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Revision 2dd7c8cf29769f6b66f26b501db2364640c2c9d0 authored by Oliver Neukum on 18 December 2012, 04:45:52 UTC, committed by David S. Miller on 19 December 2012, 20:46:40 UTC 
usbnet: generic manage_power()
 
Centralise common code for manage_power() in usbnet
by making a generic simple implementation

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent a1c088e
Raw File
gcd.c 
#include <linux/kernel.h>
#include <linux/gcd.h>
#include <linux/export.h>

/* Greatest common divisor */
unsigned long gcd(unsigned long a, unsigned long b)
{
	unsigned long r;

	if (a < b)
		swap(a, b);

	if (!b)
		return a;
	while ((r = a % b) != 0) {
		a = b;
		b = r;
	}
	return b;
}
EXPORT_SYMBOL_GPL(gcd);
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