diff --git a/drivers/staging/rtl8723bs/core/rtw_io.c b/drivers/staging/rtl8723bs/core/rtw_io.c
index 4f66b961ef61..6de549e90999 100644
--- a/drivers/staging/rtl8723bs/core/rtw_io.c
+++ b/drivers/staging/rtl8723bs/core/rtw_io.c
@@ -135,7 +135,7 @@ u8 _rtw_sd_f0_read8(struct adapter *adapter, u32 addr)
 	return r_val;
 }
 
-u32 _rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
+u32 rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
 {
 	u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
 	struct io_priv *pio_priv = &adapter->iopriv;
diff --git a/drivers/staging/rtl8723bs/include/rtw_io.h b/drivers/staging/rtl8723bs/include/rtw_io.h
index 3ba413ed3098..48e1352ac48a 100644
--- a/drivers/staging/rtl8723bs/include/rtw_io.h
+++ b/drivers/staging/rtl8723bs/include/rtw_io.h
@@ -180,9 +180,7 @@ extern int rtw_write32(struct adapter *adapter, u32 addr, u32 val);
 
 extern u8 _rtw_sd_f0_read8(struct adapter *adapter, u32 addr);
 
-extern u32 _rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
-
-#define rtw_write_port(adapter, addr, cnt, mem) _rtw_write_port((adapter), (addr), (cnt), (mem))
+extern u32 rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
 
 #define rtw_sd_f0_read8(adapter, addr) _rtw_sd_f0_read8((adapter), (addr))