From patchwork Fri Jul 14 08:06:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yangtao Li X-Patchwork-Id: 703027 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 EEB3BEB64DC for ; Fri, 14 Jul 2023 08:09:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234411AbjGNIJj (ORCPT ); Fri, 14 Jul 2023 04:09:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233975AbjGNIJB (ORCPT ); Fri, 14 Jul 2023 04:09:01 -0400 Received: from APC01-PSA-obe.outbound.protection.outlook.com (mail-psaapc01on2127.outbound.protection.outlook.com [40.107.255.127]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC58F49DB; Fri, 14 Jul 2023 01:06:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ZfS8WlMgyQXp/GgBps6LYFDjojM5xPm49+bdeB0zA3Ag7V7bbMwEQgpfY8A6WuSV5Py8DBbVO5MRv+3UMmpCtVHFKTKfQRCmZltp2RfMShSU3mi3ywy4aIMUhfee/zyb0M1Z5Py82/sDi3mTrrd6ERSew9/Gjjns+luLluLLx3qVKKy74AAmvmNt9EUjRy3BTrTu1NWDhvqt5zX9rJqbTsmjjhoWHXpBVOpxUE48BDnevOw76paFgdxdLKPLngNuaCg2+0ySBiCiNKPTOrcgEtfLlrzQTiGXrKfDjGz4PNdNEZYhh8tHnwqQM+mnwFrW/6hEDXguBO9mUSpx3NAZ2A== 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=qGZS1aX1YoU5sn+WGWBNX293+dnAu8SuwDDxkW/KL9w=; b=c9qYMmF53+229hkoiztlb4sWVW4tt+bOegtwNsmBuZCqVURe2Cx/TAO+BuTwyf7ibMMlnyj6KAAH7Omnr9GdwAhetJPn5yA2tvroGKLiONjOS10i3YMYxfUadrlghRFMHRo7jr9EkMt7KqkS7+ai6t/TOH33kMB9BCNdTSLOhFVeioz/GG8K88ZZvjWNIAVlG8Pzzm8/Ix3ReBskfm6Yfw91PxCvkokbIBRh9wLmBu7U7BYE8YqlCh9YuXtJtKcImde1JdHCu0F2bwql/8jJqu5LK5nKxkOyPCruuYRWm+MKV7PuHkvw0zQ21zYmsX/c9hUDOzkCqxks3d38JE/Vmw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vivo.com; dmarc=pass action=none header.from=vivo.com; dkim=pass header.d=vivo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vivo.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=qGZS1aX1YoU5sn+WGWBNX293+dnAu8SuwDDxkW/KL9w=; b=ayJubJnPx08xGwsindauVxPUfbPpnQT+9FvN4pjfdhwl73lg3KU7bjzrqcFStFLPFuqM0XZtproJZZXZyE0VS/s5GP+j53XJsE4qOlVTFUHb392lPFOmUEH0+n10UVVr6Hnk98aejCraNLSUeuDhs2qqc9YI2YlezX8nqHN6sq5ZRDAJ/Abq3Iv+g1WJwQnZvk1k205QF/qr1ShQ0mvNAoV94BrswKNIw2N1BIQftAl0RnvYmnXBUjvX4x8kKcV/rcIvDmq7dIz/BQaVzc3PSJ6YyVte+++F7zcI/2SarUyy0QSkdRSuVKUjgiPHYybzCD79Geai1DAlWtDtHTNF8g== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com; Received: from SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) by TYZPR06MB4510.apcprd06.prod.outlook.com (2603:1096:400:65::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6588.27; Fri, 14 Jul 2023 08:06:25 +0000 Received: from SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::fa0e:6c06:7474:285c]) by SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::fa0e:6c06:7474:285c%5]) with mapi id 15.20.6565.028; Fri, 14 Jul 2023 08:06:24 +0000 From: Yangtao Li To: Dmitry Torokhov Cc: Yangtao Li , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/8] Input: mcs-touchkey - convert to use devm_* api Date: Fri, 14 Jul 2023 16:06:06 +0800 Message-Id: <20230714080611.81302-3-frank.li@vivo.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230714080611.81302-1-frank.li@vivo.com> References: <20230714080611.81302-1-frank.li@vivo.com> X-ClientProxiedBy: TYCPR01CA0108.jpnprd01.prod.outlook.com (2603:1096:405:4::24) To SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SEZPR06MB5269:EE_|TYZPR06MB4510:EE_ X-MS-Office365-Filtering-Correlation-Id: 2e30b41d-f05f-4d91-4654-08db844137a9 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:SEZPR06MB5269.apcprd06.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230028)(4636009)(366004)(396003)(346002)(376002)(136003)(39860400002)(451199021)(66946007)(4326008)(66556008)(66476007)(6916009)(41300700001)(2906002)(316002)(478600001)(5660300002)(8936002)(8676002)(6666004)(6486002)(52116002)(6512007)(26005)(186003)(36756003)(6506007)(83380400001)(38100700002)(1076003)(2616005)(86362001)(38350700002); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2e30b41d-f05f-4d91-4654-08db844137a9 X-MS-Exchange-CrossTenant-AuthSource: SEZPR06MB5269.