From patchwork Mon Apr 19 22:55:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lyude Paul X-Patchwork-Id: 12212821 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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 D56B5C43611 for ; Mon, 19 Apr 2021 22:55:51 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7F73061177 for ; Mon, 19 Apr 2021 22:55:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7F73061177 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D23C16E44F; Mon, 19 Apr 2021 22:55:48 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 09CE26E44E for ; Mon, 19 Apr 2021 22:55:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1618872946; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rXvOa2vhLxgteuwROnjXnJNpH30+jnf9gvFzYDgEgi8=; b=AgEsiQe6+c01ia7UuqaGbdAAd0Vl27OY/CS0B3ZdG7TbDI6J22bkFsLBdpEAAQvtyV6kun tU2xxdpDUPY6ushOQmlZNRQMuJeDkssig6GkBJyHcrb6gO8LI3pUmcbLd4sFL1zL38nGw7 O+ZK8J++OUlFq4hQbrMOPrbbfbcjmfY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-513-t7lRGv6PMXia-qAM3eMBaw-1; Mon, 19 Apr 2021 18:55:42 -0400 X-MC-Unique: t7lRGv6PMXia-qAM3eMBaw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3CAB281744F; Mon, 19 Apr 2021 22:55:40 +0000 (UTC) Received: from Ruby.lyude.net (ovpn-119-153.rdu2.redhat.com [10.10.119.153]) by smtp.corp.redhat.com (Postfix) with ESMTP id D3B795C1CF; Mon, 19 Apr 2021 22:55:38 +0000 (UTC) From: Lyude Paul To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, nouveau@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , Jani Nikula , Rodrigo Vivi , Thomas Zimmermann , Thierry Reding Date: Mon, 19 Apr 2021 18:55:04 -0400 Message-Id: <20210419225523.184856-3-lyude@redhat.com> In-Reply-To: <20210419225523.184856-1-lyude@redhat.com> References: <20210419225523.184856-1-lyude@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Subject: [Intel-gfx] [PATCH v3 02/20] drm/dp: Add __no_check to drm_dp_aux_register() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , Maxime Ripard , open list Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Since we're about to make it so that drm_dp_aux_init() can fail (and thus - should have it's return value checked) - we should require that callers of drm_dp_aux_register() also check it's return value since drm_dp_aux_init() can be called from there. Signed-off-by: Lyude Paul --- include/drm/drm_dp_helper.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 1e85c2021f2f..e44b0ee7b85e 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -2010,7 +2010,7 @@ bool drm_dp_lttpr_pre_emphasis_level_3_supported(const u8 caps[DP_LTTPR_PHY_CAP_ void drm_dp_remote_aux_init(struct drm_dp_aux *aux); void drm_dp_aux_init(struct drm_dp_aux *aux); -int drm_dp_aux_register(struct drm_dp_aux *aux); +__must_check int drm_dp_aux_register(struct drm_dp_aux *aux); void drm_dp_aux_unregister(struct drm_dp_aux *aux); int drm_dp_start_crc(struct drm_dp_aux *aux, struct drm_crtc *crtc);