From nobody Fri Apr 10 09:31:03 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C100C46467 for ; Wed, 4 Jan 2023 11:01:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230316AbjADLBD (ORCPT ); Wed, 4 Jan 2023 06:01:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36692 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234844AbjADLAa (ORCPT ); Wed, 4 Jan 2023 06:00:30 -0500 Received: from EUR05-VI1-obe.outbound.protection.outlook.com (mail-vi1eur05on2089.outbound.protection.outlook.com [40.107.21.89]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC11713E95; Wed, 4 Jan 2023 02:59:23 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=OhGg9k2VVEieGQ7U7t1ZiXJ75saoJqzkaMAjHbLgbx+IUktNt8ty505jK+8zlwuyh/z49De/wF7My2/cryKzyrdvMziEGpsou7pSl9KGMVLqDVea7oPnMH+BAZ3xRiTK2picF34ohxYhNns+ZqkQ5fO2i6+eBnyTu+EzcCi+D4EnZ+mvwoExV70OgGF5G2kdExCNpk5KlglON4LZcSyLUYH5ArRn+k425PLjZjxxDDmUtPMVoq7jTv0TMROl2mSW2mpb2obPkB3meuHq/xwg9vik+oE9bBiKvvUIiio2Wgh+FJVkqYvCs+MZZSeRHyq/UeHmYIPCNsILAc+WWh68Xg== 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=o6CiegboVE7urDb7K9mZCgm5h6p6eAA5uqbc013jGxo=; b=HW89DVnmt+cPH9faS2Ysv+me6kBffpnKeUV79nzzt69cIVP0pdYQq909hqNqUd3prkH/WFw7lHjDNsMOz7fToK+TnSrfAOAr/OF0fFXq3D/rnkxDFzBmzJq5ijD013OFT6UfhADGM+xbilT/0TTL/mxkW6dYnHjfJ5SX8u6ILiRcdSVgQ6TeVn0ldJ5jF0BUD51LfAfYeKhegytDvEYgGrlqnRox2prqtt66Jm3Xh/uniJdW5iElSVKv8HmtVPxIs1htJaxLWx4uPVx9wdRUgNzIlk4iXF4cKngG790PyWhU/HilOPt1A3qnQFgun4JKTP00HbMsdkEECh2Sf0Gs7A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector2-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=o6CiegboVE7urDb7K9mZCgm5h6p6eAA5uqbc013jGxo=; b=DQdrYcWh0hkkY6IynyVO9MX+5j4sShchyL8Ys3Kb2UROejI2VR1ClAKUfZm+VYnaK+pJKDOnaEkF7A8NmNbawFIfWPyE8Cab/9hOPtVnFCmyUw3TuFVJHW/XcyIX+7eZNIx4cATA+RSY2mz8VhsF+JK/dMlMUDCcHoJqdfs5WJk= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by PAXPR04MB8408.eurprd04.prod.outlook.com (2603:10a6:102:1c9::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5944.19; Wed, 4 Jan 2023 10:59:20 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::29b9:5061:2054:174b]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::29b9:5061:2054:174b%7]) with mapi id 15.20.5944.019; Wed, 4 Jan 2023 10:59:20 +0000 From: "Peng Fan (OSS)" To: abelvesa@kernel.org, abel.vesa@linaro.org, mturquette@baylibre.com, sboyd@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com Cc: linux-imx@nxp.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, aford173@gmail.com, Peng Fan Subject: [PATCH 2/4] clk: imx: get stdout clk count from device tree Date: Wed, 4 Jan 2023 19:00:30 +0800 Message-Id: <20230104110032.1220721-3-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230104110032.1220721-1-peng.fan@oss.nxp.com> References: <20230104110032.1220721-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SI2PR01CA0017.apcprd01.prod.exchangelabs.com (2603:1096:4:191::19) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU0PR04MB9417:EE_|PAXPR04MB8408:EE_ X-MS-Office365-Filtering-Correlation-Id: 2779fcd3-c594-4cfa-ccd5-08daee42bb58 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True 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:DU0PR04MB9417.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230022)(4636009)(346002)(39860400002)(376002)(136003)(396003)(366004)(451199015)(2906002)(8936002)(38100700002)(38350700002)(5660300002)(41300700001)(7416002)(86362001)(83380400001)(52116002)(66946007)(6486002)(66556008)(478600001)(6666004)(8676002)(4326008)(66476007)(316002)(1076003)(186003)(6506007)(26005)(6512007)(2616005);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?l2Lc73o8w533c1VpXWfv/tF8nVMPzlGOohRPnUnFkrpRtPfYErcgZBiDquRB?= =?us-ascii?Q?mCVsEWiuoDTTlXp0PpXELUHWwoE8XRC8zV4y3e7zCRWUF8/SDRSHpixXSghN?