void rtl_usb_disconnect(struct usb_interface *intf)
{
struct ieee80211_hw *hw = usb_get_intfdata(intf);
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *rtlmac = rtl_mac(rtl_priv(hw));
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
if (unlikely(!rtlpriv))
return;
/* just in case driver is removed before firmware callback */
wait_for_completion(&rtlpriv->firmware_loading_complete);
/*ieee80211_unregister_hw will call ops_stop */
if (rtlmac->mac80211_registered == 1) {
ieee80211_unregister_hw(hw);
rtlmac->mac80211_registered = 0;
} else {
rtl_deinit_deferred_work(hw);
rtlpriv->intf_ops->adapter_stop(hw);
}
/*deinit rfkill */
/* rtl_deinit_rfkill(hw); */
rtl_usb_deinit(hw);
rtl_deinit_core(hw);
kfree(rtlpriv->usb_data);
rtlpriv->cfg->ops->deinit_sw_leds(hw);
rtlpriv->cfg->ops->deinit_sw_vars(hw);
_rtl_usb_io_handler_release(hw);
usb_put_dev(rtlusb->udev);
usb_set_intfdata(intf, NULL);
ieee80211_free_hw(hw);
}
void rtl_usb_disconnect(struct usb_interface *intf)
{
struct ieee80211_hw *hw = usb_get_intfdata(intf);
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
if (unlikely(!rtlpriv))
return;
/* just in case driver is removed before firmware callback */
wait_for_completion(&rtlpriv->firmware_loading_complete);
clear_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
rtl_mac80211_deinit(hw);
rtl_usb_deinit(hw);
rtl_deinit_core(hw);
kfree(rtlpriv->usb_data);
rtlpriv->cfg->ops->deinit_sw_leds(hw);
rtlpriv->cfg->ops->deinit_sw_vars(hw);
_rtl_usb_io_handler_release(hw);
usb_put_dev(rtlusb->udev);
usb_set_intfdata(intf, NULL);
ieee80211_free_hw(hw);
}
int rtl_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id,
struct rtl_hal_cfg *rtl_hal_cfg)
{
int err;
struct ieee80211_hw *hw = NULL;
struct rtl_priv *rtlpriv = NULL;
struct usb_device *udev;
struct rtl_usb_priv *usb_priv;
hw = ieee80211_alloc_hw(sizeof(struct rtl_priv) +
sizeof(struct rtl_usb_priv), &rtl_ops);
if (!hw) {
RT_ASSERT(false, "ieee80211 alloc failed\n");
return -ENOMEM;
}
rtlpriv = hw->priv;
rtlpriv->usb_data = kzalloc(RTL_USB_MAX_RX_COUNT * sizeof(u32),
GFP_KERNEL);
if (!rtlpriv->usb_data)
return -ENOMEM;
/* this spin lock must be initialized early */
spin_lock_init(&rtlpriv->locks.usb_lock);
INIT_WORK(&rtlpriv->works.lps_change_work,
rtl_lps_change_work_callback);
rtlpriv->usb_data_index = 0;
init_completion(&rtlpriv->firmware_loading_complete);
SET_IEEE80211_DEV(hw, &intf->dev);
udev = interface_to_usbdev(intf);
usb_get_dev(udev);
usb_priv = rtl_usbpriv(hw);
memset(usb_priv, 0, sizeof(*usb_priv));
usb_priv->dev.intf = intf;
usb_priv->dev.udev = udev;
usb_set_intfdata(intf, hw);
/* init cfg & intf_ops */
rtlpriv->rtlhal.interface = INTF_USB;
rtlpriv->cfg = rtl_hal_cfg;
rtlpriv->intf_ops = &rtl_usb_ops;
rtl_dbgp_flag_init(hw);
/* Init IO handler */
_rtl_usb_io_handler_init(&udev->dev, hw);
rtlpriv->cfg->ops->read_chip_version(hw);
/*like read eeprom and so on */
rtlpriv->cfg->ops->read_eeprom_info(hw);
err = _rtl_usb_init(hw);
if (err)
goto error_out;
rtl_usb_init_sw(hw);
/* Init mac80211 sw */
err = rtl_init_core(hw);
if (err) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"Can't allocate sw for mac80211\n");
goto error_out;
}
if (rtlpriv->cfg->ops->init_sw_vars(hw)) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Can't init_sw_vars\n");
goto error_out;
}
rtlpriv->cfg->ops->init_sw_leds(hw);
err = rtl_mac80211_init(hw);
if (err)
goto error_out;
set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status);
return 0;
error_out:
rtl_mac80211_deinit(hw);
rtl_deinit_core(hw);
_rtl_usb_io_handler_release(hw);
usb_put_dev(udev);
complete(&rtlpriv->firmware_loading_complete);
return -ENODEV;
}
