From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757389Ab2DIP0M (ORCPT ); Mon, 9 Apr 2012 11:26:12 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:56412 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757256Ab2DIP0K (ORCPT ); Mon, 9 Apr 2012 11:26:10 -0400 Message-ID: <1333985163.9076.3.camel@phoenix> Subject: [PATCH] regulator: twl-regulator: Use DIV_ROUND_UP at appropriate places From: Axel Lin To: linux-kernel@vger.kernel.org Cc: Peter Ujfalusi , Rajendra Nayak , Tero Kristo , Liam Girdwood , Mark Brown Date: Mon, 09 Apr 2012 23:26:03 +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 Signed-off-by: Axel Lin --- drivers/regulator/twl-regulator.c | 24 ++++-------------------- 1 files changed, 4 insertions(+), 20 deletions(-) diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 964946f..bc5e21c 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -806,11 +806,7 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, vsel = 0; else if ((min_uV >= 600000) && (min_uV <= 1300000)) { int calc_uV; - vsel = (min_uV - 600000) / 125; - if (vsel % 100) - vsel += 100; - vsel /= 100; - vsel++; + vsel = DIV_ROUND_UP(min_uV - 600000, 12500); calc_uV = twl6030smps_list_voltage(rdev, vsel); if (calc_uV > max_uV) return -EINVAL; @@ -836,11 +832,7 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, vsel = 0; else if ((min_uV >= 700000) && (min_uV <= 1420000)) { int calc_uV; - vsel = (min_uV - 700000) / 125; - if (vsel % 100) - vsel += 100; - vsel /= 100; - vsel++; + vsel = DIV_ROUND_UP(min_uV - 700000, 12500); calc_uV = twl6030smps_list_voltage(rdev, vsel); if (calc_uV > max_uV) return -EINVAL; @@ -865,22 +857,14 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, if (min_uV == 0) vsel = 0; else if ((min_uV >= 1852000) && (max_uV <= 4013600)) { - vsel = (min_uV - 1852000) / 386; - if (vsel % 100) - vsel += 100; - vsel /= 100; - vsel++; + vsel = DIV_ROUND_UP(min_uV - 1852000, 38600); } break; case SMPS_OFFSET_EN|SMPS_EXTENDED_EN: if (min_uV == 0) vsel = 0; else if ((min_uV >= 2161000) && (max_uV <= 4321000)) { - vsel = (min_uV - 2161000) / 386; - if (vsel % 100) - vsel += 100; - vsel /= 100; - vsel++; + vsel = DIV_ROUND_UP(min_uV - 2161000, 38600); } break; } -- 1.7.5.4