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; }