From patchwork Tue Jan 7 14:38:58 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Stein X-Patchwork-Id: 13929076 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 74D2EE77197 for ; Tue, 7 Jan 2025 14:39:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EB3E410E70E; Tue, 7 Jan 2025 14:39:30 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=tq-group.com header.i=@tq-group.com header.b="bMuTGudG"; dkim=fail reason="key not found in DNS" (0-bit key; unprotected) header.d=ew.tq-group.com header.i=@ew.tq-group.com header.b="Kz/TNRA2"; dkim-atps=neutral Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4FE6910E70E for ; Tue, 7 Jan 2025 14:39:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1736260769; x=1767796769; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=v6ZalIwFfK9vUB0/HSTtySwzznHuXDMQLLMZDZH/dAc=; b=bMuTGudGdCF+GFdN3BRpzeYX2ub3vAL583xnZ67bsh/g1m0Rfl/QNAcp bsBZWCTqCqw+iOvxI0xnGyPIow2HfD5HU9P/X+JZpsH6VZ9eqxQ2j5Qyb 1Xt9JnvjhmKRJmw6Fz/d+up2EBv6+juW0Wo8EDoItc4JHmY2S2YiGYOBL zss84WT6eFPWKM/ceX6BrhJk9bns0/iuYzvZYX/T33kV7vh5oV7FG1Bof aw10cNd+H51kh/6pGFP0S3fQlAY1jhaoruGB/evGiTIi2byx7DxGOY4Ra ow4faNh6cRd7gnFxXWRdzOufJYwyv+nu7elXKp1bWxsm8ovcXUgcYlhBe g==; X-CSE-ConnectionGUID: OLkKxxOYQ2O7L3x2p5kTEg== X-CSE-MsgGUID: kBmI3pPLQ6y9k7ktctXARQ== X-IronPort-AV: E=Sophos;i="6.12,295,1728943200"; d="scan'208";a="40897247" Received: from vmailcow01.tq-net.de ([10.150.86.48]) by mx1.tq-group.com with ESMTP; 07 Jan 2025 15:39:27 +0100 X-CheckPoint: {677D3C9F-1F-3C670366-E45AD810} X-MAIL-CPID: 5D665BE28A4386F0867A29349A815CCC_4 X-Control-Analysis: str=0001.0A682F27.677D3C9F.00CA, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 59956160B22; Tue, 7 Jan 2025 15:39:22 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1736260763; 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=v6ZalIwFfK9vUB0/HSTtySwzznHuXDMQLLMZDZH/dAc=; b=Kz/TNRA2k3u0PyJ5oHB+nYGayQGkRTxZ/4I43G45iHR3By/K8jB9CNTC3ABHnqQ+5j4yi1 JK0iWidsvqz2r9mSf8ykklx9V5qMaTkR7iAxw2V8CPSar/qAY4r74lKL/noQSeVcC3VVOj je4FFLa5DIqPgszBZ3nBkUAmqXvJnXvKX30Y1XIgBDai1BUJ6zBIZ/BlC2qN9HwAzVqHmQ hNivDMYEMYc6BHoSSj8KRGOVdaMfOGRVTg8i89h8UNQBaLgqsi9GP1SeITDB3QCVktFNGH tENFAAGPUqz8kL4ALPtJ9jxdwF68cdWI7BZbASmcBCgXIL03jobcxGjHDJ+xOQ== From: Alexander Stein To: Liu Ying , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Alexander Stein , dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/4] drm/bridge: imx8qxp-ldb: Use dev_err_probe Date: Tue, 7 Jan 2025 15:38:58 +0100 Message-Id: <20250107143900.988567-3-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250107143900.988567-1-alexander.stein@ew.tq-group.com> References: <20250107143900.988567-1-alexander.stein@ew.tq-group.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This simplifies the code and gives additional information upon deferral. Signed-off-by: Alexander Stein Reviewed-by: Liu Ying --- drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c | 37 ++++++++---------------- 1 file changed, 12 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c b/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c index 7bce2305d6767..d5e123173f354 100644 --- a/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c +++ b/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c @@ -557,10 +557,8 @@ static int imx8qxp_ldb_parse_dt_companion(struct imx8qxp_ldb *imx8qxp_ldb) imx8qxp_ldb->companion = of_drm_find_bridge(companion_port); if (!imx8qxp_ldb->companion) { - ret = -EPROBE_DEFER; - DRM_DEV_DEBUG_DRIVER(dev, - "failed to find bridge for companion bridge: %d\n", - ret); + ret = dev_err_probe(dev, -EPROBE_DEFER, + "failed to find bridge for companion bridge\n"); goto out; } @@ -590,22 +588,14 @@ static int imx8qxp_ldb_probe(struct platform_device *pdev) return -ENOMEM; imx8qxp_ldb->clk_pixel = devm_clk_get(dev, "pixel"); - if (IS_ERR(imx8qxp_ldb->clk_pixel)) { - ret = PTR_ERR(imx8qxp_ldb->clk_pixel); - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, - "failed to get pixel clock: %d\n", ret); - return ret; - } + if (IS_ERR(imx8qxp_ldb->clk_pixel)) + return dev_err_probe(dev, PTR_ERR(imx8qxp_ldb->clk_pixel), + "failed to get pixel clock\n"); imx8qxp_ldb->clk_bypass = devm_clk_get(dev, "bypass"); - if (IS_ERR(imx8qxp_ldb->clk_bypass)) { - ret = PTR_ERR(imx8qxp_ldb->clk_bypass); - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, - "failed to get bypass clock: %d\n", ret); - return ret; - } + if (IS_ERR(imx8qxp_ldb->clk_bypass)) + return dev_err_probe(dev, PTR_ERR(imx8qxp_ldb->clk_bypass), + "failed to get bypass clock\n"); imx8qxp_ldb->dev = dev; @@ -640,13 +630,10 @@ static int imx8qxp_ldb_probe(struct platform_device *pdev) } imx8qxp_ldb_ch->phy = devm_of_phy_get(dev, ldb_ch->np, "lvds_phy"); - if (IS_ERR(imx8qxp_ldb_ch->phy)) { - ret = PTR_ERR(imx8qxp_ldb_ch->phy); - if (ret != -EPROBE_DEFER) - DRM_DEV_ERROR(dev, "failed to get channel%d PHY: %d\n", - imx8qxp_ldb->active_chno, ret); - return ret; - } + if (IS_ERR(imx8qxp_ldb_ch->phy)) + return dev_err_probe(dev, PTR_ERR(imx8qxp_ldb_ch->phy), + "failed to get channel%d PHY\n", + imx8qxp_ldb->active_chno); ret = ldb_find_next_bridge_helper(ldb); if (ret)