From patchwork Wed Aug 28 07:38:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Zekun X-Patchwork-Id: 13780852 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) (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 16C8A158A04 for ; Wed, 28 Aug 2024 07:51:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.189 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724831513; cv=none; b=Cpk1Y6je+zPN5UEiOAqQ8Hcm1Gqv8ktV1j2a3smipAol5Acl4M1HgaOjA5qDpuWHxCF57ccXjRwAl4sx58em8AQVO/m3HqIJWOgAgLPbmH/4hr3c2ehJTMpc2/uie6JR4nh0mAX6W9rCIsiIJn9cbQppqwKtXRvxZ8AzsSWMApw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724831513; c=relaxed/simple; bh=s/RZ5Op0SHFsFAHxNX9PzxkEk5CdJXWmJoLNQUC8iYo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=UDhw3fMK4tvmhJOjoNh0adFMoyu7agH3gqvi6Xje1siUQXV+UH17/4dVEVEhaskI84E5dUM3DLlInk1PLKJ1U3Yys1NUNYIeE5POvxpCcrYagAwJcpNNYazvQqlCcP0uUbzoylwNVG0OtitRw/fZhWoKAUuwwDorz+2W75yOxb0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.189 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.88.105]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4WtxM82bMWzQqyv; Wed, 28 Aug 2024 15:47:00 +0800 (CST) Received: from kwepemf500003.china.huawei.com (unknown [7.202.181.241]) by mail.maildlp.com (Postfix) with ESMTPS id 06A4A14035E; Wed, 28 Aug 2024 15:51:50 +0800 (CST) Received: from huawei.com (10.175.112.208) by kwepemf500003.china.huawei.com (7.202.181.241) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Wed, 28 Aug 2024 15:51:48 +0800 From: Zhang Zekun To: , , , , , , , , , , , , , , , CC: Subject: [PATCH 4/5] PCI: apple: Use helper function for_each_child_of_node_scoped() Date: Wed, 28 Aug 2024 15:38:24 +0800 Message-ID: <20240828073825.43072-5-zhangzekun11@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240828073825.43072-1-zhangzekun11@huawei.com> References: <20240828073825.43072-1-zhangzekun11@huawei.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemf500003.china.huawei.com (7.202.181.241) for_each_child_of_node_scoped() provides a scope-based cleanup functinality to put the device_node automatically, and we don't need to call of_node_put() directly. Let's simplify the code a bit with the use of these functions. Signed-off-by: Zhang Zekun Reviewed-by: Jonathan Cameron --- drivers/pci/controller/pcie-apple.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/pci/controller/pcie-apple.c b/drivers/pci/controller/pcie-apple.c index fefab2758a06..f1bd20a64b67 100644 --- a/drivers/pci/controller/pcie-apple.c +++ b/drivers/pci/controller/pcie-apple.c @@ -764,7 +764,6 @@ static int apple_pcie_init(struct pci_config_window *cfg) { struct device *dev = cfg->parent; struct platform_device *platform = to_platform_device(dev); - struct device_node *of_port; struct apple_pcie *pcie; int ret; @@ -787,11 +786,10 @@ static int apple_pcie_init(struct pci_config_window *cfg) if (ret) return ret; - for_each_child_of_node(dev->of_node, of_port) { + for_each_child_of_node_scoped(dev->of_node, of_port) { ret = apple_pcie_setup_port(pcie, of_port); if (ret) { dev_err(pcie->dev, "Port %pOF setup fail: %d\n", of_port, ret); - of_node_put(of_port); return ret; } }