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jul 2023 08:06:24.6091 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: F0FrwISd+NVVJeZ/Us8DaOa+8qr4KRVkL8xQSrgWZafOPsbqHB6BhqK7hbxYNf9k5O+1MIgj0jCZLw3w6FtS8A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR06MB4510 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Use devm_* api to simplify code, this makes it unnecessary to explicitly release resources. Signed-off-by: Yangtao Li --- drivers/input/keyboard/mcs_touchkey.c | 51 +++++++++++---------------- 1 file changed, 21 insertions(+), 30 deletions(-) diff --git a/drivers/input/keyboard/mcs_touchkey.c b/drivers/input/keyboard/mcs_touchkey.c index de312d8eb974..a0d2e3b1bdc9 100644 --- a/drivers/input/keyboard/mcs_touchkey.c +++ b/drivers/input/keyboard/mcs_touchkey.c @@ -92,10 +92,18 @@ static irqreturn_t mcs_touchkey_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +static void mcs_touchkey_poweroff(void *data) +{ + struct mcs_touchkey_data *touchkey = data; + + touchkey->poweron(false); +} + static int mcs_touchkey_probe(struct i2c_client *client) { const struct i2c_device_id *id = i2c_client_get_device_id(client); const struct mcs_platform_data *pdata; + struct device *dev = &client->dev; struct mcs_touchkey_data *data; struct input_dev *input_dev; unsigned int fw_reg; @@ -109,13 +117,12 @@ static int mcs_touchkey_probe(struct i2c_client *client) return -EINVAL; } - data = kzalloc(struct_size(data, keycodes, pdata->key_maxval + 1), + data = devm_kzalloc(dev, struct_size(data, keycodes, pdata->key_maxval + 1), GFP_KERNEL); - input_dev = input_allocate_device(); + input_dev = devm_input_allocate_device(dev); if (!data || !input_dev) { dev_err(&client->dev, "Failed to allocate memory\n"); - error = -ENOMEM; - goto err_free_mem; + return -ENOMEM; } data->client = client; @@ -136,9 +143,8 @@ static int mcs_touchkey_probe(struct i2c_client *client) fw_ver = i2c_smbus_read_byte_data(client, fw_reg); if (fw_ver < 0) { - error = fw_ver; dev_err(&client->dev, "i2c read error[%d]\n", error); - goto err_free_mem; + return fw_ver; } dev_info(&client->dev, "Firmware version: %d\n", fw_ver); @@ -169,40 +175,26 @@ static int mcs_touchkey_probe(struct i2c_client *client) if (pdata->poweron) { data->poweron = pdata->poweron; data->poweron(true); + + error = devm_add_action_or_reset(dev, mcs_touchkey_poweroff, data); + if (error) + return error; } - error = request_threaded_irq(client->irq, NULL, mcs_touchkey_interrupt, - IRQF_TRIGGER_FALLING | IRQF_ONESHOT, - client->dev.driver->name, data); + error = devm_request_threaded_irq(dev, client->irq, NULL, mcs_touchkey_interrupt, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + client->dev.driver->name, data); if (error) { dev_err(&client->dev, "Failed to register interrupt\n"); - goto err_free_mem; + return error; } error = input_register_device(input_dev); if (error) - goto err_free_irq; + return error; i2c_set_clientdata(client, data); return 0; - -err_free_irq: - free_irq(client->irq, data); -err_free_mem: - input_free_device(input_dev); - kfree(data); - return error; -} - -static void mcs_touchkey_remove(struct i2c_client *client) -{ - struct mcs_touchkey_data *data = i2c_get_clientdata(client); - - free_irq(client->irq, data); - if (data->poweron) - data->poweron(false); - input_unregister_device(data->input_dev); - kfree(data); } static void mcs_touchkey_shutdown(struct i2c_client *client) @@ -259,7 +251,6 @@ static struct i2c_driver mcs_touchkey_driver = { .pm = pm_sleep_ptr(&mcs_touchkey_pm_ops), }, .probe = mcs_touchkey_probe, - .remove = mcs_touchkey_remove, .shutdown = mcs_touchkey_shutdown, .id_table = mcs_touchkey_id, };