static int carl9170_usb_init_device(struct ar9170 *ar)
{
int err;
err = carl9170_usb_send_rx_irq_urb(ar);
if (err)
goto err_out;
err = carl9170_usb_init_rx_bulk_urbs(ar);
if (err)
goto err_unrx;
mutex_lock(&ar->mutex);
err = carl9170_usb_load_firmware(ar);
mutex_unlock(&ar->mutex);
if (err)
goto err_unrx;
return 0;
err_unrx:
carl9170_usb_cancel_urbs(ar);
err_out:
return err;
}
static int carl9170_usb_init_device(struct ar9170 *ar)
{
int err;
/*
* The carl9170 firmware let's the driver know when it's
* ready for action. But we have to be prepared to gracefully
* handle all spurious [flushed] messages after each (re-)boot.
* Thus the command response counter remains disabled until it
* can be safely synchronized.
*/
ar->cmd_seq = -2;
err = carl9170_usb_send_rx_irq_urb(ar);
if (err)
goto err_out;
err = carl9170_usb_init_rx_bulk_urbs(ar);
if (err)
goto err_unrx;
err = carl9170_usb_open(ar);
if (err)
goto err_unrx;
mutex_lock(&ar->mutex);
err = carl9170_usb_load_firmware(ar);
mutex_unlock(&ar->mutex);
if (err)
goto err_stop;
return 0;
err_stop:
carl9170_usb_stop(ar);
err_unrx:
carl9170_usb_cancel_urbs(ar);
err_out:
return err;
}
int carl9170_usb_restart(struct ar9170 *ar)
{
int err = 0;
if (ar->intf->condition != USB_INTERFACE_BOUND)
return 0;
/*
* Disable the command response sequence counter check.
* We already know that the device/firmware is in a bad state.
* So, no extra points are awarded to anyone who reminds the
* driver about that.
*/
ar->cmd_seq = -2;
err = carl9170_reboot(ar);
carl9170_usb_stop(ar);
if (err)
goto err_out;
tasklet_schedule(&ar->usb_tasklet);
/* The reboot procedure can take quite a while to complete. */
msleep(1100);
err = carl9170_usb_open(ar);
if (err)
goto err_out;
err = carl9170_usb_load_firmware(ar);
if (err)
goto err_out;
return 0;
err_out:
carl9170_usb_cancel_urbs(ar);
return err;
}
int carl9170_usb_restart(struct ar9170 *ar)
{
int err = 0;
if (ar->intf->condition != USB_INTERFACE_BOUND)
return 0;
/* Disable command response sequence counter. */
ar->cmd_seq = -2;
err = carl9170_reboot(ar);
carl9170_usb_stop(ar);
if (err)
goto err_out;
tasklet_schedule(&ar->usb_tasklet);
/* The reboot procedure can take quite a while to complete. */
msleep(1100);
err = carl9170_usb_open(ar);
if (err)
goto err_out;
err = carl9170_usb_load_firmware(ar);
if (err)
goto err_out;
return 0;
err_out:
carl9170_usb_cancel_urbs(ar);
return err;
}
