From patchwork Mon Aug 5 19:36:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 11077721 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 F2B3A14DB for ; Mon, 5 Aug 2019 19:37:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E4F9128740 for ; Mon, 5 Aug 2019 19:37:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D8EE02890B; Mon, 5 Aug 2019 19:37:00 +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 6805D28740 for ; Mon, 5 Aug 2019 19:37:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730438AbfHETg7 (ORCPT ); Mon, 5 Aug 2019 15:36:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:56676 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727460AbfHETg7 (ORCPT ); Mon, 5 Aug 2019 15:36:59 -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 4689B20C01; Mon, 5 Aug 2019 19:36:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565033818; bh=QBqriY8x/7Shw5VomfNQz2GfF5KUEwSnNHlb84tkjvE=; h=From:To:Cc:Subject:Date:From; b=irvt6B4XvWPFmhMhSDZ6vvURTVlJWizThU9NPikEuoScn0e+tF3QBnSB8Ev/n8nws eQ3eMyhfx+VC/G9qTaF3PF8O43fDRzBQveiFPdVEOW47roPT+izbLoJa7onTxtLNKN Ag929MKvviphSBfyTL2ObrJGzqjsetRTvdzhJTZc= From: Greg Kroah-Hartman To: linux-usb@vger.kernel.org Cc: Greg Kroah-Hartman , Heikki Krogerus , Ajay Gupta , Wolfram Sang , Wei Yongjun Subject: [PATCH] USB: typec: ucsi_ccg: convert i2c driver to use dev_groups Date: Mon, 5 Aug 2019 21:36:36 +0200 Message-Id: <20190805193636.25560-6-gregkh@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The driver core now supports the option to automatically create and remove any needed sysfs attribute files for a driver when the device is bound/removed from it. Convert the uscsi_ccg code to use that instead of trying to create sysfs files "by hand". Cc: Heikki Krogerus Cc: Ajay Gupta Cc: Wolfram Sang Cc: Wei Yongjun Signed-off-by: Greg Kroah-Hartman Reviewed-by: Heikki Krogerus --- drivers/usb/typec/ucsi/ucsi_ccg.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c index f7a79a23ebed..e283a42e4f06 100644 --- a/drivers/usb/typec/ucsi/ucsi_ccg.c +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c @@ -1104,14 +1104,11 @@ static ssize_t do_flash_store(struct device *dev, static DEVICE_ATTR_WO(do_flash); -static struct attribute *ucsi_ccg_sysfs_attrs[] = { +static struct attribute *ucsi_ccg_attrs[] = { &dev_attr_do_flash.attr, NULL, }; - -static struct attribute_group ucsi_ccg_attr_group = { - .attrs = ucsi_ccg_sysfs_attrs, -}; +ATTRIBUTE_GROUPS(ucsi_ccg); static int ucsi_ccg_probe(struct i2c_client *client, const struct i2c_device_id *id) @@ -1189,10 +1186,6 @@ static int ucsi_ccg_probe(struct i2c_client *client, i2c_set_clientdata(client, uc); - status = sysfs_create_group(&uc->dev->kobj, &ucsi_ccg_attr_group); - if (status) - dev_err(uc->dev, "cannot create sysfs group: %d\n", status); - pm_runtime_set_active(uc->dev); pm_runtime_enable(uc->dev); pm_runtime_idle(uc->dev); @@ -1209,7 +1202,6 @@ static int ucsi_ccg_remove(struct i2c_client *client) ucsi_unregister_ppm(uc->ucsi); pm_runtime_disable(uc->dev); free_irq(uc->irq, uc); - sysfs_remove_group(&uc->dev->kobj, &ucsi_ccg_attr_group); return 0; } @@ -1270,6 +1262,7 @@ static struct i2c_driver ucsi_ccg_driver = { .driver = { .name = "ucsi_ccg", .pm = &ucsi_ccg_pm, + .dev_groups = ucsi_ccg_groups, }, .probe = ucsi_ccg_probe, .remove = ucsi_ccg_remove,