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 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 B0FF3C2D0CB for ; Thu, 15 May 2025 06:21:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D479510E760; Thu, 15 May 2025 06:21:52 +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="Gsn6DGOk"; 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="Ik/D1XMy"; 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 A247E10E774 for ; Thu, 15 May 2025 06:21:48 +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=1747290110; x=1778826110; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=zvaqjaq2s2J7Vp+BItaHSMNz11n0rCofPVOKUb72ZdQ=; b=Gsn6DGOkjtYsrKKWNIqEmB6sYZBpmWzcYdCdu9S9j5gIBRDtjmYak2VI ZCD4HGpZD2oev++eEYO6Ok2SFItbId9KSOLIPUfd1MFztUN1CkUHJu5qF 4bMELt80deteV2PY1wiKDhOXqSD6isw3TghYRMJ4NVQWOZeSjOfnH9b1V 4HJIpX1Z8NMvrTgyL7V45SpMIzeSRtQWkzVYnDsal406Ff5xDjMmliukV rXv/VFgBeSQejecE7dB2U9XJPE+Z6ZJQp0fuvd1P9P1FiJbicx4rbSz23 Dd0IX2OgE0xLhcLAyJSwK7fETrjgLmxRLAESwDynFOs0/TWfOGDh+KYtt g==; X-CSE-ConnectionGUID: ymgbScsyTImTixjB3tpFMw== X-CSE-MsgGUID: c47bUS/AQDirSUcuKPPxhg== X-IronPort-AV: E=Sophos;i="6.15,290,1739833200"; d="scan'208";a="44086124" Received: from vmailcow01.tq-net.de ([10.150.86.48]) by mx1.tq-group.com with ESMTP; 15 May 2025 08:21:38 +0200 X-CheckPoint: {682587F2-21-C7E25413-F4312D34} X-MAIL-CPID: 33C6A6DA3D81B7962B7B6E2E349BD329_4 X-Control-Analysis: str=0001.0A006374.682587F0.0032, 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 1B92916983A; Thu, 15 May 2025 08:21:30 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ew.tq-group.com; s=dkim; t=1747290094; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zvaqjaq2s2J7Vp+BItaHSMNz11n0rCofPVOKUb72ZdQ=; b=Ik/D1XMym9knRRj0CGwmE5kAGwr9f+K/FAQtrwwTlFfj5YDxt51d4kO2NqdcNocl5sYxXO 0YEsl1sOQx1GIzEgAdtZyX38QCiHA68YHmiQXMsMmV0OIbI5FyfesGC8+ZIKgpTkXefaOz NTtIqXVD2Joop/2O8LPHU7OCK80qsUfYjq9iM1l3koCOPGQuin1OPDp88xbW0YplXlqcoA 50GDv7lAxylXeIXvcbj9EdxXiM5tok+PeX9QxgBVA+kTiajt5hdl54qkgb7iElw8OcS+qN s7JUn/stDl1ObKxH1wRBCIqM2MuKBieCif2Z/XUyT37pO3iWclKWjOe+iH2R3A== From: Alexander Stein To: andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, dri-devel@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Marco Felsch Subject: Re: [PATCH 2/3] drm/bridge: fsl-ldb: make use of dev_err_probe Date: Thu, 15 May 2025 08:21:30 +0200 Message-ID: <6179238.lOV4Wx5bFT@steina-w> Organization: TQ-Systems GmbH In-Reply-To: <20250514222453.440915-3-m.felsch@pengutronix.de> References: <20250514222453.440915-1-m.felsch@pengutronix.de> <20250514222453.440915-3-m.felsch@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" 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" Am Donnerstag, 15. Mai 2025, 00:24:52 CEST schrieb Marco Felsch: > Make use of dev_err_probe() to easily spot issues via the debugfs or > kernel log. No functional changes. >=20 > Signed-off-by: Marco Felsch Reviewed-by: Alexander Stein > --- > drivers/gpu/drm/bridge/fsl-ldb.c | 19 ++++++++++--------- > 1 file changed, 10 insertions(+), 9 deletions(-) >=20 > diff --git a/drivers/gpu/drm/bridge/fsl-ldb.c b/drivers/gpu/drm/bridge/fs= l-ldb.c > index fa29f2bf4031..e0a229c91953 100644 > --- a/drivers/gpu/drm/bridge/fsl-ldb.c > +++ b/drivers/gpu/drm/bridge/fsl-ldb.c > @@ -308,11 +308,13 @@ static int fsl_ldb_probe(struct platform_device *pd= ev) > =20 > fsl_ldb->clk =3D devm_clk_get(dev, "ldb"); > if (IS_ERR(fsl_ldb->clk)) > - return PTR_ERR(fsl_ldb->clk); > + return dev_err_probe(dev, PTR_ERR(fsl_ldb->clk), > + "Failed to get ldb clk\n"); > =20 > fsl_ldb->regmap =3D syscon_node_to_regmap(dev->of_node->parent); > if (IS_ERR(fsl_ldb->regmap)) > - return PTR_ERR(fsl_ldb->regmap); > + return dev_err_probe(dev, PTR_ERR(fsl_ldb->regmap), > + "Failed to get regmap\n"); > =20 > /* Locate the remote ports and the panel node */ > remote1 =3D of_graph_get_remote_node(dev->of_node, 1, 0); > @@ -335,12 +337,12 @@ static int fsl_ldb_probe(struct platform_device *pd= ev) > panel =3D of_drm_find_panel(panel_node); > of_node_put(panel_node); > if (IS_ERR(panel)) > - return PTR_ERR(panel); > + return dev_err_probe(dev, PTR_ERR(panel), "drm panel not found\n"); > =20 > fsl_ldb->panel_bridge =3D devm_drm_panel_bridge_add(dev, panel); > if (IS_ERR(fsl_ldb->panel_bridge)) > - return PTR_ERR(fsl_ldb->panel_bridge); > - > + return dev_err_probe(dev, PTR_ERR(fsl_ldb->panel_bridge), > + "drm panel-bridge add failed\n"); > =20 > if (fsl_ldb_is_dual(fsl_ldb)) { > struct device_node *port1, *port2; > @@ -356,10 +358,9 @@ static int fsl_ldb_probe(struct platform_device *pde= v) > "Error getting dual link configuration\n"); > =20 > /* Only DRM_LVDS_DUAL_LINK_ODD_EVEN_PIXELS is supported */ > - if (dual_link =3D=3D DRM_LVDS_DUAL_LINK_EVEN_ODD_PIXELS) { > - dev_err(dev, "LVDS channel pixel swap not supported.\n"); > - return -EINVAL; > - } > + if (dual_link =3D=3D DRM_LVDS_DUAL_LINK_EVEN_ODD_PIXELS) > + return dev_err_probe(dev, -EINVAL, > + "LVDS channel pixel swap not supported.\n"); > } > =20 > platform_set_drvdata(pdev, fsl_ldb); >=20 =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/