The crc16 functions in ubifs are unused, so remove them.
(They were only used in the LPT functions which are completely removed
for the barebox readonly implementation)
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
fs/ubifs/Makefile | 2 +-
fs/ubifs/crc16.c | 60 -------------------------------------------
fs/ubifs/crc16.h | 29 ---------------------
fs/ubifs/lpt_commit.c | 1 -
4 files changed, 1 insertion(+), 91 deletions(-)
delete mode 100644 fs/ubifs/crc16.c
delete mode 100644 fs/ubifs/crc16.h
diff --git a/fs/ubifs/Makefile b/fs/ubifs/Makefile
index 7d376dab0d..d8c4b2299e 100644
--- a/fs/ubifs/Makefile
+++ b/fs/ubifs/Makefile
@@ -1,4 +1,4 @@
obj-y += ubifs.o io.o super.o sb.o master.o
obj-y += scan.o dir.o misc.o
-obj-y += tnc.o tnc_misc.o debug.o crc16.o
+obj-y += tnc.o tnc_misc.o debug.o
obj-y += log.o recovery.o replay.o
diff --git a/fs/ubifs/crc16.c b/fs/ubifs/crc16.c
deleted file mode 100644
index 443ccf855d..0000000000
--- a/fs/ubifs/crc16.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * crc16.c
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2. See the file COPYING for more details.
- */
-
-#include <linux/types.h>
-#include "crc16.h"
-
-/** CRC table for the CRC-16. The poly is 0x8005 (x^16 + x^15 + x^2 + 1) */
-u16 const crc16_table[256] = {
- 0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
- 0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
- 0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
- 0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
- 0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
- 0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
- 0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
- 0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
- 0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
- 0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
- 0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
- 0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
- 0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
- 0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
- 0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
- 0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
- 0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
- 0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
- 0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
- 0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
- 0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
- 0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
- 0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
- 0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
- 0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
- 0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
- 0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
- 0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
- 0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
- 0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
- 0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
- 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
-};
-
-/**
- * crc16 - compute the CRC-16 for the data buffer
- * @crc: previous CRC value
- * @buffer: data pointer
- * @len: number of bytes in the buffer
- *
- * Returns the updated CRC value.
- */
-u16 crc16(u16 crc, u8 const *buffer, size_t len)
-{
- while (len--)
- crc = crc16_byte(crc, *buffer++);
- return crc;
-}
diff --git a/fs/ubifs/crc16.h b/fs/ubifs/crc16.h
deleted file mode 100644
index 052fd3311a..0000000000
--- a/fs/ubifs/crc16.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * crc16.h - CRC-16 routine
- *
- * Implements the standard CRC-16:
- * Width 16
- * Poly 0x8005 (x^16 + x^15 + x^2 + 1)
- * Init 0
- *
- * Copyright (c) 2005 Ben Gardner <bgardner@xxxxxxxxxx>
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2. See the file COPYING for more details.
- */
-
-#ifndef __CRC16_H
-#define __CRC16_H
-
-#include <linux/types.h>
-
-extern u16 const crc16_table[256];
-
-extern u16 crc16(u16 crc, const u8 *buffer, size_t len);
-
-static inline u16 crc16_byte(u16 crc, const u8 data)
-{
- return (crc >> 8) ^ crc16_table[(crc ^ data) & 0xff];
-}
-
-#endif /* __CRC16_H */
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index d4fb901c7c..2764a418fa 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -26,7 +26,6 @@
*/
#include <linux/err.h>
-#include "crc16.h"
#include "ubifs.h"
/*
--
2.20.1
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