From patchwork Sun Jul 21 15:19:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Carrasco X-Patchwork-Id: 13738035 Received: from mail-ej1-f46.google.com (mail-ej1-f46.google.com [209.85.218.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF5D916B3AD; Sun, 21 Jul 2024 15:19:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.46 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721575173; cv=none; b=Ps7D7wd0dc1k3FzD3yJMo3a9HCxF9PiMwvhMx4d5Gvr5K2hkOZFGwwQsW0ZGYqkB8yzRYjjnF1tSptYoU15uLDIjm+K6lziMc1ZVARAcRsfYZC7QdKm7nyEBH2uK/qslyPIfocYWS1FoDSj73jsb3JqZfEhEZh67yMCohl0TPiM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721575173; c=relaxed/simple; bh=IZz056KNV/K5vy8xE0mpvGhKiXnzIveHDDS4W0kv+KA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=WoXFdjRbDA1NEzVCJ/Nb2X1MNQ1Lckny9Jmb9PSh/cJ7J+axxn/twMWbW55ZiwYFifcwdy8kXsyIF1lNds+Q/3qp7VAaD6l3R5WWaw8ox7zcdbrbNA68yAcA20P1vGkquhhioqWHcJrrUNVXyIl6Ucl13CoyRuz6YWI0ITct7lA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=PsDTo0Z+; arc=none smtp.client-ip=209.85.218.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="PsDTo0Z+" Received: by mail-ej1-f46.google.com with SMTP id a640c23a62f3a-a77baa87743so367070666b.3; Sun, 21 Jul 2024 08:19:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721575170; x=1722179970; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=UCaeppO5TKYQKt2aHsXVMJ2MVvG+IrdjQ14PrXl1bh0=; b=PsDTo0Z+xpbzxgrVTn4r2Krq254svorwrSKsYndG2InltVmeOhZjofFhtBS3vKcyhG eHV7SUxF9YD3/M4unSScyCdDqoJ13orTPC2F24r23B0VcIwsb+rMSEMcdvaN/fsBNQEh SkeLTfK9XI4twqc8Z84xIm4DChlr5LeVZ4c192lDIWl2ZZ4UVM7N5UuVm8/DYtaULrd1 QGnXZUW+kjnsMpkSAJyEAeQ7ixuTgmVaBx/SZHev+IfWFuDQmo3EdfMqWaa585jBp7l0 2CjBlPUasav8l0yidKbQFGJK7hfw4bzt1JtAmFx3wgzrFmvz6eXT60D+qqqv0NuPRoFz lHdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721575170; x=1722179970; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=UCaeppO5TKYQKt2aHsXVMJ2MVvG+IrdjQ14PrXl1bh0=; b=F83PcdDfSoTNaG+zIYn20nxfg7Z6Eji2mET31x9ODyGykpU1+PiaGfF8uygquIotSP Bq06zupdpYbsKALIKiIbrLvOP/ryAfuX+tDyO4UhT8de9OgIRqsduSxKjExGlAQOB5oP P+npAXseWSvfQiHqFD6n7Krfjmz4s+5NJ5dTG8UOl/SuNyJHc3IxCDAQd/qkOafgDLNX FKSHmATyTNov+Eao/bs4UQHtlKmKjnBQpCnxzEPf0xa0LD5O9qCfk1wmkAPPw5La7vYS Oa90CMwN65ry/W91fXYtMJzTnpx3Ik3pBPBaCHAVSNTl8T2zvpa9oZuwUYTJtiEpVNWh D6aw== X-Forwarded-Encrypted: i=1; AJvYcCUz6G9DasdzhFkoKcX3bw2Fhlf8CHCJS8uz7SRtYjecdivQ8pCVoYyAndly2TX3uaoBimua7oOPOwx9R1LKGGxFhg7IgJpXiazAL7ze8x8phU6tsxquJayHZfcIO67gGenhtKhEkbPtjym1IAUtUWlYMFUn2VmYSDJZ0x5vmVYkWqPLsqYN6apWF+a9ibEgpfMQuWLyNkY5N0F70YtQ X-Gm-Message-State: AOJu0YzS9SwuhD4EaiJGnVQ14LkO1ol30mzxT943LHa6b1MxgjnSDPb8 RG6C/6LzQbq1a/cV7kpC9YmBG+LUi4psEWe/vSUe4j7nMF464DaH X-Google-Smtp-Source: AGHT+IHxuJd7XSf6nb/ITawU9NSqfoOysNSpBdPER5Ug2vlASU0Mv26PZB28946+o5vf6kRkZ120kQ== X-Received: by 2002:a17:907:72c1:b0:a6f:b702:8a21 with SMTP id a640c23a62f3a-a7a4c4711d8mr313073866b.63.1721575169807; Sun, 21 Jul 2024 08:19:29 -0700 (PDT) Received: from [127.0.1.1] (2a02-8389-41cf-e200-859e-243c-21d1-9ff6.cable.dynamic.v6.surfer.at. [2a02:8389:41cf:e200:859e:243c:21d1:9ff6]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a7a3c78603dsm302270366b.8.2024.07.21.08.19.