From patchwork Mon Dec 11 03:03:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 13486582 X-Patchwork-Delegate: kieran@bingham.xyz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=renesas.com header.i=@renesas.com header.b="YIx1Ykod" Received: from JPN01-OS0-obe.outbound.protection.outlook.com (mail-os0jpn01on2090.outbound.protection.outlook.com [40.107.113.90]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77370CE; Sun, 10 Dec 2023 19:03:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=JiuqkiFgC53ir1KLH3wy3NMZ4nyMGi6MbZE5hho2JMiSQo/cOvAmbmRoM33J63ry5iUp2XFsap/V2GFwErATBINmcsLeuTh9BclVtlZBu7jTRb2lptc9+5SP5TvmmmxNbKk0RmGHf+Eg4pSuWnUBf7nKnKx5PeMB4AlD08mTYUZEaB1OCsdrvakG7lXP5QteEmrOL038NUKNxYZ1okyYPzg0AXz5MddjU31JTiZKc4r22QasUsdpe9ehjY3bhf8KBugdOc9MzG8KLMX92Ft9nNwyJx43lwA1Z+jKpfavbdyK/LgS9VVs1yujgGarUDW3XbKuzXnzq8HLkpIKF+0jOA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=RgUkUYtygoxiqzMiBVycBlhtPag3tFrU4SqtSRyEFyI=; b=E34D5280JIHs71lgEWIdWkZ9YlmvzrXQQL0whSCY1sTrsqUuTn1Ztewn63gNyfSMaEJF+6wzG3iT4BY1q5KkTW9vkXRD+nRcfQ3G4+/2YVT0gjg9rLSQy/joYyZfYjW4xrvGqVp2gfEZpfs3VDggQJm1iL18hdf2NtW2MQGo0viA9uRzL2J52zDPav+cBQdaIPQjcgahtbFAgLGYwyk3RL2iNgBN6qqMm/qpqxxxSexRy3MoqDiN0lD7btuWr7/Cs5CI4FXmw/hKsd7iUfDcKMs8wrKvnMFeiWUIs85SSMUED2hq6EPbzGHGN58eA6xHReyRYhqLJsYEiIQGaCyXqA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=renesas.com; dmarc=pass action=none header.from=renesas.com; dkim=pass header.d=renesas.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=renesas.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=RgUkUYtygoxiqzMiBVycBlhtPag3tFrU4SqtSRyEFyI=; b=YIx1YkodZ66RJ83czVEFP+VhadOXwfHD7zwQ3pmbt7u1XX8uo91dSrTuRC/cOYSg63j7MCY290AHDsZLRquU3ARhAp4EcOdBiYNYpB0ubH6M1QKBtG/xzHnR0BhPodN89WOW9AP2VEk2qVA+5fkrCByVxHd59c62CpRVFNijFKk= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=renesas.com; Received: from TYCPR01MB10914.jpnprd01.prod.outlook.com (2603:1096:400:3a9::11) by TYCPR01MB11269.jpnprd01.prod.outlook.com (2603:1096:400:3c0::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7091.21; Mon, 11 Dec 2023 03:03:13 +0000 Received: from TYCPR01MB10914.jpnprd01.prod.outlook.com ([fe80::5732:673b:846c:ed92]) by TYCPR01MB10914.jpnprd01.prod.outlook.com ([fe80::5732:673b:846c:ed92%4]) with mapi id 15.20.7091.020; Mon, 11 Dec 2023 03:03:13 +0000 Message-ID: <87ttopo2z2.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto Subject: [PATCH v4 2/4] of: add of_get_next_status_child() and makes more generic of_get_next User-Agent: Wanderlust/2.15.9 Emacs/27.1 Mule/6.0 To: Frank Rowand , Geert Uytterhoeven , Michael Turquette , Rob Herring , Stephen Boyd Cc: Rob Herring , devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Aymeric Aillet , Yusuke Goda In-Reply-To: <87wmtlo2zs.wl-kuninori.morimoto.gx@renesas.com> References: <87wmtlo2zs.wl-kuninori.morimoto.gx@renesas.com> Date: Mon, 11 Dec 2023 03:03:13 +0000 X-ClientProxiedBy: TYCPR01CA0122.jpnprd01.prod.outlook.com (2603:1096:400:26d::11) To TYCPR01MB10914.jpnprd01.prod.outlook.com (2603:1096:400:3a9::11) Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TYCPR01MB10914:EE_|TYCPR01MB11269:EE_ X-MS-Office365-Filtering-Correlation-Id: 7136e5bd-c198-4154-3ec6-08dbf9f5b6e9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:TYCPR01MB10914.jpnprd01.