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Commit 5757b284 authored by Hirokazu Takata's avatar Hirokazu Takata Committed by Linus Torvalds
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[PATCH] m32r: Use asm-generic/div64.h 



The current include/asm-m32r/div64.h of 2.6.12-rc5 looks buggy.  Here is a
patch for updating it to use asm-generic/div64.h for m32r like other
architectures.

Signed-off-by: default avatarHitoshi Yamamoto <hitoshiy@isl.melco.co.jp>
Signed-off-by: default avatarHirokazu Takata <takata@linux-m32r.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 960c2a89

include/asm-m32r/div64.h

+1 −38
Original line number Diff line number Diff line 
#ifndef _ASM_M32R_DIV64

#define _ASM_M32R_DIV64



/* $Id$ */



/* unsigned long long division.

 * Input:

 *  unsigned long long  n

 *  unsigned long  base

 * Output:

 *  n = n / base;

 *  return value = n % base;

 */

#define do_div(n, base)						\

({								\

	unsigned long _res, _high, _mid, _low;			\

								\

	_low = (n) & 0xffffffffUL;				\

	_high = (n) >> 32;					\

	if (_high) {						\

		_mid = (_high % (unsigned long)(base)) << 16;	\

		_high = _high / (unsigned long)(base);		\

		_mid += _low >> 16;				\

		_low &= 0x0000ffffUL;				\

		_low += (_mid % (unsigned long)(base)) << 16;	\

		_mid = _mid / (unsigned long)(base);		\

		_res = _low % (unsigned long)(base);		\

		_low = _low / (unsigned long)(base);		\

		n = _low + ((long long)_mid << 16) +		\

			((long long)_high << 32);		\

	} else {						\

		_res = _low % (unsigned long)(base);		\

		n = (_low / (unsigned long)(base));		\

	}							\

	_res;							\

})



#endif  /* _ASM_M32R_DIV64 */
 
#include <asm-generic/div64.h>