staging: r8188eu: remove rtw_efuse_access()

Function rtw_efuse_access() is not used, remove it. It is the only
user of the functions efuse_{read,write}8, remove these as well.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210922200420.9693-6-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_efuse.c

@@ -226,59 +226,6 @@ void efuse_WordEnableDataRead(u8 word_en, u8 *sourdata, u8 *targetdata)
 	}
 }
 
-static u8 efuse_read8(struct adapter *padapter, u16 address, u8 *value)
-{
-	return efuse_OneByteRead(padapter, address, value, false);
-}
-
-static u8 efuse_write8(struct adapter *padapter, u16 address, u8 *value)
-{
-	return efuse_OneByteWrite(padapter, address, *value, false);
-}
-
-/*
- * read/wirte raw efuse data
- */
-u8 rtw_efuse_access(struct adapter *padapter, u8 write, u16 start_addr, u16 cnts, u8 *data)
-{
-	int i = 0;
-	u16 real_content_len = 0, max_available_size = 0;
-	u8 res = _FAIL;
-	u8 (*rw8)(struct adapter *, u16, u8*);
-
-	rtl8188e_EFUSE_GetEfuseDefinition(padapter, EFUSE_WIFI, TYPE_EFUSE_REAL_CONTENT_LEN, (void *)&real_content_len, false);
-	rtl8188e_EFUSE_GetEfuseDefinition(padapter, EFUSE_WIFI, TYPE_AVAILABLE_EFUSE_BYTES_TOTAL, (void *)&max_available_size, false);
-
-	if (start_addr > real_content_len)
-		return _FAIL;
-
-	if (write) {
-		if ((start_addr + cnts) > max_available_size)
-			return _FAIL;
-		rw8 = &efuse_write8;
-	} else {
-		rw8 = &efuse_read8;
-	}
-
-	rtl8188e_EfusePowerSwitch(padapter, write, true);
-
-	/*  e-fuse one byte read / write */
-	for (i = 0; i < cnts; i++) {
-		if (start_addr >= real_content_len) {
-			res = _FAIL;
-			break;
-		}
-
-		res = rw8(padapter, start_addr++, data++);
-		if (_FAIL == res)
-			break;
-	}
-
-	rtl8188e_EfusePowerSwitch(padapter, write, false);
-
-	return res;
-}
-
 u8 rtw_efuse_map_read(struct adapter *padapter, u16 addr, u16 cnts, u8 *data)
 {
 	u16 mapLen = 0;

drivers/staging/r8188eu/include/rtw_efuse.h

@@ -101,8 +101,6 @@ extern u8 fakeBTEfuseInitMap[];
 extern u8 fakeBTEfuseModifiedMap[];
 /*------------------------Export global variable----------------------------*/
 
-u8 rtw_efuse_access(struct adapter *adapter, u8 read, u16 start_addr,
-		    u16 cnts, u8 *data);
 u8 rtw_efuse_map_read(struct adapter *adapter, u16 addr, u16 cnts, u8 *data);
 u8 rtw_efuse_map_write(struct adapter *adapter, u16 addr, u16 cnts, u8 *data);
 u8 rtw_BT_efuse_map_read(struct adapter *adapter, u16 addr,