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_INVALID,DKIM_SIGNED, 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 29048C43387 for ; Mon, 14 Jan 2019 20:28:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E6172206B7 for ; Mon, 14 Jan 2019 20:28:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="qSZiPWQI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727065AbfANU2M (ORCPT ); Mon, 14 Jan 2019 15:28:12 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:35653 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726863AbfANU2J (ORCPT ); Mon, 14 Jan 2019 15:28:09 -0500 Received: by mail-wr1-f67.google.com with SMTP id 96so438884wrb.2 for ; Mon, 14 Jan 2019 12:28:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=6mRgFtaQSDGQ8meA3Ni8+iUvpq1Q85dE+uuhMia3848=; b=qSZiPWQIoU4f4Fy/tVJqimNL7ZYof3TIZr/aJ2ia0Yi2lmuRgq3CCDc2uTUJEYEsxj h3j4ydYz3QZdBRUuaRF01brNPo5IJHZdOOeIjby9gR/HixI5Kp4kTYSegJvKtRLeM24M ph8PcyKc0uTet4si6iAefwDY/q/722tcYyNTuqgk5q5dpg70wcm/3suQmeNfF94pCjpv as2oZfwzC+YuvyKDhje3dIhe/ij+Oi5WrmyHsy+VrCqLZLkgdMsxzmafA7NWERTtPn7I Th4ownsDYqSYsWqQ2gA9svdqh6DmYtDpB+OaUZN1kl8X/fFvlKleRm+EoC268Y/LFDyL FwSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=6mRgFtaQSDGQ8meA3Ni8+iUvpq1Q85dE+uuhMia3848=; b=ZquOOt/v390Shwx4v32dbLoSlawR1UEtPdWYAZc6LNUywlaPYKzGVwHfp4wsY8c9Vt RnbUplRRqwCOMqKtvOUFVcS2a5hg9/Q2jPj8oX5cBJ2oIlHibEbiSaP4pZYBR7XMu9oW jTtemmPyY4jUcE0l4oOeyk2fL64Vd2nPdoemQ5rlS143buL8lvBXLMDUIi85bmo8Gn+2 xIkGtc9ItQerZYfHvPkJ5xI9jhh5vq7pWefU7TfF+A6gB376q36Xl+wu6oO9ltmPPhEZ GCINMDDFYb+NJVYfpo/dv8S3pmBzi29MnAANSPKGgKWL5PWkpNqsfu1QtxG/1iQ8h2hQ HKVg== X-Gm-Message-State: AJcUukcgErs5KZqlUKSpXyvrYakL0xX3usq6hRMotLmh+R3TmQn/v13C 9p4J6XLZ62WCRxKnxcevy3k= X-Google-Smtp-Source: ALg8bN7iGUTW8m0gD/Lq0Ws+gqhghbke9152QTB22qD+Y23EIamw8MSI7P1YEY0JeSN+vAY67n19NA== X-Received: by 2002:adf:eec9:: with SMTP id a9mr193032wrp.242.1547497688288; Mon, 14 Jan 2019 12:28:08 -0800 (PST) Received: from macbookpro.malat.net ([2a01:e34:ee1e:860:6f23:82e6:aa2d:bbd1]) by smtp.gmail.com with ESMTPSA id g129sm27976691wmf.39.2019.01.14.12.28.07 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 14 Jan 2019 12:28:07 -0800 (PST) Received: by macbookpro.malat.net (Postfix, from userid 1000) id 6A58411422AD; Mon, 14 Jan 2019 21:28:06 +0100 (CET) From: Mathieu Malaterre To: Maarten Lankhorst Cc: Mathieu Malaterre , Maxime Ripard , Sean Paul , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/dp: annotate implicit fall throughs Date: Mon, 14 Jan 2019 21:27:47 +0100 Message-Id: <20190114202748.15584-1-malat@debian.org> X-Mailer: git-send-email 2.19.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is a plan to build the kernel with -Wimplicit-fallthrough and these places in the code produced warnings (W=1). Fix them up. This commit remove the following warnings: include/linux/compiler.h:77:22: warning: this statement may fall through [-Wimplicit-fallthrough=] include/asm-generic/bug.h:134:2: note: in expansion of macro 'unlikely' drivers/gpu/drm/drm_dp_helper.c:155:3: note: in expansion of macro 'WARN' include/linux/compiler.h:77:22: warning: this statement may fall through [-Wimplicit-fallthrough=] include/asm-generic/bug.h:134:2: note: in expansion of macro 'unlikely' drivers/gpu/drm/drm_dp_helper.c:173:3: note: in expansion of macro 'WARN' drivers/gpu/drm/drm_dp_helper.c:547:3: warning: this statement may fall through [-Wimplicit-fallthrough=] Signed-off-by: Mathieu Malaterre --- drivers/gpu/drm/drm_dp_helper.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 516e82d0ed50..26835d174939 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -154,6 +154,7 @@ u8 drm_dp_link_rate_to_bw_code(int link_rate) default: WARN(1, "unknown DP link rate %d, using %x\n", link_rate, DP_LINK_BW_1_62); + /* fall through */ case 162000: return DP_LINK_BW_1_62; case 270000: @@ -171,6 +172,7 @@ int drm_dp_bw_code_to_link_rate(u8 link_bw) switch (link_bw) { default: WARN(1, "unknown DP link BW code %x, using 162000\n", link_bw); + /* fall through */ case DP_LINK_BW_1_62: return 162000; case DP_LINK_BW_2_7: @@ -552,6 +554,7 @@ int drm_dp_downstream_max_bpc(const u8 dpcd[DP_RECEIVER_CAP_SIZE], case DP_DS_16BPC: return 16; } + /* fall through */ default: return 0; } -- 2.19.2