From patchwork Tue Aug 20 06:56:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 820925 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) (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 9CF3F18E36B; Tue, 20 Aug 2024 06:49:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.188 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724136564; cv=none; b=khLmNfy5mN41K6Y/iZ2hhAuZxDEnPuuVowbyrbVmbxUWBSN+39V8yzfAMxrjfaYy1QA15WAoCZS8e7kDnmgX8qXhyasjAGfW3N0kpE6IVFxSq4UNuZ5X/qvyJ2i1a+pehA5z+m9czLX2b+kL8tosGaCfHJjPMY9/ldMyDPaJC0k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724136564; c=relaxed/simple; bh=hlhdFi5V1f0wXOwX08iasKeQHCJ0GHrGJirf5kJpTfM=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=HwCumMof44k1dDHZ07wCNdClSf4f6pJdsiDYVElYEKD6O/6D072VJwtWckId4oaLq+JfZTuUR1WwJ9wR4tln6hru08RSZQxpGCHavZe14fgHTx48M+1vm17Ck9z8E6jZFp/q8FrYMKQJn216XXSwCoRhuSdH4Wct4kK/zeCJesg= 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=45.249.212.188 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 [172.19.88.194]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Wp0QX3blKzpTHd; Tue, 20 Aug 2024 14:47:48 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id 1C4B914037B; Tue, 20 Aug 2024 14:49:18 +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; Tue, 20 Aug 2024 14:49:17 +0800 From: Jinjie Ruan To: , , , , , , , CC: Subject: [PATCH -next RESEND] usb: xhci: Simplify with scoped for each OF child loop Date: Tue, 20 Aug 2024 14:56:35 +0800 Message-ID: <20240820065635.560427-1-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-usb@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 kwepemh500013.china.huawei.com (7.202.181.146) Use scoped for_each_available_child_of_node_scoped() when iterating over device nodes to make code a bit simpler. Signed-off-by: Jinjie Ruan --- drivers/usb/host/ehci-exynos.c | 9 ++------- drivers/usb/host/ohci-exynos.c | 9 ++------- 2 files changed, 4 insertions(+), 14 deletions(-) diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index f40bc2a7a124..e3a961d3f5fc 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -48,7 +48,6 @@ struct exynos_ehci_hcd { static int exynos_ehci_get_phy(struct device *dev, struct exynos_ehci_hcd *exynos_ehci) { - struct device_node *child; struct phy *phy; int phy_number, num_phys; int ret; @@ -66,26 +65,22 @@ static int exynos_ehci_get_phy(struct device *dev, return 0; /* Get PHYs using legacy bindings */ - for_each_available_child_of_node(dev->of_node, child) { + for_each_available_child_of_node_scoped(dev->of_node, child) { ret = of_property_read_u32(child, "reg", &phy_number); if (ret) { dev_err(dev, "Failed to parse device tree\n"); - of_node_put(child); return ret; } if (phy_number >= PHY_NUMBER) { dev_err(dev, "Invalid number of PHYs\n"); - of_node_put(child); return -EINVAL; } phy = devm_of_phy_optional_get(dev, child, NULL); exynos_ehci->phy[phy_number] = phy; - if (IS_ERR(phy)) { - of_node_put(child); + if (IS_ERR(phy)) return PTR_ERR(phy); - } } exynos_ehci->legacy_phy = true; diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index bfa2eba4e3a7..1379e03644b2 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -37,7 +37,6 @@ struct exynos_ohci_hcd { static int exynos_ohci_get_phy(struct device *dev, struct exynos_ohci_hcd *exynos_ohci) { - struct device_node *child; struct phy *phy; int phy_number, num_phys; int ret; @@ -55,26 +54,22 @@ static int exynos_ohci_get_phy(struct device *dev, return 0; /* Get PHYs using legacy bindings */ - for_each_available_child_of_node(dev->of_node, child) { + for_each_available_child_of_node_scoped(dev->of_node, child) { ret = of_property_read_u32(child, "reg", &phy_number); if (ret) { dev_err(dev, "Failed to parse device tree\n"); - of_node_put(child); return ret; } if (phy_number >= PHY_NUMBER) { dev_err(dev, "Invalid number of PHYs\n"); - of_node_put(child); return -EINVAL; } phy = devm_of_phy_optional_get(dev, child, NULL); exynos_ohci->phy[phy_number] = phy; - if (IS_ERR(phy)) { - of_node_put(child); + if (IS_ERR(phy)) return PTR_ERR(phy); - } } exynos_ohci->legacy_phy = true;