[linux.git] / lib / reciprocal_div.c

#include <asm/div64.h>
#include <linux/reciprocal_div.h>
#include <linux/export.h>

u32 reciprocal_value(u32 k)
{
	u64 val = (1LL << 32) + (k - 1);
	do_div(val, k);
	return (u32)val;
}
EXPORT_SYMBOL(reciprocal_value);
Commit	Line	Data
6a2d7a95 ED	1	#include <asm/div64.h>
6a2d7a95 ED	2	#include <linux/reciprocal_div.h>
8af2a218	3	#include <linux/export.h>
6a2d7a95 ED	4
	5	u32 reciprocal_value(u32 k)
	6	{
	7	u64 val = (1LL << 32) + (k - 1);
	8	do_div(val, k);
	9	return (u32)val;
	10	}
8af2a218	11	EXPORT_SYMBOL(reciprocal_value);