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Bluetooth: btusb: Add a simple static btusb_prepare_reset()

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Add btusb_prepare_reset() to do cleanup before a reset, and
apply it to btusb_mtk_reset() as well.

Signed-off-by: Zijun Hu <zijun.hu@oss.qualcomm.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Zijun Hu
2026-07-25 01:54:43 -07:00
committed by Luiz Augusto von Dentz
parent d6d15018c8
commit 33971338ef
1 changed files with 9 additions and 2 deletions
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11
drivers/bluetooth/btusb.c
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@@ -2074,6 +2074,14 @@ static void btusb_stop_traffic(struct btusb_data *data)
usb_kill_anchored_urbs(&data->ctrl_anchor);
}
static void btusb_prepare_reset(struct hci_dev *hdev)
{
struct btusb_data *data = hci_get_drvdata(hdev);
btusb_stop_traffic(data);
usb_kill_anchored_urbs(&data->tx_anchor);
}
static int btusb_close(struct hci_dev *hdev)
{
struct btusb_data *data = hci_get_drvdata(hdev);
@@ -2918,8 +2926,7 @@ static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data)
/* Release MediaTek ISO data interface */
btusb_mtk_release_iso_intf(hdev);
btusb_stop_traffic(data);
usb_kill_anchored_urbs(&data->tx_anchor);
btusb_prepare_reset(hdev);
/* Toggle the hard reset line. The MediaTek device is going to
* yank itself off the USB and then replug. The cleanup is handled