From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from zoneX.GCU-Squad.org ([194.213.125.0]:25670 "EHLO services.gcu-squad.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752261Ab2IASyI (ORCPT ); Sat, 1 Sep 2012 14:54:08 -0400 Date: Sat, 1 Sep 2012 20:53:57 +0200 From: Jean Delvare To: LMML Cc: Andrew Morton , Guenter Roeck , Mauro Carvalho Chehab Subject: [PATCH] [media] mceusb: Optimize DIV_ROUND_CLOSEST call Message-ID: <20120901205357.1a75d8a1@endymion.delvare> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: DIV_ROUND_CLOSEST is faster if the compiler knows it will only be dealing with unsigned dividends. Signed-off-by: Jean Delvare Cc: Andrew Morton Cc: Guenter Roeck Cc: Mauro Carvalho Chehab --- 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