From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754666Ab2CLCMr (ORCPT ); Sun, 11 Mar 2012 22:12:47 -0400 Received: from mail-iy0-f174.google.com ([209.85.210.174]:50303 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754401Ab2CLCMl (ORCPT ); Sun, 11 Mar 2012 22:12:41 -0400 Message-ID: <1331518354.2558.3.camel@phoenix> Subject: [PATCH] mfd: sm501: Use DIV_ROUND_CLOSEST From: Axel Lin To: linux-kernel@vger.kernel.org Cc: Ben Dooks , Samuel Ortiz Date: Mon, 12 Mar 2012 10:12:34 +0800 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.2- Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use DIV_ROUND_CLOSEST to replace sm501fb_round_div function. Signed-off-by: Axel Lin --- drivers/mfd/sm501.c | 10 +--------- 1 files changed, 1 insertions(+), 9 deletions(-) diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index f4d8611..d927dd4 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -387,14 +387,6 @@ int sm501_unit_power(struct device *dev, unsigned int unit, unsigned int to) EXPORT_SYMBOL_GPL(sm501_unit_power); - -/* Perform a rounded division. */ -static long sm501fb_round_div(long num, long denom) -{ - /* n / d + 1 / 2 = (2n + d) / 2d */ - return (2 * num + denom) / (2 * denom); -} - /* clock value structure. */ struct sm501_clock { unsigned long mclk; @@ -428,7 +420,7 @@ static int sm501_calc_clock(unsigned long freq, /* try all 8 shift values.*/ for (shift = 0; shift < 8; shift++) { /* Calculate difference to requested clock */ - diff = sm501fb_round_div(mclk, divider << shift) - freq; + diff = DIV_ROUND_CLOSEST(mclk, divider << shift) - freq; if (diff < 0) diff = -diff; -- 1.7.5.4