[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: Hitoshi Yamamoto <hitoshiy@isl.melco.co.jp>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-m32r/div64.h

-#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>