DIV_ROUND_CLOSEST is faster if the compiler knows it will only be dealing with unsigned dividends.
Signed-off-by: Jean Delvare <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Guenter Roeck <[email protected]> Cc: Mauro Carvalho Chehab <[email protected]> --- 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
