From patchwork Thu Dec 24 13:26:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zheng Yongjun X-Patchwork-Id: 352089 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 3626AC43381 for ; Thu, 24 Dec 2020 13:26:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 11FD522287 for ; Thu, 24 Dec 2020 13:26:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728700AbgLXN01 (ORCPT ); Thu, 24 Dec 2020 08:26:27 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:9648 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728704AbgLXN00 (ORCPT ); Thu, 24 Dec 2020 08:26:26 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4D1rR03Cw7z15jDV; Thu, 24 Dec 2020 21:25:00 +0800 (CST) Received: from ubuntu.network (10.175.138.68) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.498.0; Thu, 24 Dec 2020 21:25:37 +0800 From: Zheng Yongjun To: , , , CC: Zheng Yongjun Subject: [PATCH v2 -next] vermilion.c: use DEFINE_MUTEX() for mutex lock Date: Thu, 24 Dec 2020 21:26:14 +0800 Message-ID: <20201224132614.31846-1-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-fbdev@vger.kernel.org mutex lock can be initialized automatically with DEFINE_MUTEX() rather than explicitly calling mutex_init(). Signed-off-by: Zheng Yongjun --- drivers/video/fbdev/vermilion/vermilion.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/video/fbdev/vermilion/vermilion.c b/drivers/video/fbdev/vermilion/vermilion.c index ff61605b8764..cf41f3c50af8 100644 --- a/drivers/video/fbdev/vermilion/vermilion.c +++ b/drivers/video/fbdev/vermilion/vermilion.c @@ -35,7 +35,7 @@ #define VML_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) -static struct mutex vml_mutex; +static DEFINE_MUTEX(vml_mutex); static struct list_head global_no_mode; static struct list_head global_has_mode; static struct fb_ops vmlfb_ops; @@ -1058,7 +1058,6 @@ static int __init vmlfb_init(void) #endif printk(KERN_DEBUG MODULE_NAME ": initializing\n"); - mutex_init(&vml_mutex); INIT_LIST_HEAD(&global_no_mode); INIT_LIST_HEAD(&global_has_mode);