From nobody Tue Feb 10 06:58:10 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 031C615A490 for ; Mon, 15 Apr 2024 21:50:19 +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=1713217820; cv=none; b=jZArHsMcwQmICI5CFAfxoBdxW82Uo+KB1GcvOnL5NTxS2PZ0EZL2e15QT7Y2qHSYfHY4qqsXm/Vv0C+S6xvO+cwfJF3R+e4n6PE0OH6TBmFAVr2wNQKuFEGuAnRQuq0QOqhKGxIxYwoKlPCCXy7Q8246JIlL/b3cdXSB+25zYlo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713217820; c=relaxed/simple; bh=XO/SFxxPX4RjdOyW3lNuttRRCQa2YMLS8do8S0ZonKM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gPosWn6zhAutZ8BJ2C3rcKSHXD9TDFiqRe5bHWzFueQu8XIilywTdaIS8/eAmvELFgL3EziMXEozfZm5riKyknPp52AryaGNV90jEaIcOob0OWN2eiEk5ro5mjYaPeeYdukV40psFu9+fzduT/2A8RK81pUxbqZcR/bi12CAnIU= 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=XLBue5P0; 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="XLBue5P0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1713217817; bh=XO/SFxxPX4RjdOyW3lNuttRRCQa2YMLS8do8S0ZonKM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=XLBue5P01Rv1DloNVBYNVq8DR5mpbFvFvA5FlXflxbs7vCYGa+rUjnM+5Z9PJL28t WEPC5WRuKqcmiQx0EGsRJq54p0JpakHAjCvNm/VFg6NIa5pArZFnhZILeAPqmTqFKN FAtHpgUYIsTCKHUk3vVZjqIpDs41m4M7JV9gQorvN1YNLxzIMuiiemwkXkyamoAAQe dCrTZQ1Ng4mkjTmvh2brJ7yGBCNgmLwFPi609Oj2Dhf+SI32im7IQRb46hzRhelOWZ 2FA8eJAUAQnBIe/WY/+1XutTWvngdo0FZ4XezVOxLh1JUi176ZF4uJAoVdYFgDRWCR FS3xt7YXwZG3w== Received: from [192.168.42.226] (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 C56B23780016; Mon, 15 Apr 2024 21:50:13 +0000 (UTC) From: =?utf-8?q?N=C3=ADcolas_F=2E_R=2E_A=2E_Prado?= Date: Mon, 15 Apr 2024 17:49:36 -0400 Subject: [PATCH v3 8/9] drm/panel: novatek-nt35950: 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: <20240415-anx7625-defer-log-no-dsi-host-v3-8-619a28148e5c@collabora.com> References: <20240415-anx7625-defer-log-no-dsi-host-v3-0-619a28148e5c@collabora.com> In-Reply-To: <20240415-anx7625-defer-log-no-dsi-host-v3-0-619a28148e5c@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 , Laurent Pinchart , =?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: 623a3531e9cf ("drm/panel: Add driver for Novatek NT35950 DSI DriverI= C panels") Suggested-by: AngeloGioacchino Del Regno Reviewed-by: Laurent Pinchart Signed-off-by: N=C3=ADcolas F. R. A. Prado --- drivers/gpu/drm/panel/panel-novatek-nt35950.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35950.c b/drivers/gpu/dr= m/panel/panel-novatek-nt35950.c index 648ce9201426..028fdac293f7 100644 --- a/drivers/gpu/drm/panel/panel-novatek-nt35950.c +++ b/drivers/gpu/drm/panel/panel-novatek-nt35950.c @@ -556,10 +556,8 @@ static int nt35950_probe(struct mipi_dsi_device *dsi) } dsi_r_host =3D of_find_mipi_dsi_host_by_node(dsi_r); of_node_put(dsi_r); - if (!dsi_r_host) { - dev_err(dev, "Cannot get secondary DSI host\n"); - return -EPROBE_DEFER; - } + if (!dsi_r_host) + return dev_err_probe(dev, -EPROBE_DEFER, "Cannot get secondary DSI host= \n"); =20 nt->dsi[1] =3D mipi_dsi_device_register_full(dsi_r_host, info); if (!nt->dsi[1]) { --=20 2.44.0