= =?us-ascii?Q?wHJqADYHLaRN0Vlyi62NeVYVTJmuPWRPDwn2JFcep6/MJtv3PGsZluwLjLyk?= =?us-ascii?Q?XYJEYDoyzeaEfbn7QYEz7/vcRAfhclS08FiPvx/CqEqNqYmCSw5N29dJMwBr?= =?us-ascii?Q?h3tbuVeLt+ndN4KUNFj0q6AR3LAjI127OhWCmtlXpzOWenD/2eRNk7dPJpsc?= =?us-ascii?Q?YIla0KqvVT2VFCV1YyyCVChmK06/A/UXtLqBG2dc1H0M2FaLsy3mXHrY4YUm?= =?us-ascii?Q?i8yifPuHbajTI2DYirNj2X3hsmgJBkDXRNQAIpCMpcX1l8BfK8JGzokiUGSA?= =?us-ascii?Q?pwrq9hKbQMByLIybUnkPc8cPplY4EC7Q0E/yQGbSGaTCZrT/fGhR0yXZ3W6l?= =?us-ascii?Q?QREKqdF7fLjQyjTfelkMHN/Ux3tVWvvw3PuvWa54vyEkAhj7KnCt4uS8uRkE?= =?us-ascii?Q?z2EFyRGcdbRf/JxPHlj+mOkJ3qxcM8vTzmTga5zFP2WzpWzL9HCx8Ktn9/54?= =?us-ascii?Q?npAn90lTLWKUu/jlxiuoiBsj9A7VwFEOY9a9cc70AysJJ8wSUfYquPBCpbfW?= =?us-ascii?Q?ktee467s6cTj+9+e4ynTtzZDuJuBlLjHnsxHvlDTQWWW4VmOs/KlA6nfGnNZ?= =?us-ascii?Q?E343MdkQf9TQHDyh5E3Q3sZNuuK/hOMfMLZn9RD7maq/vAf9PQg6Win3TYQi?= =?us-ascii?Q?ZaxcKL9Ya7CfevYINJs4MBPpOhxBgxVyYJdv0XyHH4YVnTlmkLWhQnjqXVEP?= =?us-ascii?Q?ivb5mZLiYqCrxIgr3jyd08BfTITEpusu1xAjJtrcsApVZDYBZMjv+ZW8bWqk?= =?us-ascii?Q?324+coTmQJ3f4N7Ew82ylBbr0Z0Kis4ksPZwlef92fyy9ljXaxYQNRqn0mPp?= =?us-ascii?Q?oRwhTFoQnVjyioz7RYC5z6c3mY49foeZbuaUVZHMpE6O3vT29W0DrW2Hi8Ik?= =?us-ascii?Q?rmdPZwh8KqaRBAAO1QmzAC1BU3Q2S7Wu4oPdK0YYnDrqDj7Srq1Ek2O7BYs5?= =?us-ascii?Q?8kAZ2049i9lCmXqQBcXM+4GiGavrsDGzpEN3iXQHzFnSf82lLfxVbnoYD7rW?= =?us-ascii?Q?SMJPF3RfZ1hxvQSLXCuPnKbOdTgbFE3vawzz2dYbx05aRf3BaUVSCqOZTXkV?= =?us-ascii?Q?vDOYoqh4ILyYLBVkbHE+FXuWVeRD9Q5dSMmwTX4e473X1cYCLhnSmbXJdmK/?= =?us-ascii?Q?dokgz4jikkXWCtb05hysdCPIAYmYZrRH4zBlaCbrft4YZrjF24slhox+cEOp?= =?us-ascii?Q?MycSC42ZLyoKP1fh5/RK97yYC7Y+aKZzH8Jf0+NnmwgDF2R+dzf4JANa//lM?= =?us-ascii?Q?IlPh0yacWPOTk80BvcmCrPJDrYUL2dUSkb5MaeIDdQQppMO+8oPbca9q7kkZ?= =?us-ascii?Q?bPTupNrYsG2VClTrXT0xJrSnuKhWWrp0UynHnx83VT/iN0PY5pcVzQapRW0P?= =?us-ascii?Q?e63oacn47OQxwqVEuIS2qrtKXf3oZ2G0y5/xIWZRdcaeAD8tSFBQClsS/Tf4?= =?us-ascii?Q?Hx83Y8yU0RpZ8+udcu+ayj6+DvHb/AfUAaGYG0yH?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2779fcd3-c594-4cfa-ccd5-08daee42bb58 X-MS-Exchange-CrossTenant-AuthSource: DU0PR04MB9417.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Jan 2023 10:59:20.6944 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: PCwZH2vaNFAWNDLaKvL3nXAkLnU4UEXxgHpqPgKRR9LLDZL3AUzhc4DXIkxaDod/1wOFA2OTKuq1LEpv2EqfUA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR04MB8408 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Peng Fan Currently the clk_count is specified by API users, but this parameter is wrongly used, for example, i.MX8M clk driver use 4, however the uart device tree node only use 2 clock entries. So let using of_clk_get_parent_count to get the exact clock count. Signed-off-by: Peng Fan --- drivers/clk/imx/clk.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c index 5b73a477f11f..df810f0ee16d 100644 --- a/drivers/clk/imx/clk.c +++ b/drivers/clk/imx/clk.c @@ -167,6 +167,8 @@ __setup_param("earlyprintk", imx_keep_uart_earlyprintk, =20 void imx_register_uart_clocks(unsigned int clk_count) { + unsigned int num __maybe_unused; + imx_enabled_uart_clocks =3D 0; =20 /* i.MX boards use device trees now. For build tests without CONFIG_OF, d= o nothing */ @@ -174,14 +176,18 @@ void imx_register_uart_clocks(unsigned int clk_count) if (imx_keep_uart_clocks) { int i; =20 - imx_uart_clocks =3D kcalloc(clk_count, sizeof(struct clk *), GFP_KERNEL); - if (!imx_uart_clocks) + num =3D of_clk_get_parent_count(of_stdout); + if (!num) return; =20 if (!of_stdout) return; =20 - for (i =3D 0; i < clk_count; i++) { + imx_uart_clocks =3D kcalloc(num, sizeof(struct clk *), GFP_KERNEL); + if (!imx_uart_clocks) + return; + + for (i =3D 0; i < num; i++) { imx_uart_clocks[imx_enabled_uart_clocks] =3D of_clk_get(of_stdout, i); =20 /* Stop if there are no more of_stdout references */ --=20 2.37.1