netdev - Re: [patch 2/2] div64

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Message-ID: <20070306194632.GA28949@linux-mips.org>
Date:	Tue, 6 Mar 2007 19:46:32 +0000
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	akpm@...ux-foundation.org
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	shemminger@...ux-foundation.org, chris@...kel.net,
	geert@...ux-m68k.org, jdike@...toit.com, rmk@....linux.org.uk,
	zippel@...ux-m68k.org
Subject: Re: [patch 2/2] div64_64: common code

On Tue, Mar 06, 2007 at 02:42:28AM -0800, akpm@...ux-foundation.org wrote:

> Implement div64_64(): 64-bit by 64-bit division.  Needed by networking (at
> least).

Your patch only implements div64_64() for 32-bit MIPS.  Below patch adds
the trivial 64-bit bits.

  Ralf

Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>

 include/asm-mips/div64.h |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Index: linux-mips/include/asm-mips/div64.h
===================================================================
--- linux-mips.orig/include/asm-mips/div64.h
+++ linux-mips/include/asm-mips/div64.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (C) 2000, 2004  Maciej W. Rozycki
- * Copyright (C) 2003 Ralf Baechle
+ * Copyright (C) 2003, 07 Ralf Baechle (ralf@...ux-mips.org)
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -105,6 +105,11 @@ extern uint64_t div64_64(uint64_t divide
 	(n) = __quot; \
 	__mod; })
 
+static inline uint64_t div64_64(uint64_t dividend, uint64_t divisor)
+{
+	return dividend / divisor;
+}
+
 #endif /* (_MIPS_SZLONG == 64) */
 
 #endif /* _ASM_DIV64_H */
-
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