diff options
| -rw-r--r-- | drivers/bluetooth/btusb.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index d7515dc0e77e..0c85c981a833 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2648,7 +2648,7 @@ static void btusb_mtk_release_iso_intf(struct hci_dev *hdev) { struct btmtk_data *btmtk_data = hci_get_priv(hdev); - if (btmtk_data->isopkt_intf) { + if (test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { usb_kill_anchored_urbs(&btmtk_data->isopkt_anchor); clear_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags); @@ -2688,8 +2688,8 @@ static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) if (err < 0) return err; - if (test_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags)) - btusb_mtk_release_iso_intf(hdev); + /* Release MediaTek ISO data interface */ + btusb_mtk_release_iso_intf(hdev); btusb_stop_traffic(data); usb_kill_anchored_urbs(&data->tx_anchor); @@ -2734,22 +2734,22 @@ static int btusb_mtk_setup(struct hci_dev *hdev) btmtk_data->reset_sync = btusb_mtk_reset; /* Claim ISO data interface and endpoint */ - btmtk_data->isopkt_intf = usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM); - if (btmtk_data->isopkt_intf) + if (!test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { + btmtk_data->isopkt_intf = usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM); btusb_mtk_claim_iso_intf(data); + } return btmtk_usb_setup(hdev); } static int btusb_mtk_shutdown(struct hci_dev *hdev) { - struct btmtk_data *btmtk_data = hci_get_priv(hdev); int ret; ret = btmtk_usb_shutdown(hdev); - if (test_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags)) - btusb_mtk_release_iso_intf(hdev); + /* Release MediaTek iso interface after shutdown */ + btusb_mtk_release_iso_intf(hdev); return ret; } |