From 8454ed9ff9647e31e061fb5eb2e39ce79bc5e960 Mon Sep 17 00:00:00 2001
From: "mark-yw.chen" <mark-yw.chen@mediatek.com>
Date: Mon, 12 Apr 2021 23:06:26 +0800
Subject: [PATCH] Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip.
Git-commit: 8454ed9ff9647e31e061fb5eb2e39ce79bc5e960
Patch-mainline: v5.14-rc1
References: git-fixes
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@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/bluetooth/btusb.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2657,11 +2657,6 @@ static int btusb_mtk_hci_wmt_sync(struct
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)
@@ -2683,6 +2678,11 @@ static int btusb_mtk_hci_wmt_sync(struct
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.