@xxxxxxxxxxxx>

[ Upstream commit 8454ed9ff9647e31e061fb5eb2e39ce79bc5e960 ]

This patch reduce in-token during download patch procedure.
Don't submit urb for polling event before sending hci command.

Signed-off-by: mark-yw.chen <mark-yw.chen@xxxxxxxxxxxx>
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/bluetooth/btusb.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index b467fd05c5e8..27ff7a6e2fc9 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2700,11 +2700,6 @@ static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
 	struct btmtk_wmt_hdr *hdr;
 	int err;
 
-	/* Submit control IN URB on demand to process the WMT event */
-	err = btusb_mtk_submit_wmt_recv_urb(hdev);
-	if (err < 0)
-		return err;
-
 	/* Send the WMT command and wait until the WMT event returns */
 	hlen = sizeof(*hdr) + wmt_params->dlen;
 	if (hlen > 255)
@@ -2726,6 +2721,11 @@ static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
 		return err;
 	}
 
+	/* Submit control IN URB on demand to process the WMT event */
+	err = btusb_mtk_submit_wmt_recv_urb(hdev);
+	if (err < 0)
+		return err;
+
 	/* The vendor specific WMT commands are all answered by a vendor
 	 * specific event and will have the Command Status or Command
 	 * Complete as with usual HCI command flow control.
-- 
2.30.2