arch/sh/lib/div64-generic.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Generic __div64_32 wrapper for __xdiv64_32.
   4  */
   5
   6 #include <linux/types.h>
   7 #include <asm/div64.h>
   8
   9 extern uint64_t __xdiv64_32(u64 n, u32 d);
  10
  11 uint32_t __div64_32(u64 *xp, u32 y)
  12 {
  13         uint32_t rem;
  14         uint64_t q = __xdiv64_32(*xp, y);
  15
  16         rem = *xp - q * y;
  17         *xp = q;
  18
  19         return rem;
  20 }