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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 2B995C433E6 for ; Tue, 22 Dec 2020 13:32:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EBE4F23133 for ; Tue, 22 Dec 2020 13:32:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727582AbgLVNcX (ORCPT ); Tue, 22 Dec 2020 08:32:23 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:9471 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727146AbgLVNcU (ORCPT ); Tue, 22 Dec 2020 08:32:20 -0500 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4D0cfj6R67zhw4Y; Tue, 22 Dec 2020 21:30:53 +0800 (CST) Received: from ubuntu.network (10.175.138.68) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.498.0; Tue, 22 Dec 2020 21:31:21 +0800 From: Zheng Yongjun To: , , , , CC: , , , "Zheng Yongjun" Subject: [PATCH -next] i2c: busses: use DIV_ROUND_UP macro to do calculation Date: Tue, 22 Dec 2020 21:31:31 +0800 Message-ID: <20201222133131.19525-1-zhengyongjun3@huawei.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.138.68] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Don't open-code DIV_ROUND_UP() kernel macro. Signed-off-by: Zheng Yongjun --- drivers/i2c/busses/i2c-imx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index e6f8d6e45a15..346c196cbce7 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -529,7 +529,7 @@ static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, i2c_imx->cur_clk = i2c_clk_rate; - div = (i2c_clk_rate + i2c_imx->bitrate - 1) / i2c_imx->bitrate; + div = DIV_ROUND_UP(i2c_clk_rate, i2c_imx->bitrate); if (div < i2c_clk_div[0].div) i = 0; else if (div > i2c_clk_div[i2c_imx->hwdata->ndivs - 1].div) @@ -547,8 +547,8 @@ static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, * This delay is used in I2C bus disable function * to fix chip hardware bug. */ - i2c_imx->disable_delay = (500000U * i2c_clk_div[i].div - + (i2c_clk_rate / 2) - 1) / (i2c_clk_rate / 2); + i2c_imx->disable_delay = DIV_ROUND_UP(500000U * i2c_clk_div[i].div, + i2c_clk_rate / 2); #ifdef CONFIG_I2C_DEBUG_BUS dev_dbg(&i2c_imx->adapter.dev, "I2C_CLK=%d, REQ DIV=%d\n", -- 2.22.0