[PATCH 1/5][SRU][H] Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip.

[You-Sheng Yang]

From: "mark-yw.chen" <mark-yw.chen at mediatek.com>

BugLink: https://bugs.launchpad.net/bugs/1937004

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 at mediatek.com>
Signed-off-by: Marcel Holtmann <marcel at holtmann.org>
(backported from commit 8454ed9ff9647e31e061fb5eb2e39ce79bc5e960)
Signed-off-by: You-Sheng Yang <vicamo.yang at canonical.com>
---
 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 9875cb4078a1..2be2cbf51475 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3330,11 +3330,6 @@ 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)
@@ -3356,6 +3351,11 @@ 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.
-- 
2.31.1