From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752385AbZHBIrN (ORCPT ); Sun, 2 Aug 2009 04:47:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752013AbZHBIrM (ORCPT ); Sun, 2 Aug 2009 04:47:12 -0400 Received: from mgw2.diku.dk ([130.225.96.92]:53295 "EHLO mgw2.diku.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750890AbZHBIrL (ORCPT ); Sun, 2 Aug 2009 04:47:11 -0400 Date: Sun, 2 Aug 2009 10:45:39 +0200 (CEST) From: Julia Lawall To: hsweeten@visionengravers.com, ryan@bluewatersys.com, linux-arm-kernel@lists.arm.linux.org.uk, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH 4/15] arch/arm/mach-ep93xx: Use DIV_ROUND_CLOSEST Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Julia Lawall The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d but is perhaps more readable. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // @haskernel@ @@ #include @depends on haskernel@ expression x,__divisor; @@ - (((x) + ((__divisor) / 2)) / (__divisor)) + DIV_ROUND_CLOSEST(x,__divisor) // Signed-off-by: Julia Lawall --- arch/arm/mach-ep93xx/core.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 4075529..16b92c3 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -82,7 +82,7 @@ void __init ep93xx_map_io(void) */ static unsigned int last_jiffy_time; -#define TIMER4_TICKS_PER_JIFFY ((CLOCK_TICK_RATE + (HZ/2)) / HZ) +#define TIMER4_TICKS_PER_JIFFY DIV_ROUND_CLOSEST(CLOCK_TICK_RATE, HZ) static irqreturn_t ep93xx_timer_interrupt(int irq, void *dev_id) {