static int btusb_close(struct hci_dev *hdev)
{
struct btusb_data *data = hdev->driver_data;
int err;
BT_DBG("%s", hdev->name);
if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
return 0;
cancel_work_sync(&data->work);
cancel_work_sync(&data->waker);
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
btusb_stop_traffic(data);
err = usb_autopm_get_interface(data->intf);
if (err < 0)
goto failed;
data->intf->needs_remote_wakeup = 0;
usb_autopm_put_interface(data->intf);
failed:
usb_scuttle_anchored_urbs(&data->deferred);
return 0;
}
void ctrl_bridge_disconnect(unsigned int id)
{
struct ctrl_bridge *dev = __dev[id];
dev_dbg(&dev->intf->dev, "%s:\n", __func__);
/*set device name to none to get correct channel id
* at the time of bridge open
*/
dev->name = "none";
platform_device_unregister(dev->pdev);
usb_scuttle_anchored_urbs(&dev->tx_deferred);
usb_kill_anchored_urbs(&dev->tx_submitted);
usb_kill_urb(dev->inturb);
usb_kill_urb(dev->readurb);
kfree(dev->in_ctlreq);
kfree(dev->readbuf);
kfree(dev->intbuf);
usb_free_urb(dev->readurb);
usb_free_urb(dev->inturb);
}
static int data_bridge_resume(struct data_bridge *dev)
{
struct urb *urb;
int retval;
if (!test_and_clear_bit(SUSPENDED, &dev->flags))
return 0;
while ((urb = usb_get_from_anchor(&dev->delayed))) {
usb_anchor_urb(urb, &dev->tx_active);
atomic_inc(&dev->pending_txurbs);
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval < 0) {
atomic_dec(&dev->pending_txurbs);
usb_unanchor_urb(urb);
/* TODO: need to free urb data */
usb_scuttle_anchored_urbs(&dev->delayed);
break;
}
dev->to_modem++;
dev->txurb_drp_cnt--;
}
/* if the bridge is open or not, resume to consume mdm request
* because this link is not dead, it's alive
*/
#ifndef CONFIG_MDM_HSIC_PM
if (dev->brdg)
#endif
queue_work(dev->wq, &dev->process_rx_w);
return 0;
}
static int data_bridge_resume(struct data_bridge *dev)
{
struct urb *urb;
int retval;
while ((urb = usb_get_from_anchor(&dev->delayed))) {
usb_anchor_urb(urb, &dev->tx_active);
atomic_inc(&dev->pending_txurbs);
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval < 0) {
atomic_dec(&dev->pending_txurbs);
usb_unanchor_urb(urb);
/* TODO: need to free urb data */
usb_scuttle_anchored_urbs(&dev->delayed);
break;
}
dev->to_modem++;
dev->txurb_drp_cnt--;
}
clear_bit(SUSPENDED, &dev->flags);
if (dev->brdg)
queue_work(dev->wq, &dev->process_rx_w);
return 0;
}
void usbnet_disconnect (struct usb_interface *intf)
{
struct usbnet *dev;
struct usb_device *xdev;
struct net_device *net;
dev = usb_get_intfdata(intf);
usb_set_intfdata(intf, NULL);
if (!dev)
return;
xdev = interface_to_usbdev (intf);
netif_info(dev, probe, dev->net, "unregister '%s' usb-%s-%s, %s\n",
intf->dev.driver->name,
xdev->bus->bus_name, xdev->devpath,
dev->driver_info->description);
net = dev->net;
unregister_netdev (net);
cancel_work_sync(&dev->kevent);
usb_scuttle_anchored_urbs(&dev->deferred);
if (dev->driver_info->unbind)
dev->driver_info->unbind (dev, intf);
usb_kill_urb(dev->interrupt);
usb_free_urb(dev->interrupt);
free_netdev(net);
usb_put_dev (xdev);
}
static int btusb_resume(struct usb_interface *intf)
{
struct btusb_data *data = usb_get_intfdata(intf);
struct hci_dev *hdev = data->hdev;
int err = 0;
BT_DBG("intf %p", intf);
if (--data->suspend_count)
return 0;
if (!test_bit(HCI_RUNNING, &hdev->flags))
goto done;
if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
err = btusb_submit_intr_urb(hdev, GFP_NOIO);
if (err < 0) {
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
goto failed;
}
}
if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
if (err < 0) {
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
goto failed;
}
btusb_submit_bulk_urb(hdev, GFP_NOIO);
}
if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
else
btusb_submit_isoc_urb(hdev, GFP_NOIO);
}
spin_lock_irq(&data->txlock);
play_deferred(data);
clear_bit(BTUSB_SUSPENDING, &data->flags);
spin_unlock_irq(&data->txlock);
schedule_work(&data->work);
return 0;
failed:
usb_scuttle_anchored_urbs(&data->deferred);
done:
spin_lock_irq(&data->txlock);
clear_bit(BTUSB_SUSPENDING, &data->flags);
spin_unlock_irq(&data->txlock);
return err;
}
static int carl9170_usb_init_rx_bulk_urbs(struct ar9170 *ar)
{
struct urb *urb;
int i, err = -EINVAL;
/*
* The driver actively maintains a second shadow
* pool for inactive, but fully-prepared rx urbs.
