summaryrefslogtreecommitdiffstats
path: root/kernel/arch/sh/lib/div64-generic.c
blob: 60e76aa8b53eceb6aaac7edf548c4c3a857d5827 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
/*
 * Generic __div64_32 wrapper for __xdiv64_32.
 */

#include <linux/types.h>
#include <asm/div64.h>

extern uint64_t __xdiv64_32(u64 n, u32 d);

uint32_t __div64_32(u64 *xp, u32 y)
{
	uint32_t rem;
	uint64_t q = __xdiv64_32(*xp, y);

	rem = *xp - q * y;
	*xp = q;

	return rem;
}