From patchwork Fri Mar 24 14:36:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chester Lin X-Patchwork-Id: 13186826 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 72775C6FD20 for ; Fri, 24 Mar 2023 14:38:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id: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=rK5lbPvQcPqdGR+KvqbF2r6rgc1EvgsvZhOFf12KPz4=; b=bSbAI13XuwEtm4 xhiPawJ+xWMlreyX3da3zqmWTIwIexZY8VP8NPgss7a2qveecIwr5vkceohrmZ4uerNHlpeO+Riqn vjWZ85c7qwG6//r/tQYLduz5D0ea4zfRg2jx7JhvxjEJQXWWRjivStsJvsP17b1O00i2eIoBZqPVi ei+4Qxzf66DEUMDEOCTiUm5ZIAm0oQsK5nso+SD2U2fEdCEWMpVtjziZ8k4r286A5WHVfilmdu7QU 0c7C6CxSXq/TqEP3gDFB05FBJBdHaGylqiIYXrE0m4rx3r2Z3pO6N9Ppz4Mu2RFyd9h0l+oWWRxkb rDDHlqtPisRZBesi5SKw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pfiXx-004efu-0F; Fri, 24 Mar 2023 14:37:37 +0000 Received: from mail-am6eur05on20626.outbound.protection.outlook.com ([2a01:111:f400:7e1b::626] helo=EUR05-AM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pfiXu-004eem-1i for linux-arm-kernel@lists.infradead.org; Fri, 24 Mar 2023 14:37:35 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=MxqusOopXuo6MS1IsrLhD8CN6EqZIKBlcMprOhvdMJpkjsZWfa6x9I093gkH84JLE5yddRyDpt1Y3ItJwRHcqfWkiXodpraYQh7YaCLyK26SXqovCi2QciFYBq9oXm0nkXFK9+3LLJqsqFJomWCv8Qh3SkW0zYrXV6i+nWCEeRkyhpWX2wSEQ1MZ2k8cS3s2JDWRP3M4XbfvbG3MFuIqZJQ699VslEF7s1YI19IK9bMbVKrBAWGUIcGN8eS7PzvoFe/IrJ8JmbpjXG+TWiZS4QwbiRwhzAmG8qjdcCLidFNcuRP6uUx3UZFWbEqxYhRK8Pe/rvfGayTlrfBSmL6sKg== 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=gA36rjGQaztJzKACtcCbtTz7Hrsky4bgENUo5JjXWaQ=; b=X2rKnAKdk0+E3TjnwBKJL0IDmWvVyYx+vL+0TcC6YmlJFEKWwgPA+cvSrYm+/Mi4wJ+5UvpS0vm9oyUdKievjsW1XBnEjgh+qGVKhTZmcp6rKgDpxOXruulvdqhSs0yKYmssQdQG5IOYvtLZZG42g7IYaCj0hGj9nL5MWhIL6gvGN7Htv3n8PY66EcznreyEBynjp8Kqzah9bEFyB9G16v1+GZ5s5BOW1lKi+O6IbxummJsk4r3v/BTumEB/UdZ6g0kxcmWQQZQZEHXpd379Y/F37Tk04M9ZR5qstw3kO6rpLpWeMyO63usdS4HBa54eGxWbIiUGElpcipOLrtE0Kw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=suse.com; dmarc=pass action=none header.from=suse.com; dkim=pass header.d=suse.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=gA36rjGQaztJzKACtcCbtTz7Hrsky4bgENUo5JjXWaQ=; b=2Fu3lyJaLu1IzPNf9895q/8CnMPl75yc3owaEm8Zzv8NMxLFtY8btZGtDGIpZB4phEmX/+K+yc1DLokqgHIuv5N969KwhTOWDtZc/dF3cCHeN409xrQ8ywSz/3RWqp7ZGO2ke7dxusPQBA6E/AXmiI+ExdIFNMAwX0zCAJaT211XsviqIL/2gZAD/NcL4N4suUEwufSgpNUJcojwXd63AuIU2dF5h1bQoX67bvb3n3/qXh7F4zncBc3s/p9DsFfOkWm810IdEojzaJuNY3VEEUkvCaTzmxLmPl8sS7GbdMVxmQ+AUYojc50BMyxWIa6Y3Uo/CuKpY/FBeg2mx7bt6g== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=suse.com; Received: from VI1PR0402MB3439.eurprd04.prod.outlook.com (2603:10a6:803:4::13) by VE1PR04MB7454.eurprd04.prod.outlook.com (2603:10a6:800:1a8::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6178.38; Fri, 24 Mar 2023 14:37:30 +0000 Received: from VI1PR0402MB3439.eurprd04.prod.outlook.com ([fe80::6802:b2c3:5f12:8f9f]) by VI1PR0402MB3439.eurprd04.prod.outlook.com ([fe80::6802:b2c3:5f12:8f9f%2]) with mapi id 15.20.6178.038; Fri, 24 Mar 2023 14:37:30 +0000 From: Chester Lin To: Linus Walleij , Andy Shevchenko Cc: Chester Lin , NXP S32 Linux Team , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Ghennadi Procopciuc , Andrei Stefanescu , Radu Pirea , =?utf-8?q?Andreas_F=C3=A4rber?= , Matthias Brugger Subject: [PATCH v4 2/5] pinctrl: s32cc: refactor pin config parsing Date: Fri, 24 Mar 2023 22:36:23 +0800 Message-Id: <20230324143626.16336-3-clin@suse.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20230324143626.16336-1-clin@suse.com> References: <20230324143626.16336-1-clin@suse.com> X-ClientProxiedBy: TYCP301CA0053.JPNP301.PROD.OUTLOOK.COM (2603:1096:400:384::20) To VI1PR0402MB3439.eurprd04.prod.outlook.com (2603:10a6:803:4::13) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VI1PR0402MB3439:EE_|VE1PR04MB7454:EE_ X-MS-Office365-Filtering-Correlation-Id: 36c981a7-8f04-46e3-f94b-08db2c754c1e 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:VI1PR0402MB3439.