rtlwifi: Modify some USB de-initialize code.

Delete SET_USB_STOP macro and rtl_usb_deinit because
those are called twice in USB de-initialize routine.
Add some de-initialize workqueue function in USB disconnect routine.

Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 46ee956..f0188c8 100644 (file)
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -701,12 +701,18 @@ free:
 
 static void _rtl_usb_cleanup_rx(struct ieee80211_hw *hw)
 {
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
        struct urb *urb;
 
        usb_kill_anchored_urbs(&rtlusb->rx_submitted);
 
        tasklet_kill(&rtlusb->rx_work_tasklet);
+       cancel_work_sync(&rtlpriv->works.lps_change_work);
+
+       flush_workqueue(rtlpriv->works.rtl_wq);
+       destroy_workqueue(rtlpriv->works.rtl_wq);
+
        skb_queue_purge(&rtlusb->rx_queue);
 
        while ((urb = usb_get_from_anchor(&rtlusb->rx_cleanup_urbs))) {
@@ -794,8 +800,6 @@ static void rtl_usb_cleanup(struct ieee80211_hw *hw)
        struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
        struct ieee80211_tx_info *txinfo;
 
-       SET_USB_STOP(rtlusb);
-
        /* clean up rx stuff. */
        _rtl_usb_cleanup_rx(hw);
 
@@ -834,7 +838,6 @@ static void rtl_usb_stop(struct ieee80211_hw *hw)
        cancel_work_sync(&rtlpriv->works.fill_h2c_cmd);
        /* Enable software */
        SET_USB_STOP(rtlusb);
-       rtl_usb_deinit(hw);
        rtlpriv->cfg->ops->hw_disable(hw);
 }
 
@@ -1147,9 +1150,9 @@ void rtl_usb_disconnect(struct usb_interface *intf)
 
        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);
        /*ieee80211_unregister_hw will call ops_stop */
        if (rtlmac->mac80211_registered == 1) {
                ieee80211_unregister_hw(hw);