staging: r8188eu: remove empty function rtl8188e_stop_thread()

Remove empty function rtl8188e_stop_thread() and related code.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210906190223.11396-36-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/hal_intf.c

@@ -151,13 +151,6 @@ void rtw_hal_update_ra_mask(struct adapter *adapt, u32 mac_id, u8 rssi_level)
 	}
 }
 
-/*	Start specifical interface thread		*/
-void rtw_hal_stop_thread(struct adapter *adapt)
-{
-	if (adapt->HalFunc.cancel_thread)
-		adapt->HalFunc.cancel_thread(adapt);
-}
-
 u32 rtw_hal_read_bbreg(struct adapter *adapt, u32 regaddr, u32 bitmask)
 {
 	u32 data = 0;

drivers/staging/r8188eu/hal/rtl8188e_hal_init.c

@@ -1748,10 +1748,6 @@ void rtl8188e_clone_haldata(struct adapter *dst_adapter, struct adapter *src_ada
 	memcpy(dst_adapter->HalData, src_adapter->HalData, dst_adapter->hal_data_sz);
 }
 
-void rtl8188e_stop_thread(struct adapter *padapter)
-{
-}
-
 static void hal_notch_filter_8188e(struct adapter *adapter, bool enable)
 {
 	if (enable) {
@@ -1766,8 +1762,6 @@ void rtl8188e_set_hal_ops(struct hal_ops *pHalFunc)
 {
 	pHalFunc->free_hal_data = &rtl8188e_free_hal_data;
 
-	pHalFunc->cancel_thread = &rtl8188e_stop_thread;
-
 	pHalFunc->read_bbreg = &rtl8188e_PHY_QueryBBReg;
 	pHalFunc->write_bbreg = &rtl8188e_PHY_SetBBReg;
 	pHalFunc->read_rfreg = &rtl8188e_PHY_QueryRFReg;

drivers/staging/r8188eu/include/hal_intf.h

@@ -153,8 +153,6 @@ struct hal_ops {
 				       u32 mac_id, u8 rssi_level);
 	void	(*SetBeaconRelatedRegistersHandler)(struct adapter *padapter);
 
-	void	(*cancel_thread)(struct adapter *adapter);
-
 	s32	(*hal_xmit)(struct adapter *padapter,
 			    struct xmit_frame *pxmitframe);
 	s32 (*mgnt_xmit)(struct adapter *padapter,
@@ -236,7 +234,6 @@ void	rtw_hal_free_recv_priv(struct adapter *padapter);
 void rtw_hal_update_ra_mask(struct adapter *padapter, u32 mac_id, u8 level);
 void	rtw_hal_clone_data(struct adapter *dst_adapt,
 			   struct adapter *src_adapt);
-void	rtw_hal_stop_thread(struct adapter *padapter);
 
 void rtw_hal_bcn_related_reg_setting(struct adapter *padapter);
 

drivers/staging/r8188eu/include/rtl8188e_hal.h

@@ -439,7 +439,6 @@ void rtl8188e_set_hal_ops(struct hal_ops *pHalFunc);
 void rtl8188e_read_chip_version(struct adapter *padapter);
 
 void rtl8188e_clone_haldata(struct adapter *dst, struct adapter *src);
-void rtl8188e_stop_thread(struct adapter *padapter);
 
 void rtw_IOL_cmd_tx_pkt_buf_dump(struct adapter  *Adapter, int len);
 s32 rtl8188e_iol_efuse_patch(struct adapter *padapter);

drivers/staging/r8188eu/os_dep/os_intfs.c

@@ -742,8 +742,6 @@ void rtw_stop_drv_threads(struct adapter *padapter)
 	up(&padapter->cmdpriv.cmd_queue_sema);
 	if (padapter->cmdThread)
 		_rtw_down_sema(&padapter->cmdpriv.terminate_cmdthread_sema);
-
-	rtw_hal_stop_thread(padapter);
 }
 
 static u8 rtw_init_default_value(struct adapter *padapter)