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(39860400002)(366004)(396003)(136003)(376002)(346002)(230922051799003)(451199024)(64100799003)(1800799012)(186009)(6512007)(6506007)(5660300002)(26005)(2616005)(107886003)(36756003)(7416002)(54906003)(66476007)(66556008)(66946007)(6486002)(2906002)(83380400001)(41300700001)(38350700005)(478600001)(86362001)(8676002)(8936002)(4326008)(52116002)(110136005)(316002)(38100700002)(41533002);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: renesas.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7136e5bd-c198-4154-3ec6-08dbf9f5b6e9 X-MS-Exchange-CrossTenant-AuthSource: TYCPR01MB10914.jpnprd01.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Dec 2023 03:03:13.5153 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 53d82571-da19-47e4-9cb4-625a166a4a2a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ++Udblxw6TjYuyEqDaLX6p6Sq+LujbcaYFnl1wz2gU8c6BObF29mc+qGZQbXamSm5X5DzS73TT4npTR7hgD7+JyCiuyfh9f6CEOvd3SHcVgWSQrCjAxn7mbuWMDg1NiX X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYCPR01MB11269 Linux Kernel has of_get_next_available_child(). Add more generic of_get_next_status_child() to enable to use same logic for other status. Signed-off-by: Kuninori Morimoto Tested-by: Yusuke Goda Reviewed-by: Rob Herring Reviewed-by: Geert Uytterhoeven --- drivers/of/base.c | 29 ++++++++++++++++++----------- 1 file changed, 18 insertions(+), 11 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index 3cb467a7e747..25c841a3882f 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -612,16 +612,9 @@ struct device_node *of_get_next_child(const struct device_node *node, } EXPORT_SYMBOL(of_get_next_child); -/** - * of_get_next_available_child - Find the next available child node - * @node: parent node - * @prev: previous child of the parent node, or NULL to get first - * - * This function is like of_get_next_child(), except that it - * automatically skips any disabled nodes (i.e. status = "disabled"). - */ -struct device_node *of_get_next_available_child(const struct device_node *node, - struct device_node *prev) +static struct device_node *of_get_next_status_child(const struct device_node *node, + struct device_node *prev, + bool (*checker)(const struct device_node *)) { struct device_node *next; unsigned long flags; @@ -632,7 +625,7 @@ struct device_node *of_get_next_available_child(const struct device_node *node, raw_spin_lock_irqsave(&devtree_lock, flags); next = prev ? prev->sibling : node->child; for (; next; next = next->sibling) { - if (!__of_device_is_available(next)) + if (!checker(next)) continue; if (of_node_get(next)) break; @@ -641,6 +634,20 @@ struct device_node *of_get_next_available_child(const struct device_node *node, raw_spin_unlock_irqrestore(&devtree_lock, flags); return next; } + +/** + * of_get_next_available_child - Find the next available child node + * @node: parent node + * @prev: previous child of the parent node, or NULL to get first + * + * This function is like of_get_next_child(), except that it + * automatically skips any disabled nodes (i.e. status = "disabled"). + */ +struct device_node *of_get_next_available_child(const struct device_node *node, + struct device_node *prev) +{ + return of_get_next_status_child(node, prev, __of_device_is_available); +} EXPORT_SYMBOL(of_get_next_available_child); /**