From patchwork Fri Aug 30 06:32:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13784348 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 58E88CA0EE5 for ; Fri, 30 Aug 2024 06:26:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=jynTmEbsNPbnbXlh3p4aJ5N+Asm3/zWd8aMNWNhXKr0=; b=ut/HOtfZAuGD/nJ7ozctvSt675 5mnvB5QeytLGcBVBv4Cu8+ppmQD1ICr8QUzV4cWwwJnqFFmU3VG2Uhj8g7CaqK8pdS3Mp8LdgCx+K llUNhn30O3baZ3nPNhyzh0i2iPdrew+jDRRibQfImvZ0EZ0E7H93MMD/MoqlIDXk5PdFcRmxr9Vxc ydDvMFkaVgRU6zXALTLr5cWtAjkIP2XJoQ85C/JKWIV9e25Omocwtni1FyVWfUS1v1EmYgX5mFNRj D4XNFD9uXrvhmIrI/vt6kBBN2YqbjwGbKSSIA0Fhj08nOMJ4+7k0ECt+Zf24hFbbtPZPeyj3Czvkk dxDk49zQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjv5N-00000004wJ1-3ua4; Fri, 30 Aug 2024 06:26:17 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjv3y-00000004w4S-2zUn for linux-arm-kernel@bombadil.infradead.org; Fri, 30 Aug 2024 06:24:50 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:Content-Transfer-Encoding :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From: Sender:Reply-To:Content-ID:Content-Description; bh=jynTmEbsNPbnbXlh3p4aJ5N+Asm3/zWd8aMNWNhXKr0=; b=kL+JY/HhueCaFpp+Zjof3q9oX0 DL1SC9GqWnIfw4heUXaPv5erinLdT1N4GRKxlVCvjlhC2s9xdqgA7IRvOUOosK4KfM2at3cGZdRMW pni6uj8FqEmjfAjzWZIVU/NPZ9wGpSLSC5OE9Q1OXnSOYgQzP6Qqi7ZJmKk/rGSDnBm2tX46n3dWa fyE8QueXZFZmUTHdarh9XsD6/uksFrbwRDhGHvNyg6vc4Z5mE9qfAQwYOz5+rdyi8ZSidA6gej2IS HM9LK4FKWcVGUN9fsWkN5Xnn+05cEJEaAfF8uOq/V2dZltE4x/3l2Ka9iEzqyM/qdkgf/hRJ5+03G APa1kRvA==; Received: from szxga04-in.huawei.com ([45.249.212.190]) by desiato.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjv3n-0000000Ba8q-2eCo for linux-arm-kernel@lists.infradead.org; Fri, 30 Aug 2024 06:24:44 +0000 Received: from mail.maildlp.com (unknown [172.19.162.112]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4Ww7KG6ScQz20llM; Fri, 30 Aug 2024 14:19:30 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id 42F0A140136; Fri, 30 Aug 2024 14:24:22 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemh500013.china.huawei.com (7.202.181.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 30 Aug 2024 14:24:21 +0800 From: Jinjie Ruan To: , , , , , CC: Subject: [PATCH -next v2 3/4] soc: ti: knav_qmss_queue: Simplify with scoped for each OF child loop Date: Fri, 30 Aug 2024 14:32:27 +0800 Message-ID: <20240830063228.3519385-4-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240830063228.3519385-1-ruanjinjie@huawei.com> References: <20240830063228.3519385-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemh500013.china.huawei.com (7.202.181.146) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240830_072440_819062_D747B3C2 X-CRM114-Status: GOOD ( 10.63 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use scoped for_each_child_of_node_scoped() when iterating over device nodes to make code a bit simpler. Signed-off-by: Jinjie Ruan --- v2: - Split into 2 patches. - Rebased the newest next. - Update the commit message. --- drivers/soc/ti/knav_qmss_queue.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index 6c98738e548a..02983f8ba1b6 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -1082,7 +1082,6 @@ static int knav_queue_setup_regions(struct knav_device *kdev, struct device_node *regions __free(device_node) = of_get_child_by_name(node, "descriptor-regions"); struct knav_region *region; - struct device_node *child; u32 temp[2]; int ret; @@ -1090,10 +1089,9 @@ static int knav_queue_setup_regions(struct knav_device *kdev, return dev_err_probe(dev, -ENODEV, "descriptor-regions not specified\n"); - for_each_child_of_node(regions, child) { + for_each_child_of_node_scoped(regions, child) { region = devm_kzalloc(dev, sizeof(*region), GFP_KERNEL); if (!region) { - of_node_put(child); dev_err(dev, "out of memory allocating region\n"); return -ENOMEM; } @@ -1400,7 +1398,6 @@ static int knav_queue_init_qmgrs(struct knav_device *kdev, struct device_node *qmgrs __free(device_node) = of_get_child_by_name(node, "qmgrs"); struct knav_qmgr_info *qmgr; - struct device_node *child; u32 temp[2]; int ret; @@ -1408,10 +1405,9 @@ static int knav_queue_init_qmgrs(struct knav_device *kdev, return dev_err_probe(dev, -ENODEV, "queue manager info not specified\n"); - for_each_child_of_node(qmgrs, child) { + for_each_child_of_node_scoped(qmgrs, child) { qmgr = devm_kzalloc(dev, sizeof(*qmgr), GFP_KERNEL); if (!qmgr) { - of_node_put(child); dev_err(dev, "out of memory allocating qmgr\n"); return -ENOMEM; } @@ -1506,12 +1502,10 @@ static int knav_queue_init_pdsps(struct knav_device *kdev, { struct device *dev = kdev->dev; struct knav_pdsp_info *pdsp; - struct device_node *child; - for_each_child_of_node(pdsps, child) { + for_each_child_of_node_scoped(pdsps, child) { pdsp = devm_kzalloc(dev, sizeof(*pdsp), GFP_KERNEL); if (!pdsp) { - of_node_put(child); dev_err(dev, "out of memory allocating pdsp\n"); return -ENOMEM; }