staging: r8188eu: remove HW_VAR_BEACON_INTERVAL

Remove HW_VAR_BEACON_INTERVAL from SetHwReg8188EU() and call
rtw_write16() directly.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220130190321.7172-2-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_mlme_ext.c

@@ -7035,7 +7035,7 @@ void mlmeext_joinbss_event_callback(struct adapter *padapter, int join_res)
 	SetHwReg8188EU(padapter, HW_VAR_BASIC_RATE, cur_network->SupportedRates);
 
 	/* BCN interval */
-	SetHwReg8188EU(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&pmlmeinfo->bcn_interval));
+	rtw_write16(padapter, REG_BCN_INTERVAL, pmlmeinfo->bcn_interval);
 
 	/* udpate capability */
 	update_capinfo(padapter, pmlmeinfo->capability);

drivers/staging/r8188eu/hal/usb_halinit.c

@@ -1246,9 +1246,6 @@ void SetHwReg8188EU(struct adapter *Adapter, u8 variable, u8 *val)
 			rtw_write16(Adapter, REG_RL, RetryLimit << RETRY_LIMIT_SHORT_SHIFT | RetryLimit << RETRY_LIMIT_LONG_SHIFT);
 		}
 		break;
-	case HW_VAR_BEACON_INTERVAL:
-		rtw_write16(Adapter, REG_BCN_INTERVAL, *((u16 *)val));
-		break;
 	case HW_VAR_SLOT_TIME:
 		{
 			u8 u1bAIFS, aSifsTime;

drivers/staging/r8188eu/include/hal_intf.h

@@ -20,7 +20,6 @@ enum hw_variables {
 	HW_VAR_MLME_DISCONNECT,
 	HW_VAR_MLME_SITESURVEY,
 	HW_VAR_MLME_JOIN,
-	HW_VAR_BEACON_INTERVAL,
 	HW_VAR_SLOT_TIME,
 	HW_VAR_RESP_SIFS,
 	HW_VAR_ACK_PREAMBLE,