linux-kernel - [PATCH 1/2] CRISv10: delete unused lib/old

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Date:	Fri, 22 May 2015 20:58:48 +0200
From:	Rabin Vincent <rabin@....in>
To:	jesper.nilsson@...s.com
Cc:	linux-kernel@...r.kernel.org, linux-cris-kernel@...s.com,
	Rabin Vincent <rabin@....in>
Subject: [PATCH 1/2] CRISv10: delete unused lib/old_checksum.c

This file is never built.

Signed-off-by: Rabin Vincent <rabin@....in>
---
 arch/cris/arch-v10/lib/old_checksum.c | 86 -----------------------------------
 1 file changed, 86 deletions(-)
 delete mode 100644 arch/cris/arch-v10/lib/old_checksum.c

diff --git a/arch/cris/arch-v10/lib/old_checksum.c b/arch/cris/arch-v10/lib/old_checksum.c
deleted file mode 100644
index 8f79163..0000000
--- a/arch/cris/arch-v10/lib/old_checksum.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * INET		An implementation of the TCP/IP protocol suite for the LINUX
- *		operating system.  INET is implemented using the  BSD Socket
- *		interface as the means of communication with the user level.
- *
- *		IP/TCP/UDP checksumming routines
- *
- * Authors:	Jorge Cwik, <jorge@...er.satlink.net>
- *		Arnt Gulbrandsen, <agulbra@....unit.no>
- *		Tom May, <ftom@...com.com>
- *		Lots of code moved from tcp.c and ip.c; see those files
- *		for more names.
- *
- *		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.
- */
-
-#include <net/checksum.h>
-#include <net/module.h>
-
-#undef PROFILE_CHECKSUM
-
-#ifdef PROFILE_CHECKSUM
-/* these are just for profiling the checksum code with an oscillioscope.. uh */
-#if 0
-#define BITOFF *((unsigned char *)0xb0000030) = 0xff
-#define BITON *((unsigned char *)0xb0000030) = 0x0
-#endif
-#include <asm/io.h>
-#define CBITON LED_ACTIVE_SET(1)
-#define CBITOFF LED_ACTIVE_SET(0)
-#define BITOFF
-#define BITON
-#else
-#define BITOFF
-#define BITON
-#define CBITOFF
-#define CBITON
-#endif
-
-/*
- * computes a partial checksum, e.g. for TCP/UDP fragments
- */
-
-#include <asm/delay.h>
-
-__wsum csum_partial(const void *p, int len, __wsum __sum)
-{
-	u32 sum = (__force u32)__sum;
-	const u16 *buff = p;
-	/*
-	* Experiments with ethernet and slip connections show that buff
-	* is aligned on either a 2-byte or 4-byte boundary.
-	*/
-	const void *endMarker = p + len;
-	const void *marker = endMarker - (len % 16);
-#if 0
-	if((int)buff & 0x3)
-		printk("unaligned buff %p\n", buff);
-	__delay(900); /* extra delay of 90 us to test performance hit */
-#endif
-	BITON;
-	while (buff < marker) {
-		sum += *buff++;
-		sum += *buff++;
-		sum += *buff++;
-		sum += *buff++;
-		sum += *buff++;
-		sum += *buff++;
-		sum += *buff++;
-		sum += *buff++;
-	}
-	marker = endMarker - (len % 2);
-	while (buff < marker)
-		sum += *buff++;
-
-	if (endMarker > buff)
-		sum += *(const u8 *)buff;	/* add extra byte separately */
-
-	BITOFF;
-	return (__force __wsum)sum;
-}
-
-EXPORT_SYMBOL(csum_partial);
-- 
2.1.4

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