From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C0758C4360F for ; Wed, 3 Apr 2019 15:16:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F9122075E for ; Wed, 3 Apr 2019 15:16:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kMpx6Ttn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726785AbfDCPQM (ORCPT ); Wed, 3 Apr 2019 11:16:12 -0400 Received: from mail-ot1-f67.google.com ([209.85.210.67]:33234 "EHLO mail-ot1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726074AbfDCPQL (ORCPT ); Wed, 3 Apr 2019 11:16:11 -0400 Received: by mail-ot1-f67.google.com with SMTP id j10so15856796otq.0 for ; Wed, 03 Apr 2019 08:16:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=8rqsXgaLu9l4H6DwFqTyXA9ldT3ZN1SoeT+u6bwBtvk=; b=kMpx6TtnVWEdYs1AQ96bVuSEODhhUPITpLAh8eFTOcMobFFo36+rv6QUjXE1Tl05wd m+uzeN7y7iTELNMVMGBjz2t00wTHTZjMMN9qmtQnpH47P+RMi1eSM9zqcvD5/E5MFCcT r9DXx78lmCBnmed6X6PQ2bhYnerERvckeiYbi9DbFQ8WobduIKDgugboIi8/IY9w4q6k df8PZ2SxOOw8r665jghT36sqlvu9JeVO5ogIoanJy7Bw72oo4fHnEGZYXS1AcSxsp3Hh cFCq/6STeJgn1x4Kx/Br9SuHv4CLQy6ir8mMC+u15RHK4nhcWzQICmpbUtlSFNcrt6oP EGwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=8rqsXgaLu9l4H6DwFqTyXA9ldT3ZN1SoeT+u6bwBtvk=; b=YI3pv54LVjC4BBeEKXkvjkORSsH7agMCaB4zD4ZGnPIb1vZKo7sjIs7LBrzfHP1Nl8 8ht0YpivCNU4AFjV/kM+YE17pz/D1lDzGggnn4UxXy+fUztWcIRQ4m85cbUFik2ltOmM BCYwcu56toddJuebJLQv2zEd+w/9ghskEAhpfWGUhrouVw1PMw+ij+DDKFCpO8MQAKff vFDdCP+zQUQ6nqZLhgGSTYyKrdedsP2OQ0SX3MZR60CC2yYv3W/4yomnJ1vWjXHSMMi1 A8iIuOTbaYIFrE6sQMNtnk/6JsnPc8ZQJ6ck0FP4kAsZ5lRehQDVuj8l7oJW4Qh/QdRo Wo0w== X-Gm-Message-State: APjAAAUJMs6E4WYrsRW0GPpsChjvMJVMGPHJpsCbe+rSqb/agOW5lKai mBbPHpUpRcMbYuR5CQ+5pPVfYorYylbj8Q== X-Google-Smtp-Source: APXvYqyx+TnOMq0zwLjrLEDmte92On7BEzuKG741JmucubR6QxE0x6Y4JgvaY/8Y6pzGQzKJxTEfMA== X-Received: by 2002:a05:6830:1107:: with SMTP id w7mr187610otq.14.1554304571137; Wed, 03 Apr 2019 08:16:11 -0700 (PDT) Received: from madhuleo ([2605:6000:1023:606d:1876:bc0b:8981:17be]) by smtp.gmail.com with ESMTPSA id w141sm6806333oie.1.2019.04.03.08.16.10 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 03 Apr 2019 08:16:10 -0700 (PDT) From: Madhumitha Prabakaran To: gregkh@linuxfoundation.org, matthias.bgg@gmail.com, devel@driverdev.osuosl.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Madhumitha Prabakaran Subject: [PATCH] Staging: mt7621-mmc: Use DIV_ROUND_UP in function msdc_set_mclk Date: Wed, 3 Apr 2019 10:16:08 -0500 Message-Id: <20190403151608.27326-1-madhumithabiw@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use DIV_ROUND_UP to make code simple and more understandable. Signed-off-by: Madhumitha Prabakaran --- drivers/staging/mt7621-mmc/sd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c index 4b26ec896a96..b12ed2c988fd 100644 --- a/drivers/staging/mt7621-mmc/sd.c +++ b/drivers/staging/mt7621-mmc/sd.c @@ -240,7 +240,7 @@ static void msdc_set_mclk(struct msdc_host *host, int ddr, unsigned int hz) div = 1; /* mean div = 1/4 */ sclk = hclk >> 2; /* sclk = clk / 4 */ } else { - div = (hclk + ((hz << 2) - 1)) / (hz << 2); + div = DIV_ROUND_UP(hclk, (hz << 2)); sclk = (hclk >> 2) / div; } } else if (hz >= hclk) { /* bug fix */ @@ -253,7 +253,7 @@ static void msdc_set_mclk(struct msdc_host *host, int ddr, unsigned int hz) div = 0; /* mean div = 1/2 */ sclk = hclk >> 1; /* sclk = clk / 2 */ } else { - div = (hclk + ((hz << 2) - 1)) / (hz << 2); + div = DIV_ROUND_UP(hclk, (hz << 2)); sclk = (hclk >> 2) / div; } } -- 2.17.1