Bluetooth: btusb: Comment on unbalanced pm reference

Add a comment clarifying that a PM reference in btusb_qca_cmd_timeout is
not unbalanced because it results in a device reset.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f8a71fd..0e143c0 100644 (file)
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -581,6 +581,7 @@ static void btusb_qca_cmd_timeout(struct hci_dev *hdev)
                return;
 
        bt_dev_err(hdev, "Multiple cmd timeouts seen. Resetting usb device.");
+       /* This is not an unbalanced PM reference since the device will reset */
        err = usb_autopm_get_interface(data->intf);
        if (!err)
                usb_queue_reset_device(data->intf);