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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 E4F5DC43331 for ; Thu, 5 Sep 2019 16:18:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 918FD20870 for ; Thu, 5 Sep 2019 16:18:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387690AbfIEQSG (ORCPT ); Thu, 5 Sep 2019 12:18:06 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:34954 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731806AbfIEQSD (ORCPT ); Thu, 5 Sep 2019 12:18:03 -0400 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 12BB16B0AF36F1F33C01; Fri, 6 Sep 2019 00:18:01 +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 00:18:39 +0800 From: zhong jiang To: CC: , , , , Subject: [PATCH 4/4] media: v4l2-dv-timings: Use DIV_ROUND_CLOSEST directly to make it readable Date: Fri, 6 Sep 2019 00:14:52 +0800 Message-ID: <1567700092-27769-5-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/v4l2-core/v4l2-dv-timings.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c index 4f23e93..2b399c0 100644 --- a/drivers/media/v4l2-core/v4l2-dv-timings.c +++ b/drivers/media/v4l2-core/v4l2-dv-timings.c @@ -757,7 +757,7 @@ bool v4l2_detect_gtf(unsigned frame_height, pix_clk = pix_clk / GTF_PXL_CLK_GRAN * GTF_PXL_CLK_GRAN; hsync = (frame_width * 8 + 50) / 100; - hsync = ((hsync + GTF_CELL_GRAN / 2) / GTF_CELL_GRAN) * GTF_CELL_GRAN; + hsync = DIV_ROUND_CLOSEST(hsync, GTF_CELL_GRAN) * GTF_CELL_GRAN; h_fp = h_blank / 2 - hsync; -- 1.7.12.4