*
* The pool should help the driver to master huge
* workload spikes without running the risk of
* undersupplying the hardware or wasting time by
* processing rx data (streams) inside the urb
* completion (hardirq context).
*/
for (i = 0; i < AR9170_NUM_RX_URBS_POOL; i++) {
urb = carl9170_usb_alloc_rx_urb(ar, GFP_KERNEL);
if (!urb) {
err = -ENOMEM;
goto err_out;
}
usb_anchor_urb(urb, &ar->rx_pool);
atomic_inc(&ar->rx_pool_urbs);
usb_free_urb(urb);
}
err = carl9170_usb_submit_rx_urb(ar, GFP_KERNEL);
if (err)
goto err_out;
/* the device now waiting for the firmware. */
carl9170_set_state_when(ar, CARL9170_STOPPED, CARL9170_IDLE);
return 0;
err_out:
usb_scuttle_anchored_urbs(&ar->rx_pool);
usb_scuttle_anchored_urbs(&ar->rx_work);
usb_kill_anchored_urbs(&ar->rx_anch);
return err;
}
static void carl9170_usb_cancel_urbs(struct ar9170 *ar)
{
int err;
carl9170_set_state(ar, CARL9170_UNKNOWN_STATE);
err = carl9170_usb_flush(ar);
if (err)
dev_err(&ar->udev->dev, "stuck tx urbs!\n");
usb_poison_anchored_urbs(&ar->tx_anch);
carl9170_usb_handle_tx_err(ar);
usb_poison_anchored_urbs(&ar->rx_anch);
tasklet_kill(&ar->usb_tasklet);
usb_scuttle_anchored_urbs(&ar->rx_work);
usb_scuttle_anchored_urbs(&ar->rx_pool);
usb_scuttle_anchored_urbs(&ar->tx_cmd);
}
static void play_deferred(struct btusb_data *data)
{
struct urb *urb;
int err;
while ((urb = usb_get_from_anchor(&data->deferred))) {
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0)
break;
data->tx_in_flight++;
}
usb_scuttle_anchored_urbs(&data->deferred);
}
static int btusb_close(struct hci_dev *hdev)
{
struct btusb_data *data = GET_DRV_DATA(hdev);
int i,err;
if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
return 0;
RTKBT_DBG("btusb_close");
/*******************************/
for (i = 0; i < NUM_REASSEMBLY; i++)
{
if(hdev->reassembly[i])
{
kfree_skb(hdev->reassembly[i]);
hdev->reassembly[i] = NULL;
RTKBT_DBG("%s free ressembly i=%d",__FUNCTION__,i);
}
}
/*******************************/
cancel_work_sync(&data->work);
cancel_work_sync(&data->waker);
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
btusb_stop_traffic(data);
err = usb_autopm_get_interface(data->intf);
if (err < 0)
goto failed;
data->intf->needs_remote_wakeup = 0;
usb_autopm_put_interface(data->intf);
failed:
mdelay(URB_CANCELING_DELAY_MS); // Added by Realtek
usb_scuttle_anchored_urbs(&data->deferred);
return 0;
}
static int nfcmrvl_resume(struct usb_interface *intf)
{
struct nfcmrvl_usb_drv_data *drv_data = usb_get_intfdata(intf);
int err = 0;
nfc_info(&drv_data->udev->dev, "intf %p", intf);
if (--drv_data->suspend_count)
return 0;
if (!test_bit(NFCMRVL_NCI_RUNNING, &drv_data->flags))
goto done;
if (test_bit(NFCMRVL_USB_BULK_RUNNING, &drv_data->flags)) {
err = nfcmrvl_submit_bulk_urb(drv_data, GFP_NOIO);
if (err) {
clear_bit(NFCMRVL_USB_BULK_RUNNING, &drv_data->flags);
goto failed;
}
nfcmrvl_submit_bulk_urb(drv_data, GFP_NOIO);
}