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Jul 2024 08:19:29 -0700 (PDT) From: Javier Carrasco Date: Sun, 21 Jul 2024 17:19:05 +0200 Subject: [PATCH v2 5/6] leds: pca995x: use device_for_each_child_node() to access device child nodes Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240721-device_for_each_child_node-available-v2-5-f33748fd8b2d@gmail.com> References: <20240721-device_for_each_child_node-available-v2-0-f33748fd8b2d@gmail.com> In-Reply-To: <20240721-device_for_each_child_node-available-v2-0-f33748fd8b2d@gmail.com> To: Greg Kroah-Hartman , "Rafael J. Wysocki" , Andy Shevchenko , Jonathan Cameron , Rob Herring , Daniel Scally , Heikki Krogerus , Sakari Ailus , Jean Delvare , Guenter Roeck , Pavel Machek , Lee Jones , Marcin Wojtas , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andreas Kemnade Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-leds@vger.kernel.org, netdev@vger.kernel.org, Javier Carrasco , Jonathan Cameron X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1721575158; l=2070; i=javier.carrasco.cruz@gmail.com; s=20240312; h=from:subject:message-id; bh=IZz056KNV/K5vy8xE0mpvGhKiXnzIveHDDS4W0kv+KA=; b=0Hk6DPbuVgat91nCbXV2Uc5dy+J5iKlJx6cRKAKwJr7juKeeou3yTnjpfStfyQu+WL6OixVhc lD4IQMFZXQSDDVSS2NouYI1/3ePm+ZSC6gokltOpL2DR856jpP9HQwO X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=lzSIvIzMz0JhJrzLXI0HAdPwsNPSSmEn6RbS+PTS9aQ= The iterated nodes are direct children of the device node, and the `device_for_each_child_node()` macro accounts for child node availability. `fwnode_for_each_available_child_node()` is meant to access the child nodes of an fwnode, and therefore not direct child nodes of the device node. Use `device_for_each_child_node()` to indicate device's direct child nodes. Reviewed-by: Jonathan Cameron Signed-off-by: Javier Carrasco --- drivers/leds/leds-pca995x.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/leds/leds-pca995x.c b/drivers/leds/leds-pca995x.c index 78215dff1499..a5b32eaba724 100644 --- a/drivers/leds/leds-pca995x.c +++ b/drivers/leds/leds-pca995x.c @@ -102,7 +102,7 @@ static const struct regmap_config pca995x_regmap = { static int pca995x_probe(struct i2c_client *client) { struct fwnode_handle *led_fwnodes[PCA995X_MAX_OUTPUTS] = { 0 }; - struct fwnode_handle *np, *child; + struct fwnode_handle *child; struct device *dev = &client->dev; struct pca995x_chip *chip; struct pca995x_led *led; @@ -110,8 +110,7 @@ static int pca995x_probe(struct i2c_client *client) btype = (unsigned long)device_get_match_data(&client->dev); - np = dev_fwnode(dev); - if (!np) + if (!dev_fwnode(dev)) return -ENODEV; chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL); @@ -125,17 +124,13 @@ static int pca995x_probe(struct i2c_client *client) i2c_set_clientdata(client, chip); - fwnode_for_each_available_child_node(np, child) { + device_for_each_child_node(dev, child) { ret = fwnode_property_read_u32(child, "reg", ®); - if (ret) { - fwnode_handle_put(child); + if (ret) return ret; - } - if (reg < 0 || reg >= PCA995X_MAX_OUTPUTS || led_fwnodes[reg]) { - fwnode_handle_put(child); + if (reg < 0 || reg >= PCA995X_MAX_OUTPUTS || led_fwnodes[reg]) return -EINVAL; - } led = &chip->leds[reg]; led_fwnodes[reg] = child;