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(346002)(396003)(366004)(136003)(376002)(39850400004)(451199018)(8936002)(66946007)(66476007)(66556008)(41300700001)(4326008)(86362001)(8676002)(36756003)(38100700002)(6506007)(1076003)(6512007)(6666004)(26005)(83380400001)(186003)(2616005)(107886003)(316002)(6486002)(54906003)(110136005)(478600001)(5660300002)(7416002)(2906002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: suse.com X-MS-Exchange-CrossTenant-Network-Message-Id: 36c981a7-8f04-46e3-f94b-08db2c754c1e X-MS-Exchange-CrossTenant-AuthSource: VI1PR0402MB3439.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Mar 2023 14:37:30.6388 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f7a17af6-1c5c-4a36-aa8b-f5be247aa4ba X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: /2kBnO8EySvmRCcbw+xJHp8Xc/1MzHeOqEw/wqzIq6xjLTRRZRu2Zk+ItiR0kuq9 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7454 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230324_073734_569586_3B718CC8 X-CRM114-Status: GOOD ( 11.78 ) 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 Move common codes into smaller inline functions and remove argument checks that are not actually used by pull up/down bits in the S32 MSCR register. Signed-off-by: Chester Lin Reviewed-by: Andy Shevchenko --- (No change since v3) drivers/pinctrl/nxp/pinctrl-s32cc.c | 52 ++++++++++++++++++----------- 1 file changed, 33 insertions(+), 19 deletions(-) diff --git a/drivers/pinctrl/nxp/pinctrl-s32cc.c b/drivers/pinctrl/nxp/pinctrl-s32cc.c index f698e1a240ef..36f323f87785 100644 --- a/drivers/pinctrl/nxp/pinctrl-s32cc.c +++ b/drivers/pinctrl/nxp/pinctrl-s32cc.c @@ -474,11 +474,38 @@ static int s32_get_slew_regval(int arg) return -EINVAL; } -static int s32_get_pin_conf(enum pin_config_param param, u32 arg, - unsigned int *mask, unsigned int *config) +static inline void s32_pin_set_pull(enum pin_config_param param, + unsigned int *mask, unsigned int *config) { + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: + *config &= ~(S32_MSCR_PUS | S32_MSCR_PUE); + break; + case PIN_CONFIG_BIAS_PULL_UP: + *config |= S32_MSCR_PUS | S32_MSCR_PUE; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + *config &= ~S32_MSCR_PUS; + *config |= S32_MSCR_PUE; + break; + default: + return; + } + + *mask |= S32_MSCR_PUS | S32_MSCR_PUE; +} + +static int s32_parse_pincfg(unsigned long pincfg, unsigned int *mask, + unsigned int *config) +{ + enum pin_config_param param; + u32 arg; int ret; + param = pinconf_to_config_param(pincfg); + arg = pinconf_to_config_argument(pincfg); + switch (param) { /* All pins are persistent over suspend */ case PIN_CONFIG_PERSIST_STATE: @@ -508,26 +535,15 @@ static int s32_get_pin_conf(enum pin_config_param param, u32 arg, *config |= S32_MSCR_SRE((u32)ret); *mask |= S32_MSCR_SRE(~0); break; + case PIN_CONFIG_BIAS_DISABLE: case PIN_CONFIG_BIAS_PULL_UP: - if (arg) - *config |= S32_MSCR_PUS; - else - *config &= ~S32_MSCR_PUS; - fallthrough; case PIN_CONFIG_BIAS_PULL_DOWN: - if (arg) - *config |= S32_MSCR_PUE; - else - *config &= ~S32_MSCR_PUE; - *mask |= S32_MSCR_PUE | S32_MSCR_PUS; + s32_pin_set_pull(param, mask, config); break; case PIN_CONFIG_BIAS_HIGH_IMPEDANCE: *config &= ~(S32_MSCR_ODE | S32_MSCR_OBE | S32_MSCR_IBE); *mask |= S32_MSCR_ODE | S32_MSCR_OBE | S32_MSCR_IBE; - fallthrough; - case PIN_CONFIG_BIAS_DISABLE: - *config &= ~(S32_MSCR_PUS | S32_MSCR_PUE); - *mask |= S32_MSCR_PUS | S32_MSCR_PUE; + s32_pin_set_pull(param, mask, config); break; default: return -EOPNOTSUPP; @@ -553,9 +569,7 @@ static int s32_pinconf_mscr_update(struct pinctrl_dev *pctldev, pin_get_name(pctldev, pin_id), num_configs); for (i = 0; i < num_configs; i++) { - ret = s32_get_pin_conf(pinconf_to_config_param(configs[i]), - pinconf_to_config_argument(configs[i]), - &mask, &config); + ret = s32_parse_pincfg(configs[i], &mask, &config); if (ret) return ret; }