spin_lock_irq(&drv_data->txlock);
nfcmrvl_play_deferred(drv_data);
clear_bit(NFCMRVL_USB_SUSPENDING, &drv_data->flags);
spin_unlock_irq(&drv_data->txlock);
return 0;
failed:
usb_scuttle_anchored_urbs(&drv_data->deferred);
done:
spin_lock_irq(&drv_data->txlock);
clear_bit(NFCMRVL_USB_SUSPENDING, &drv_data->flags);
spin_unlock_irq(&drv_data->txlock);
return err;
}
static int nfcmrvl_usb_nci_close(struct nfcmrvl_private *priv)
{
struct nfcmrvl_usb_drv_data *drv_data = priv->drv_data;
int err;
cancel_work_sync(&drv_data->waker);
clear_bit(NFCMRVL_USB_BULK_RUNNING, &drv_data->flags);
nfcmrvl_usb_stop_traffic(drv_data);
usb_kill_anchored_urbs(&drv_data->tx_anchor);
err = usb_autopm_get_interface(drv_data->intf);
if (err)
goto failed;
drv_data->intf->needs_remote_wakeup = 0;
usb_autopm_put_interface(drv_data->intf);
failed:
usb_scuttle_anchored_urbs(&drv_data->deferred);
return 0;
}
static void play_deferred(struct btusb_data *data)
{
struct urb *urb;
int err;
while ((urb = usb_get_from_anchor(&data->deferred))) {
/************************************/
usb_anchor_urb(urb, &data->tx_anchor);
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
BT_ERR("play_deferred urb %p submission failed", urb);
kfree(urb->setup_packet);
usb_unanchor_urb(urb);
} else {
usb_mark_last_busy(data->udev);
}
usb_free_urb(urb);
/************************************/
data->tx_in_flight++;
}
mdelay(URB_CANCELING_DELAY_MS); // Added by Realtek
usb_scuttle_anchored_urbs(&data->deferred);
}
static int btusb_resume(struct usb_interface *intf)
{
struct btusb_data *data = usb_get_intfdata(intf);
struct hci_dev *hdev = data->hdev;
int err = 0;
if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
return 0;
/*******************************/
RTKBT_DBG("btusb_resume data->suspend_count=%d",data->suspend_count);
if (!test_bit(HCI_RUNNING, &hdev->flags))
{
RTKBT_DBG("btusb_resume-----bt is off,download patch");
download_patch(intf);
}
else
RTKBT_DBG("btusb_resume,----bt is on");
/*******************************/
if (--data->suspend_count)
return 0;
if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
err = btusb_submit_intr_urb(hdev, GFP_NOIO);
if (err < 0) {
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
goto failed;
}
}
if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
if (err < 0) {
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
goto failed;
}
btusb_submit_bulk_urb(hdev, GFP_NOIO);
}
if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
else
btusb_submit_isoc_urb(hdev, GFP_NOIO);
}
spin_lock_irq(&data->txlock);
play_deferred(data);
clear_bit(BTUSB_SUSPENDING, &data->flags);
spin_unlock_irq(&data->txlock);
schedule_work(&data->work);
return 0;
failed:
mdelay(URB_CANCELING_DELAY_MS); // Added by Realtek
usb_scuttle_anchored_urbs(&data->deferred);
//done:
spin_lock_irq(&data->txlock);
clear_bit(BTUSB_SUSPENDING, &data->flags);
spin_unlock_irq(&data->txlock);
return err;
}
