From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88EC4C5DF62 for ; Wed, 6 Nov 2019 03:16:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 469DA2053B for ; Wed, 6 Nov 2019 03:16:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="PAgN4/ZU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 469DA2053B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=3lLRgtcSQcz8M9GYdZF5tYvSft3lZFXwqeU3Qmcz6+Q=; b=PAgN4/ZUxy330z Y+IPMjTUDn+/D2WtMdV6Zgaq/v86/Wjz1e83+0j275nu/+Vl8CfwylPiOkPbxHmCY5fUL0dysTcoY pDTGuH1YV2jmDgmQHpQjhXsVtldnIM8VOPseIFBSwp9iQZyVjUGu/mQO2SYwzo/d8b6VmHhI28C1V qVfTbVUFJ99I/A4pHz4RFXZYWJaHXrigvk22j44SOyPQB9rJ/UxHj4EFetcuWfsOn07aAi7ZqT+O4 zzLL/wu+jTSastabGDD8f7utmvHip7aYWa+biLc0wBJC2KxptNHEjKpGs8ZXvxclCPPSo4lJBbtn8 EWXQymKJ1uel335P32Tg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iSBnx-0008Fu-Cg; Wed, 06 Nov 2019 03:16:21 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iSBnu-0008EG-12; Wed, 06 Nov 2019 03:16:19 +0000 X-UUID: 79d9b0d2d44d4f82abf652617e149700-20191105 X-UUID: 79d9b0d2d44d4f82abf652617e149700-20191105 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1844636388; Tue, 05 Nov 2019 19:16:06 -0800 Received: from MTKMBS06N1.mediatek.inc (172.21.101.129) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 5 Nov 2019 19:16:01 -0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 6 Nov 2019 11:16:01 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 6 Nov 2019 11:15:57 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Felipe Balbi Subject: [PATCH 01/28] usb: common: change usb_debug_root as static variable Date: Wed, 6 Nov 2019 11:15:02 +0800 Message-ID: <8cb137d5376b4e317dc22dcb9e81a1125b781f8f.1573008519.git.chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191105_191618_075807_35139D9B X-CRM114-Status: GOOD ( 13.13 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Chen , Alexandre Belloni , Heikki Krogerus , Wolfram Sang , Yangtao Li , Linus Walleij , linux-kernel@vger.kernel.org, Matthias Brugger , Mans Rullgard , Srinivas Kandagatla , Laurent Pinchart , Fabio Estevam , Florian Fainelli , Robert Jarzmik , Kevin Cernekee , "Gustavo A. R. Silva" , Ludovic Desroches , Alan Stern , NXP Linux Team , Chunfeng Yun , bcm-kernel-feedback-list@broadcom.com, David Kershner , Hans Ulli Kroll , Cristian Birsan , linux-media@vger.kernel.org, Fabrizio Castro , Mathias Payer , Mathias Nyman , Suzuki K Poulose , Sascha Hauer , Haojian Zhuang , Stephen Boyd , linux-mediatek@lists.infradead.org, Minas Harutyunyan , Simon Horman , Mauro Carvalho Chehab , Bin Liu , linux-arm-kernel@lists.infradead.org, Biju Das , Laurentiu Tudor , Yoshihiro Shimoda , linux-usb@vger.kernel.org, Nicolas Ferre , Dmitry Torokhov , Guenter Roeck , Pengutronix Kernel Team , Colin Ian King , Shawn Guo , Daniel Mack Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Try to avoid using extern global variable, and provide two functions for the usage cases Signed-off-by: Chunfeng Yun --- drivers/usb/common/common.c | 16 ++++++++++++++-- include/linux/usb.h | 5 ++++- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index 1433260d99b4..639ee6d243a2 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -293,8 +293,20 @@ struct device *usb_of_get_companion_dev(struct device *dev) EXPORT_SYMBOL_GPL(usb_of_get_companion_dev); #endif -struct dentry *usb_debug_root; -EXPORT_SYMBOL_GPL(usb_debug_root); +static struct dentry *usb_debug_root; + +struct dentry *usb_debugfs_create_dir(const char *name) +{ + return debugfs_create_dir(name, usb_debug_root); +} +EXPORT_SYMBOL_GPL(usb_debugfs_create_dir); + +struct dentry *usb_debugfs_create_file(const char *name, umode_t mode, + void *data, const struct file_operations *fops) +{ + return debugfs_create_file(name, mode, usb_debug_root, data, fops); +} +EXPORT_SYMBOL_GPL(usb_debugfs_create_file); static int __init usb_common_init(void) { diff --git a/include/linux/usb.h b/include/linux/usb.h index e656e7b4b1e4..ad96e0aa0127 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -2001,7 +2001,10 @@ extern void usb_register_notify(struct notifier_block *nb); extern void usb_unregister_notify(struct notifier_block *nb); /* debugfs stuff */ -extern struct dentry *usb_debug_root; +extern struct dentry *usb_debugfs_create_dir(const char *name); +extern struct dentry * +usb_debugfs_create_file(const char *name, umode_t mode, void *data, + const struct file_operations *fops); /* LED triggers */ enum usb_led_event { -- 2.23.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek