On Sat, Sep 01, 2012 at 08:53:57PM +0200, Jean Delvare wrote: > DIV_ROUND_CLOSEST is faster if the compiler knows it will only be > dealing with unsigned dividends. > > Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Guenter Roeck <linux@xxxxxxxxxxxx> > Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx> Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > drivers/media/rc/mceusb.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > --- linux-3.6-rc3.orig/drivers/media/rc/mceusb.c 2012-08-04 21:49:27.000000000 +0200 > +++ linux-3.6-rc3/drivers/media/rc/mceusb.c 2012-09-01 18:53:32.053042123 +0200 > @@ -627,7 +627,7 @@ static void mceusb_dev_printdata(struct > break; > case MCE_RSP_EQIRCFS: > period = DIV_ROUND_CLOSEST( > - (1 << data1 * 2) * (data2 + 1), 10); > + (1U << data1 * 2) * (data2 + 1), 10); > if (!period) > break; > carrier = (1000 * 1000) / period; > > > -- > Jean Delvare > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
