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Bluetooth: Handle bulk URBs in btusb driver from notify callback 

With the addition of usb_unlink_anchored_urbs() it is possible to fully
control the bulk URBs from the notify callback. There is no need to
schedule work and so only do this for the ISOC URBs.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2008-11-30 12:17:12 +01:00
parent 2eda66f4a0
commit a780efa812
1 changed files with 13 additions and 14 deletions
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27
drivers/bluetooth/btusb.c
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@ -680,8 +680,19 @@ static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
BT_DBG("%s evt %d", hdev->name, evt);
if (evt == HCI_NOTIFY_CONN_ADD || evt == HCI_NOTIFY_CONN_DEL)
schedule_work(&data->work);
if (hdev->conn_hash.acl_num > 0) {
if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) {
if (btusb_submit_bulk_urb(hdev, GFP_ATOMIC) < 0)
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
else
btusb_submit_bulk_urb(hdev, GFP_ATOMIC);
}
} else {
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
usb_unlink_anchored_urbs(&data->bulk_anchor);
}
schedule_work(&data->work);
}
static int inline __set_isoc_interface(struct hci_dev *hdev, int altsetting)
@ -732,18 +743,6 @@ static void btusb_work(struct work_struct *work)
struct btusb_data *data = container_of(work, struct btusb_data, work);
struct hci_dev *hdev = data->hdev;
if (hdev->conn_hash.acl_num > 0) {
if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) {
if (btusb_submit_bulk_urb(hdev, GFP_KERNEL) < 0)
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
else
btusb_submit_bulk_urb(hdev, GFP_KERNEL);
}
} else {
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->bulk_anchor);
}
if (hdev->conn_hash.sco_num > 0) {
if (data->isoc_altsetting != 2) {
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);