From patchwork Wed Jul 31 12:43:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 11067781 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8BBC914DB for ; Wed, 31 Jul 2019 12:44:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7382B28671 for ; Wed, 31 Jul 2019 12:44:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 71D0C2891B; Wed, 31 Jul 2019 12:44:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 024F0288C4 for ; Wed, 31 Jul 2019 12:44:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728989AbfGaMoY (ORCPT ); Wed, 31 Jul 2019 08:44:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:36782 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388055AbfGaMoV (ORCPT ); Wed, 31 Jul 2019 08:44:21 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 25B412089E; Wed, 31 Jul 2019 12:44:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564577060; bh=aQIf4vVZX+H6cS8o4sG55uCLuDksr6xmUzh8BYSCx/I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nZEmMe59qpAGyZT3/9u4H0VSjvaPvJP54cRteRdT7XTTJpNYypcbAFV7wEx9477Av mpTUw42pxEjBfOZ5ojr8sGAvvrDKIWEjprJsRm1RtLCCPpad+N7BX4q1v0Pzgqx7Wh 28FiG7a8kxYf3po7Rd4YR7Oaa8HA6Gl17tZ+DovM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, Richard Gong , Dmitry Torokhov Cc: Greg Kroah-Hartman , Darren Hart , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , x86@kernel.org, platform-driver-x86@vger.kernel.org, Andy Shevchenko Subject: [PATCH v2 07/10] platform: x86: hp-wmi: convert platform driver to use dev_groups Date: Wed, 31 Jul 2019 14:43:46 +0200 Message-Id: <20190731124349.4474-8-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190731124349.4474-1-gregkh@linuxfoundation.org> References: <20190731124349.4474-1-gregkh@linuxfoundation.org> MIME-Version: 1.0 Sender: platform-driver-x86-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Platform drivers now have the option to have the platform core create and remove any needed sysfs attribute files. So take advantage of that and do not register "by hand" a bunch of sysfs files. Cc: Darren Hart Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: "H. Peter Anvin" Cc: x86@kernel.org Cc: platform-driver-x86@vger.kernel.org Acked-by: Andy Shevchenko Signed-off-by: Greg Kroah-Hartman --- drivers/platform/x86/hp-wmi.c | 47 +++++++++-------------------------- 1 file changed, 12 insertions(+), 35 deletions(-) diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 2521e45280b8..6bcbbb375401 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -502,6 +502,17 @@ static DEVICE_ATTR_RO(dock); static DEVICE_ATTR_RO(tablet); static DEVICE_ATTR_RW(postcode); +static struct attribute *hp_wmi_attrs[] = { + &dev_attr_display.attr, + &dev_attr_hddtemp.attr, + &dev_attr_als.attr, + &dev_attr_dock.attr, + &dev_attr_tablet.attr, + &dev_attr_postcode.attr, + NULL, +}; +ATTRIBUTE_GROUPS(hp_wmi); + static void hp_wmi_notify(u32 value, void *context) { struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; @@ -678,16 +689,6 @@ static void hp_wmi_input_destroy(void) input_unregister_device(hp_wmi_input_dev); } -static void cleanup_sysfs(struct platform_device *device) -{ - device_remove_file(&device->dev, &dev_attr_display); - device_remove_file(&device->dev, &dev_attr_hddtemp); - device_remove_file(&device->dev, &dev_attr_als); - device_remove_file(&device->dev, &dev_attr_dock); - device_remove_file(&device->dev, &dev_attr_tablet); - device_remove_file(&device->dev, &dev_attr_postcode); -} - static int __init hp_wmi_rfkill_setup(struct platform_device *device) { int err, wireless; @@ -858,8 +859,6 @@ static int __init hp_wmi_rfkill2_setup(struct platform_device *device) static int __init hp_wmi_bios_setup(struct platform_device *device) { - int err; - /* clear detected rfkill devices */ wifi_rfkill = NULL; bluetooth_rfkill = NULL; @@ -869,35 +868,12 @@ static int __init hp_wmi_bios_setup(struct platform_device *device) if (hp_wmi_rfkill_setup(device)) hp_wmi_rfkill2_setup(device); - err = device_create_file(&device->dev, &dev_attr_display); - if (err) - goto add_sysfs_error; - err = device_create_file(&device->dev, &dev_attr_hddtemp); - if (err) - goto add_sysfs_error; - err = device_create_file(&device->dev, &dev_attr_als); - if (err) - goto add_sysfs_error; - err = device_create_file(&device->dev, &dev_attr_dock); - if (err) - goto add_sysfs_error; - err = device_create_file(&device->dev, &dev_attr_tablet); - if (err) - goto add_sysfs_error; - err = device_create_file(&device->dev, &dev_attr_postcode); - if (err) - goto add_sysfs_error; return 0; - -add_sysfs_error: - cleanup_sysfs(device); - return err; } static int __exit hp_wmi_bios_remove(struct platform_device *device) { int i; - cleanup_sysfs(device); for (i = 0; i < rfkill2_count; i++) { rfkill_unregister(rfkill2[i].rfkill); @@ -966,6 +942,7 @@ static struct platform_driver hp_wmi_driver = { .driver = { .name = "hp-wmi", .pm = &hp_wmi_pm_ops, + .dev_groups = hp_wmi_groups, }, .remove = __exit_p(hp_wmi_bios_remove), };