Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip.

[ Upstream commit 8454ed9 ] 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 <[email protected]> Signed-off-by: Marcel Holtmann <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
repojohnray · Jul 19, 2021 · 5f5f802 · 5f5f802
1 parent 3d08b59
commit 5f5f802
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
@@ -2963,11 +2963,6 @@ 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)
@@ -2989,6 +2984,11 @@ 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.