From nobody Sun Feb 8 01:34:12 2026 Received: from out-178.mta1.migadu.com (out-178.mta1.migadu.com [95.215.58.178]) (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 D8984157472 for ; Fri, 3 May 2024 16:42:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.178 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714754524; cv=none; b=LvoOpAo8UH91bvBN0eYyXSDkdVUZduHC+TSdzGRBezXO2eKp7su45SO74PjV9QrmAktio4KVaCd9EFPvG6PDi8AB/3RfT40UvM29p7TIMmhLrfGNmdOLHRO5txnwaN7ZqEXfcpUAGMsWMyczpZ4ZiYygH1wO9BjhEspRuJbDz/M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714754524; c=relaxed/simple; bh=5KQULLxyxu/ooDB/SLMB2DQ5twNYvG3KmWr+5XCmfw4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=JVe3mqZIZSWOLlkVnuNovuUkhCcvu23UgC7CYipWLNOWAtuv1yKWYJnRlyfe3xCD74c14A12NZQy6Jh2C5mmly4fBhUbqgFPOqBYuFJRlFaUsvNBHKGuZVNgUijcGVLX/tdP3Ljeg9vhrc2CoLjkBJsyWU7dfobBv8r4KetAkGU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=UNr4E4FS; arc=none smtp.client-ip=95.215.58.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="UNr4E4FS" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1714754521; 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=MXsXWgPRCBE+gQiOjOKdcnsB3GxdmAh+Hr/Bm86MRo8=; b=UNr4E4FSFKlIa3SVv2RjJPn9HwLYSYiEMt4GQpa0BZblh+8PiJSYT9E8O/xcZJZnTD1X9x BsWtaJpDEEWBGBWstY0TGNmqK+k6RGlG5eQMPUT6DwwbWScA529MqNlSGgKpsVQYZjc5V7 4Tlyfch7TEZcVSOcfYmJ9xHqv2+0mIo= From: Sui Jingfeng To: Andrzej Hajda Cc: Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Sui Jingfeng Subject: [PATCH v5 09/10] drm/bridge: ch7033: Switch to use fwnode based APIs Date: Sat, 4 May 2024 00:41:05 +0800 Message-Id: <20240503164106.1172650-10-sui.jingfeng@linux.dev> In-Reply-To: <20240503164106.1172650-1-sui.jingfeng@linux.dev> References: <20240503164106.1172650-1-sui.jingfeng@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" Use the freshly created helper to replace the use of DT-dependent APIs, also print error log if the fwnode graph is not complete which is benefit to debug. Signed-off-by: Sui Jingfeng --- drivers/gpu/drm/bridge/chrontel-ch7033.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/chrontel-ch7033.c b/drivers/gpu/drm/bri= dge/chrontel-ch7033.c index c83486cf6b15..d856ad0987cc 100644 --- a/drivers/gpu/drm/bridge/chrontel-ch7033.c +++ b/drivers/gpu/drm/bridge/chrontel-ch7033.c @@ -531,6 +531,7 @@ static const struct regmap_config ch7033_regmap_config = =3D { static int ch7033_probe(struct i2c_client *client) { struct device *dev =3D &client->dev; + struct fwnode_handle *fwnode =3D dev_fwnode(dev); struct ch7033_priv *priv; unsigned int val; int ret; @@ -541,10 +542,15 @@ static int ch7033_probe(struct i2c_client *client) =20 dev_set_drvdata(dev, priv); =20 - ret =3D drm_of_find_panel_or_bridge(dev->of_node, 1, -1, NULL, - &priv->next_bridge); - if (ret) + priv->next_bridge =3D drm_bridge_find_next_bridge_by_fwnode(fwnode, 1); + if (IS_ERR(priv->next_bridge)) { + ret =3D PTR_ERR(priv->next_bridge); + dev_err(dev, "Error in founding the next bridge: %d\n", ret); return ret; + } else if (!priv->next_bridge) { + dev_dbg(dev, "Next bridge not found, deferring probe\n"); + return -EPROBE_DEFER; + } =20 priv->regmap =3D devm_regmap_init_i2c(client, &ch7033_regmap_config); if (IS_ERR(priv->regmap)) { @@ -575,7 +581,7 @@ static int ch7033_probe(struct i2c_client *client) =20 INIT_LIST_HEAD(&priv->bridge.list); priv->bridge.funcs =3D &ch7033_bridge_funcs; - priv->bridge.of_node =3D dev->of_node; + drm_bridge_set_node(&priv->bridge, fwnode); drm_bridge_add(&priv->bridge); =20 dev_info(dev, "Chrontel CH7033 Video Encoder\n"); --=20 2.34.1