From patchwork Thu Aug 22 13:00:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Zekun X-Patchwork-Id: 821592 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (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 7ED1B1C9DD7 for ; Thu, 22 Aug 2024 13:14:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.187 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724332448; cv=none; b=uXoSTUNG+bTdOFIOFO8S5FEKaFmo6QYOph7owJiRsWkWIB+TdLjCtI857AZDtnuFgdX1cKTpkDXhUUkOZ4gvq+rfWFut25pj+6dmWUFSiswd+nlYJ5XLVhZE4X5lHqzXBDsHUjUxWBHkCgqgQ3UsckcJti+n1behwDzaJi1BeZk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724332448; c=relaxed/simple; bh=s9MQWXz5IJodwRmgFO/oIxBfeEx4Jn7QFqnmjC/v6Ck=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=clQn2hVRjR42iobXb31btMJKaCuKOV45kUwxn9+7Oglfg88PAg7h7izg/0v/oAe8I6CZ3h4/x9OT97ece5ohSVIDVX+kwqy54cwu5hRk1se4osFH+otzB618ZoteSsVsS7f+cRbJcehfqDN+fbYwQt1+teS8SviLF1aNfGyYaao= 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=45.249.212.187 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 [172.19.162.254]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4WqNtr4xt2zyR7V; Thu, 22 Aug 2024 21:13:40 +0800 (CST) Received: from kwepemf500003.china.huawei.com (unknown [7.202.181.241]) by mail.maildlp.com (Postfix) with ESMTPS id 844E01800FF; Thu, 22 Aug 2024 21:14:04 +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; Thu, 22 Aug 2024 21:14:03 +0800 From: Zhang Zekun To: , , , , CC: Subject: [PATCH 2/2] pmdomain: ti-sci: Use scope based of_node_put() to simplify code. Date: Thu, 22 Aug 2024 21:00:55 +0800 Message-ID: <20240822130055.50113-3-zhangzekun11@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240822130055.50113-1-zhangzekun11@huawei.com> References: <20240822130055.50113-1-zhangzekun11@huawei.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemf500003.china.huawei.com (7.202.181.241) Use scope based of_node_put() to simplify the code logic, and we don't need to call of_node_put(). Besides, put of_parse_phandle_with_args() in the while loop to make code more simple. Signed-off-by: Zhang Zekun --- drivers/pmdomain/ti/ti_sci_pm_domains.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/drivers/pmdomain/ti/ti_sci_pm_domains.c b/drivers/pmdomain/ti/ti_sci_pm_domains.c index 2b5c26713958..769dbff4ce89 100644 --- a/drivers/pmdomain/ti/ti_sci_pm_domains.c +++ b/drivers/pmdomain/ti/ti_sci_pm_domains.c @@ -131,9 +131,8 @@ static int ti_sci_pm_domain_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct ti_sci_genpd_provider *pd_provider; struct ti_sci_pm_domain *pd; - struct device_node *np; + struct device_node *np __free(device_node) = NULL; struct of_phandle_args args; - int ret; u32 max_id = 0; int index; @@ -153,12 +152,9 @@ static int ti_sci_pm_domain_probe(struct platform_device *pdev) for_each_node_with_property(np, "power-domains") { index = 0; - while (1) { - ret = of_parse_phandle_with_args(np, "power-domains", - "#power-domain-cells", - index, &args); - if (ret) - break; + while (!of_parse_phandle_with_args(np, "power-domains", + "#power-domain-cells", + index, &args)) { if (args.args_count >= 1 && args.np == dev->of_node) { of_node_put(args.np); @@ -172,18 +168,14 @@ static int ti_sci_pm_domain_probe(struct platform_device *pdev) } pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); - if (!pd) { - of_node_put(np); + if (!pd) return -ENOMEM; - } pd->pd.name = devm_kasprintf(dev, GFP_KERNEL, "pd:%d", args.args[0]); - if (!pd->pd.name) { - of_node_put(np); + if (!pd->pd.name) return -ENOMEM; - } pd->pd.power_off = ti_sci_pd_power_off; pd->pd.power_on = ti_sci_pd_power_on;