diff options
-rw-r--r-- | drivers/bluetooth/btusb.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index b5fbda6d490..e70c57ee422 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -35,7 +35,7 @@ #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> -#define VERSION "0.4" +#define VERSION "0.5" static int ignore_dga; static int ignore_csr; @@ -171,6 +171,7 @@ struct btusb_data { __u8 cmdreq_type; + unsigned int sco_num; int isoc_altsetting; int suspend_count; }; @@ -496,11 +497,23 @@ static int btusb_open(struct hci_dev *hdev) return 0; err = btusb_submit_intr_urb(hdev, GFP_KERNEL); + if (err < 0) + goto failed; + + err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); if (err < 0) { - clear_bit(BTUSB_INTR_RUNNING, &data->flags); - clear_bit(HCI_RUNNING, &hdev->flags); + usb_kill_anchored_urbs(&data->intr_anchor); + goto failed; } + set_bit(BTUSB_BULK_RUNNING, &data->flags); + btusb_submit_bulk_urb(hdev, GFP_KERNEL); + + return 0; + +failed: + clear_bit(BTUSB_INTR_RUNNING, &data->flags); + clear_bit(HCI_RUNNING, &hdev->flags); return err; } @@ -655,19 +668,10 @@ static void btusb_notify(struct hci_dev *hdev, unsigned int evt) BT_DBG("%s evt %d", hdev->name, evt); - 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); + if (hdev->conn_hash.sco_num != data->sco_num) { + data->sco_num = hdev->conn_hash.sco_num; + schedule_work(&data->work); } - - schedule_work(&data->work); } static int inline __set_isoc_interface(struct hci_dev *hdev, int altsetting) @@ -982,9 +986,11 @@ static int btusb_resume(struct usb_interface *intf) } if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { - if (btusb_submit_bulk_urb(hdev, GFP_NOIO) < 0) + err = btusb_submit_bulk_urb(hdev, GFP_NOIO); + if (err < 0) { clear_bit(BTUSB_BULK_RUNNING, &data->flags); - else + return err; + } else btusb_submit_bulk_urb(hdev, GFP_NOIO); } |