From patchwork Thu Dec 24 13:24:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Yongjun X-Patchwork-Id: 11989603 X-Patchwork-Delegate: kuba@kernel.org 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 CA9D4C433E0 for ; Thu, 24 Dec 2020 13:25:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A446E22287 for ; Thu, 24 Dec 2020 13:25:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728990AbgLXNZM (ORCPT ); Thu, 24 Dec 2020 08:25:12 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:10081 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728367AbgLXNZM (ORCPT ); Thu, 24 Dec 2020 08:25:12 -0500 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4D1rPK2plszM7G6; Thu, 24 Dec 2020 21:23:33 +0800 (CST) Received: from ubuntu.network (10.175.138.68) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.498.0; Thu, 24 Dec 2020 21:24:19 +0800 From: Zheng Yongjun To: , , , , , CC: Zheng Yongjun Subject: [PATCH v2 -next] atmel: at76c50x: use DEFINE_MUTEX() for mutex lock Date: Thu, 24 Dec 2020 21:24:56 +0800 Message-ID: <20201224132456.31341-1-zhengyongjun3@huawei.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 X-Originating-IP: [10.175.138.68] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). Signed-off-by: Zheng Yongjun --- drivers/net/wireless/atmel/at76c50x-usb.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/wireless/atmel/at76c50x-usb.c b/drivers/net/wireless/atmel/at76c50x-usb.c index 404257800033..7582761c61e2 100644 --- a/drivers/net/wireless/atmel/at76c50x-usb.c +++ b/drivers/net/wireless/atmel/at76c50x-usb.c @@ -101,7 +101,7 @@ do { \ static uint at76_debug = DBG_DEFAULTS; /* Protect against concurrent firmware loading and parsing */ -static struct mutex fw_mutex; +static DEFINE_MUTEX(fw_mutex); static struct fwentry firmwares[] = { [0] = { "" }, @@ -2572,8 +2572,6 @@ static int __init at76_mod_init(void) printk(KERN_INFO DRIVER_DESC " " DRIVER_VERSION " loading\n"); - mutex_init(&fw_mutex); - /* register this driver with the USB subsystem */ result = usb_register(&at76_driver); if (result < 0)