From patchwork Mon Dec 28 13:51:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Yongjun X-Patchwork-Id: 11991239 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 6729DC4332E for ; Mon, 28 Dec 2020 13:51:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3ABCC20791 for ; Mon, 28 Dec 2020 13:51:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406990AbgL1Nvs (ORCPT ); Mon, 28 Dec 2020 08:51:48 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:9939 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406981AbgL1Nvr (ORCPT ); Mon, 28 Dec 2020 08:51:47 -0500 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4D4JpV5yKNzhyRP; Mon, 28 Dec 2020 21:50:26 +0800 (CST) Received: from ubuntu.network (10.175.138.68) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.498.0; Mon, 28 Dec 2020 21:50:56 +0800 From: Zheng Yongjun To: , , CC: , Zheng Yongjun Subject: [PATCH -next] fpga: Use DEFINE_SPINLOCK() for spinlock Date: Mon, 28 Dec 2020 21:51:35 +0800 Message-ID: <20201228135135.28788-1-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: linux-fpga@vger.kernel.org spinlock can be initialized automatically with DEFINE_SPINLOCK() rather than explicitly calling spin_lock_init(). Signed-off-by: Zheng Yongjun Reviewed-by: Tom Rix --- drivers/fpga/fpga-bridge.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c index 2deccacc3aa7..e9266b2a357f 100644 --- a/drivers/fpga/fpga-bridge.c +++ b/drivers/fpga/fpga-bridge.c @@ -17,7 +17,7 @@ static DEFINE_IDA(fpga_bridge_ida); static struct class *fpga_bridge_class; /* Lock for adding/removing bridges to linked lists*/ -static spinlock_t bridge_list_lock; +static DEFINE_SPINLOCK(bridge_list_lock); /** * fpga_bridge_enable - Enable transactions on the bridge @@ -479,8 +479,6 @@ static void fpga_bridge_dev_release(struct device *dev) static int __init fpga_bridge_dev_init(void) { - spin_lock_init(&bridge_list_lock); - fpga_bridge_class = class_create(THIS_MODULE, "fpga_bridge"); if (IS_ERR(fpga_bridge_class)) return PTR_ERR(fpga_bridge_class);