From nobody Tue Feb 10 13:37:26 2026 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 620254A20 for ; Fri, 1 Mar 2024 00:12:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709251972; cv=none; b=IS6IAaxyizhB+9ZvTEQe531nDI7H3agOBIABoqBtu061iMBIjSWlTKKJqU+k5S1f6SntKaP75yoDyB1zB6rF+5xfBOInAM6hkpiMPREJ4NQza4jwrfyLVKFB9uAhZwEizzab1C1nWWiaw+0Wf3HfVraqnkgFSCSqu2v6rxRdihY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709251972; c=relaxed/simple; bh=x6U7HBr2+APn5ZpeLNHOIRw/a7yOuDvPI1HGkDefAI0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=JTySUHP/yviT1/sTxVsKIFhnOrhKnhID2z9m8H/g2udHE3e0X2yKcbdiGINoumSC2vO2fXPYcc/4ioxIyHomQb7H8N039ii9nDulXf1gKKRgPJv66FB5HlqAobFMzyKRnvGh8UktLyeY4Duw6BF0TCPSM7iM2IOoDN76qozMVQw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=U5WNUS2Y; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="U5WNUS2Y" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1709251970; bh=x6U7HBr2+APn5ZpeLNHOIRw/a7yOuDvPI1HGkDefAI0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=U5WNUS2YRX2M9Wm9IoWrVZ9o3oKmM9fqRzZeP0ZusgHofuUBWc5bPR92cN0XGwmQa 4Q6qDeRML0MCbRFxg/De9Cqf14L73Un6+fokUNKcPQi5YZfQvziUHwyds+ZQSI1bpo WtPkOKmL4d4CU7WUXN9A1Buz7yG4SaVEAotkZgTBtCVUbNAK+w191RJpbZsiVM+9ca TyEhsr3xRMYGNWkbK+1yQk2EKjCtJqqHCzMbilHW9/HiEPBS0aq23OtuW4NN9J1q6E QbN/bzaOQv17U+DNmzWWOgnW74ciL1YZ6s/KMPHGQ2i3HIBORWIXqPZE0oGgUAUuJM twcOyHfO9wmuw== Received: from [192.168.1.205] (zone.collabora.co.uk [167.235.23.81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: nfraprado) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 09E8D378000E; Fri, 1 Mar 2024 00:12:44 +0000 (UTC) From: =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= Date: Thu, 29 Feb 2024 19:12:12 -0500 Subject: [PATCH v2 6/9] drm/bridge: tc358775: Don't log an error when DSI host can't be found Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240229-anx7625-defer-log-no-dsi-host-v2-6-00506941049a@collabora.com> References: <20240229-anx7625-defer-log-no-dsi-host-v2-0-00506941049a@collabora.com> In-Reply-To: <20240229-anx7625-defer-log-no-dsi-host-v2-0-00506941049a@collabora.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , owen , Jagan Teki , Marek Vasut , Adrien Grassein , Srinivas Kandagatla , Sam Ravnborg , Bjorn Andersson , Vinod Koul , Dmitry Baryshkov , Vinay Simha BN , Christopher Vollo , Jessica Zhang , Marijn Suijten , AngeloGioacchino Del Regno Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, AngeloGioacchino Del Regno , =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= X-Mailer: b4 0.13.0 Given that failing to find a DSI host causes the driver to defer probe, make use of dev_err_probe() to log the reason. This makes the defer probe reason available and avoids alerting userspace about something that is not necessarily an error. Fixes: b26975593b17 ("display/drm/bridge: TC358775 DSI/LVDS driver") Suggested-by: AngeloGioacchino Del Regno Signed-off-by: N=C3=ADcolas F. R. A. Prado --- drivers/gpu/drm/bridge/tc358775.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc3= 58775.c index 90a89d70d832..fea4f00a20f8 100644 --- a/drivers/gpu/drm/bridge/tc358775.c +++ b/drivers/gpu/drm/bridge/tc358775.c @@ -610,10 +610,8 @@ static int tc_attach_host(struct tc_data *tc) }; =20 host =3D of_find_mipi_dsi_host_by_node(tc->host_node); - if (!host) { - dev_err(dev, "failed to find dsi host\n"); - return -EPROBE_DEFER; - } + if (!host) + return dev_err_probe(dev, -EPROBE_DEFER, "failed to find dsi host\n"); =20 dsi =3D devm_mipi_dsi_device_register_full(dev, host, &info); if (IS_ERR(dsi)) { --=20 2.44.0