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Date:	Wed, 3 Jan 2007 21:29:36 +0100
From:	Ivo van Doorn <ivdoorn@...il.com>
To:	"John W. Linville" <linville@...driver.com>
Cc:	netdev@...r.kernel.org
Subject: [PATCH RESEND 4/4] rt2x00 should use generic crc-itu-t

This patch removes the crc-itu-t files from rt2x00
and makes sure rt2x00 will use the generic crc-itu-t
implementation inside the lib folder.

Signed-off-by Ivo van Doorn <IvDoorn@...il.com>

---

diff -rNU3 wireless-dev/drivers/net/wireless/d80211/rt2x00/Kconfig wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/Kconfig
--- wireless-dev/drivers/net/wireless/d80211/rt2x00/Kconfig	2007-01-03 21:02:41.000000000 +0100
+++ wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/Kconfig	2007-01-03 21:14:18.000000000 +0100
@@ -81,11 +81,3 @@
 	depends on RT73USB
 	---help---
 	Enable debugging output.
-
-config CRC_ITU_T
-	tristate "CRC ITU-T V.41 functions"
-	help
-	  This option is provided for the case where no in-kernel-tree
-	  modules require CRC ITU-T V.41 functions, but a module built outside
-	  the kernel tree does. Such modules that use library CRC ITU-T V.41
-	  functions require M here.
diff -rNU3 wireless-dev/drivers/net/wireless/d80211/rt2x00/Makefile wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/Makefile
--- wireless-dev/drivers/net/wireless/d80211/rt2x00/Makefile	2007-01-03 21:08:49.000000000 +0100
+++ wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/Makefile	2007-01-03 21:14:26.000000000 +0100
@@ -3,4 +3,3 @@
 obj-$(CONFIG_RT61PCI)		+= rt61pci.o
 obj-$(CONFIG_RT2500USB)		+= rt2500usb.o
 obj-$(CONFIG_RT73USB)		+= rt73usb.o
-obj-$(CONFIG_CRC_ITU_T)		+= crc-itu-t.o
diff -rNU3 wireless-dev/drivers/net/wireless/d80211/rt2x00/crc-itu-t.c wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/crc-itu-t.c
--- wireless-dev/drivers/net/wireless/d80211/rt2x00/crc-itu-t.c	2007-01-03 20:53:57.000000000 +0100
+++ wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/crc-itu-t.c	1970-01-01 01:00:00.000000000 +0100
@@ -1,66 +0,0 @@
-/*
- *	crc-itu-t.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 <linux/module.h>
-
-#include "crc-itu-t.h"
-
-MODULE_AUTHOR("http://rt2x00.serialmonkey.com");
-MODULE_DESCRIPTION("CRC ITU-T V.41 calculations");
-MODULE_LICENSE("GPL");
-
-/** CRC table for the CRC ITU-T V.41 0x0x1021 (x^16 + x^12 + x^15 + 1) */
-const u16 crc_itu_t_table[256] = {
-	0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
-	0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
-	0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
-	0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
-	0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
-	0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
-	0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
-	0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
-	0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
-	0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
-	0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
-	0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
-	0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
-	0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
-	0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
-	0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
-	0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
-	0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
-	0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
-	0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
-	0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
-	0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
-	0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
-	0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
-	0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
-	0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
-	0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
-	0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
-	0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
-	0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
-	0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
-	0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0
-};
-EXPORT_SYMBOL(crc_itu_t_table);
-
-/**
- * crc_itu_t - Compute the CRC-ITU-T for the data buffer
- * @crc: previous CRC value
- * @buffer: data pointer
- * @len: number of bytes in the buffer
- */
-u16 crc_itu_t(u16 crc, const u8 *buffer, size_t len)
-{
-	while (len--)
-		crc = crc_itu_t_byte(crc, *buffer++);
-	return crc;
-}
-EXPORT_SYMBOL(crc_itu_t);
diff -rNU3 wireless-dev/drivers/net/wireless/d80211/rt2x00/crc-itu-t.h wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/crc-itu-t.h
--- wireless-dev/drivers/net/wireless/d80211/rt2x00/crc-itu-t.h	2007-01-03 20:53:57.000000000 +0100
+++ wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/crc-itu-t.h	1970-01-01 01:00:00.000000000 +0100
@@ -1,27 +0,0 @@
-/*
- *	crc-itu-t.h - CRC ITU-T V.41 routine
- *
- * Implements the standard CRC ITU-T V.41:
- *   Width 16
- *   Poly  0x1021 (x^16 + x^12 + x^15 + 1)
- *   Init  0
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2. See the file COPYING for more details.
- */
-
-#ifndef CRC_ITU_T_H
-#define CRC_ITU_T_H
-
-#include <linux/types.h>
-
-extern u16 const crc_itu_t_table[256];
-
-extern u16 crc_itu_t(u16 crc, const u8 *buffer, size_t len);
-
-static inline u16 crc_itu_t_byte(u16 crc, const u8 data)
-{
-	return (crc << 8) ^ crc_itu_t_table[((crc >> 8) ^ data) & 0xff];
-}
-
-#endif /* CRC_ITU_T_H */
diff -rNU3 wireless-dev/drivers/net/wireless/d80211/rt2x00/rt61pci.c wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/rt61pci.c
--- wireless-dev/drivers/net/wireless/d80211/rt2x00/rt61pci.c	2007-01-03 21:03:29.000000000 +0100
+++ wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/rt61pci.c	2007-01-03 21:15:03.000000000 +0100
@@ -37,6 +37,7 @@
 #include <linux/wireless.h>
 #include <linux/eeprom_93cx6.h>
 #include <linux/firmware.h>
+#include <linux/crc-itu-t.h>
 
 #include <net/iw_handler.h>
 #include <net/d80211.h>
@@ -55,7 +56,6 @@
 #include "rt2x00.h"
 #include "rt2x00pci.h"
 #include "rt61pci.h"
-#include "crc-itu-t.h"
 
 /*
  * Register access.
diff -rNU3 wireless-dev/drivers/net/wireless/d80211/rt2x00/rt73usb.c wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/rt73usb.c
--- wireless-dev/drivers/net/wireless/d80211/rt2x00/rt73usb.c	2007-01-03 20:53:57.000000000 +0100
+++ wireless-dev_crc/drivers/net/wireless/d80211/rt2x00/rt73usb.c	2007-01-03 21:15:08.000000000 +0100
@@ -35,6 +35,7 @@
 #include <linux/etherdevice.h>
 #include <linux/wireless.h>
 #include <linux/firmware.h>
+#include <linux/crc-itu-t.h>
 
 #include <net/iw_handler.h>
 #include <net/d80211.h>
@@ -51,7 +52,6 @@
 #include "rt2x00.h"
 #include "rt2x00usb.h"
 #include "rt73usb.h"
-#include "crc-itu-t.h"
 
 /*
  * Register access.
-
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