From 029c7d225aa431fa09af97e855e3d12d5aed8a6c Mon Sep 17 00:00:00 2001
From: Malcolm Priestley <tvboxspy@gmail.com>
Date: Wed, 29 Oct 2014 17:55:43 +0000
Subject: [PATCH] staging: vt6655L remove tether.c functions

remove
ETHbyGetHashIndexByCrc32
ETHbIsBufferCrc32Ok

tether.h header will be removed later

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/staging/vt6655/Makefile |   1 -
 drivers/staging/vt6655/tether.c | 105 --------------------------------
 drivers/staging/vt6655/tether.h |   4 --
 3 files changed, 110 deletions(-)
 delete mode 100644 drivers/staging/vt6655/tether.c

diff --git a/drivers/staging/vt6655/Makefile b/drivers/staging/vt6655/Makefile
index d571e6f46ade..1a5876deba8e 100644
--- a/drivers/staging/vt6655/Makefile
+++ b/drivers/staging/vt6655/Makefile
@@ -14,7 +14,6 @@ vt6655_stage-y +=	device_main.o \
 	power.o \
 	srom.o \
 	mib.o \
-	tether.o \
 	tcrc.o \
 	key.o \
 	rf.o
diff --git a/drivers/staging/vt6655/tether.c b/drivers/staging/vt6655/tether.c
deleted file mode 100644
index 1e7d3e2115a9..000000000000
--- a/drivers/staging/vt6655/tether.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (c) 2003 VIA Networking, Inc. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- *
- * File: tether.c
- *
- * Purpose:
- *
- * Author: Tevin Chen
- *
- * Date: May 21, 1996
- *
- * Functions:
- *      ETHbyGetHashIndexByCrc32 - Calculate multicast hash value by CRC32
- *      ETHbIsBufferCrc32Ok - Check CRC value of the buffer if Ok or not
- *
- * Revision History:
- *
- */
-
-#include "device.h"
-#include "tmacro.h"
-#include "tcrc.h"
-#include "tether.h"
-
-/*---------------------  Static Definitions -------------------------*/
-
-/*---------------------  Static Classes  ----------------------------*/
-
-/*---------------------  Static Variables  --------------------------*/
-
-/*---------------------  Static Functions  --------------------------*/
-
-/*---------------------  Export Variables  --------------------------*/
-
-/*
- * Description: Calculate multicast hash value by CRC32
- *
- * Parameters:
- *  In:
- *		pbyMultiAddr    - Multicast Address
- *  Out:
- *      none
- *
- * Return Value: Hash value
- *
- */
-unsigned char ETHbyGetHashIndexByCrc32(unsigned char *pbyMultiAddr)
-{
-	int     ii;
-	unsigned char byTmpHash;
-	unsigned char byHash = 0;
-
-	// get the least 6-bits from CRC generator
-	byTmpHash = (unsigned char)(CRCdwCrc32(pbyMultiAddr, ETH_ALEN,
-					       0xFFFFFFFFL) & 0x3F);
-	// reverse most bit to least bit
-	for (ii = 0; ii < (sizeof(byTmpHash) * 8); ii++) {
-		byHash <<= 1;
-		if (byTmpHash & 0x01)
-			byHash |= 1;
-		byTmpHash >>= 1;
-	}
-
-	// adjust 6-bits to the right most
-	return byHash >> 2;
-}
-
-/*
- * Description: Check CRC value of the buffer if Ok or not
- *
- * Parameters:
- *  In:
- *		pbyBuffer	    - pointer of buffer (normally is rx buffer)
- *		cbFrameLength	- length of buffer, including CRC portion
- *  Out:
- *      none
- *
- * Return Value: true if ok; false if error.
- *
- */
-bool ETHbIsBufferCrc32Ok(unsigned char *pbyBuffer, unsigned int cbFrameLength)
-{
-	unsigned long dwCRC;
-
-	dwCRC = CRCdwGetCrc32(pbyBuffer, cbFrameLength - 4);
-	if (cpu_to_le32(*((unsigned long *)(pbyBuffer + cbFrameLength - 4))) != dwCRC)
-		return false;
-
-	return true;
-}
diff --git a/drivers/staging/vt6655/tether.h b/drivers/staging/vt6655/tether.h
index 94cc8830d8cc..850554c3e762 100644
--- a/drivers/staging/vt6655/tether.h
+++ b/drivers/staging/vt6655/tether.h
@@ -185,8 +185,4 @@ S802_11Header, *PS802_11Header;
 
 /*---------------------  Export Functions  --------------------------*/
 
-unsigned char ETHbyGetHashIndexByCrc32(unsigned char *pbyMultiAddr);
-//unsigned char ETHbyGetHashIndexByCrc(unsigned char *pbyMultiAddr);
-bool ETHbIsBufferCrc32Ok(unsigned char *pbyBuffer, unsigned int cbFrameLength);
-
 #endif // __TETHER_H__
-- 
2.20.1