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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 DD252C43331 for ; Thu, 5 Sep 2019 16:20:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 96346207E0 for ; Thu, 5 Sep 2019 16:20:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387634AbfIEQUT (ORCPT ); Thu, 5 Sep 2019 12:20:19 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:6689 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1733153AbfIEQSE (ORCPT ); Thu, 5 Sep 2019 12:18:04 -0400 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id C402D2AAE43830CAB68A; Fri, 6 Sep 2019 00:18:00 +0800 (CST) Received: from linux-ibm.site (10.175.102.37) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.439.0; Fri, 6 Sep 2019 00:18:38 +0800 From: zhong jiang To: CC: , , , , Subject: [PATCH 2/4] media: tuners/qm1d1c0042: Use DIV_ROUND_CLOSEST directly to make it readable Date: Fri, 6 Sep 2019 00:14:50 +0800 Message-ID: <1567700092-27769-3-git-send-email-zhongjiang@huawei.com> X-Mailer: git-send-email 1.7.12.4 In-Reply-To: <1567700092-27769-1-git-send-email-zhongjiang@huawei.com> References: <1567700092-27769-1-git-send-email-zhongjiang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.102.37] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d but is perhaps more readable. Signed-off-by: zhong jiang --- drivers/media/tuners/qm1d1c0042.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/tuners/qm1d1c0042.c b/drivers/media/tuners/qm1d1c0042.c index 83ca5dc..0e26d22 100644 --- a/drivers/media/tuners/qm1d1c0042.c +++ b/drivers/media/tuners/qm1d1c0042.c @@ -206,7 +206,7 @@ static int qm1d1c0042_set_params(struct dvb_frontend *fe) if (ret < 0) return ret; - a = (freq + state->cfg.xtal_freq / 2) / state->cfg.xtal_freq; + a = DIV_ROUND_CLOSEST(freq, state->cfg.xtal_freq); state->regs[0x06] &= 0x40; state->regs[0x06] |= (a - 12) / 4; -- 1.7.12.4