From: Hao Qin <hao.qin@mediatek.com>
To: Marcel Holtmann <marcel@holtmann.org>,
Johan Hedberg <johan.hedberg@gmail.com>,
Luiz Von Dentz <luiz.dentz@gmail.com>
Cc: Sean Wang <sean.wang@mediatek.com>,
Deren Wu <deren.Wu@mediatek.com>,
Aaron Hou <aaron.hou@mediatek.com>,
Chris Lu <chris.lu@mediatek.com>,
"Steve Lee" <steve.lee@mediatek.com>,
linux-bluetooth <linux-bluetooth@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-mediatek <linux-mediatek@lists.infradead.org>,
Hao Qin <hao.qin@mediatek.com>
Subject: [PATCH] Bluetooth: btusb: mediatek: Add usb reset for firmware setup failure
Date: Fri, 12 Apr 2024 16:41:28 +0800 [thread overview]
Message-ID: <20240412084128.24452-1-hao.qin@mediatek.com> (raw)
Add usb reset to recover BT device from a firmware setup failure,
it will restore the device to its original state and attempt setup
firmware again.
Signed-off-by: Hao Qin <hao.qin@mediatek.com>
---
drivers/bluetooth/btusb.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 4c0cc13adb47..c5aab361795e 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3160,6 +3160,9 @@ static int btusb_mtk_setup(struct hci_dev *hdev)
btusb_mtk_hci_wmt_sync);
if (err < 0) {
bt_dev_err(hdev, "Failed to set up firmware (%d)", err);
+ btusb_stop_traffic(data);
+ usb_kill_anchored_urbs(&data->tx_anchor);
+ usb_queue_reset_device(data->intf);
return err;
}
--
2.18.0
next reply other threads:[~2024-04-12 8:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-12 8:41 Hao Qin [this message]
2024-04-16 14:53 ` Luiz Augusto von Dentz
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