staging: rtl8723bs: Remove rtw_hal_c2h_evt_read()

Modify call sites of rtw_hal_c2h_evt_read to call c2h_evt_read_88xx
instead, as rtw_hal_c2h_evt_read does nothing except call
c2h_evt_read_88xx.
Remove function rtw_hal_c2h_evt_read as it is now not necessary.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_cmd.c

@@ -1918,7 +1918,7 @@ static void c2h_wk_callback(_workitem *work)
 			c2h_evt = rtw_malloc(16);
 			if (c2h_evt != NULL) {
 				/* This C2H event is not read, read & clear now */
-				if (rtw_hal_c2h_evt_read(adapter, c2h_evt) != _SUCCESS) {
+				if (c2h_evt_read_88xx(adapter, c2h_evt) != _SUCCESS) {
 					kfree(c2h_evt);
 					continue;
 				}

drivers/staging/rtl8723bs/hal/hal_intf.c

@@ -400,11 +400,6 @@ bool rtw_hal_c2h_valid(struct adapter *adapter, u8 *buf)
 	return c2h_evt_valid((struct c2h_evt_hdr_88xx *)buf);
 }
 
-s32 rtw_hal_c2h_evt_read(struct adapter *adapter, u8 *buf)
-{
-	return c2h_evt_read_88xx(adapter, buf);
-}
-
 s32 rtw_hal_c2h_handler(struct adapter *adapter, u8 *c2h_evt)
 {
 	s32 ret = _FAIL;

drivers/staging/rtl8723bs/hal/sdio_ops.c

@@ -1025,7 +1025,7 @@ void sd_int_dpc(struct adapter *adapter)
 		DBG_8192C("%s: C2H Command\n", __func__);
 		c2h_evt = rtw_zmalloc(16);
 		if (c2h_evt) {
-			if (rtw_hal_c2h_evt_read(adapter, (u8 *)c2h_evt) == _SUCCESS) {
+			if (c2h_evt_read_88xx(adapter, (u8 *)c2h_evt) == _SUCCESS) {
 				if (c2h_id_filter_ccx_8723b((u8 *)c2h_evt)) {
 					/* Handle CCX report here */
 					rtw_hal_c2h_handler(adapter, (u8 *)c2h_evt);

drivers/staging/rtl8723bs/include/hal_intf.h

@@ -388,7 +388,6 @@ void rtw_hal_notch_filter(struct adapter * adapter, bool enable);
 void rtw_hal_reset_security_engine(struct adapter * adapter);
 
 bool rtw_hal_c2h_valid(struct adapter *adapter, u8 *buf);
-s32 rtw_hal_c2h_evt_read(struct adapter *adapter, u8 *buf);
 s32 rtw_hal_c2h_handler(struct adapter *adapter, u8 *c2h_evt);
 c2h_id_filter rtw_hal_c2h_id_filter_ccx(struct adapter *adapter);