From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758226Ab2CFB4L (ORCPT ); Mon, 5 Mar 2012 20:56:11 -0500 Received: from mail-pz0-f52.google.com ([209.85.210.52]:46373 "EHLO mail-pz0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758110Ab2CFB4K (ORCPT ); Mon, 5 Mar 2012 20:56:10 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of axel.lin@gmail.com designates 10.68.194.3 as permitted sender) smtp.mail=axel.lin@gmail.com; dkim=pass header.i=axel.lin@gmail.com Message-ID: <1330998965.3708.3.camel@phoenix> Subject: [PATCH 2/2] regulator: wm8400: Use DIV_ROUND_UP macro to calculate selector From: Axel Lin To: linux-kernel@vger.kernel.org Cc: Mark Brown , Liam Girdwood Date: Tue, 06 Mar 2012 09:56:05 +0800 In-Reply-To: <1330998862.3708.1.camel@phoenix> References: <1330998862.3708.1.camel@phoenix> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.1- 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_UP macro for better readability. Signed-off-by: Axel Lin --- drivers/regulator/wm8400-regulator.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c index 706f395..8477153 100644 --- a/drivers/regulator/wm8400-regulator.c +++ b/drivers/regulator/wm8400-regulator.c @@ -78,14 +78,14 @@ static int wm8400_ldo_set_voltage(struct regulator_dev *dev, if (min_uV < 1700000) { /* Steps of 50mV from 900mV; */ - val = (min_uV - 850001) / 50000; + val = DIV_ROUND_UP(min_uV - 900000, 50000); if ((val * 50000) + 900000 > max_uV) return -EINVAL; BUG_ON((val * 50000) + 900000 < min_uV); } else { /* Steps of 100mV from 1700mV */ - val = ((min_uV - 1600001) / 100000); + val = DIV_ROUND_UP(min_uV - 1700000, 100000); if ((val * 100000) + 1700000 > max_uV) return -EINVAL; @@ -168,7 +168,7 @@ static int wm8400_dcdc_set_voltage(struct regulator_dev *dev, if (min_uV < 850000) return -EINVAL; - val = (min_uV - 825001) / 25000; + val = DIV_ROUND_UP(min_uV - 850000, 25000); if (850000 + (25000 * val) > max_uV) return -EINVAL; -- 1.7.5.4