#ifndef _ASM_GENERIC_DIV64_H
  #define _ASM_GENERIC_DIV64_H
  /*
   * Copyright (C) 2003 Bernardo Innocenti <bernie@develer.com>
   * Based on former asm-ppc/div64.h and asm-m68knommu/div64.h
   *
   * The semantics of do_div() are:
   *
   * uint32_t do_div(uint64_t *n, uint32_t base)
   * {

   *	uint32_t remainder = *n % base;
   *	*n = *n / base;
   *	return remainder;

   * }
   *
   * NOTE: macro parameter n is evaluated multiple times,
   *       beware of side effects!
   */
  
  #include <linux/types.h>
  
  extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
  
  /* The unnecessary pointer compare is there
   * to check for type safety (n must be 64bit)
   */
  # define do_div(n,base) ({				\
  	uint32_t __base = (base);			\
  	uint32_t __rem;					\
  	(void)(((typeof((n)) *)0) == ((uint64_t *)0));	\
  	if (((n) >> 32) == 0) {			\
  		__rem = (uint32_t)(n) % __base;		\
  		(n) = (uint32_t)(n) / __base;		\

  	} else						\

  		__rem = __div64_32(&(n), __base);	\
  	__rem;						\
   })

  /* Wrapper for do_div(). Doesn't modify dividend and returns
   * the result, not reminder.
   */
  static inline uint64_t lldiv(uint64_t dividend, uint32_t divisor)
  {
  	uint64_t __res = dividend;
  	do_div(__res, divisor);
  	return(__res);
  }

  #endif /* _ASM_GENERIC_DIV64_H */