From patchwork Sat Mar 27 09:52:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: chenlifu X-Patchwork-Id: 410415 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 47084C433DB for ; Sat, 27 Mar 2021 09:53:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 185F8619F7 for ; Sat, 27 Mar 2021 09:53:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231143AbhC0JxH (ORCPT ); Sat, 27 Mar 2021 05:53:07 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:14168 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231458AbhC0Jwt (ORCPT ); Sat, 27 Mar 2021 05:52:49 -0400 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4F6vG63c8lznTWs; Sat, 27 Mar 2021 17:50:06 +0800 (CST) Received: from huawei.com (10.67.174.78) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.498.0; Sat, 27 Mar 2021 17:52:31 +0800 From: Chen Lifu To: , Aaro Koskinen , Tony Lindgren , Russell King CC: , , , , , , , Subject: [PATCH -next] ARM: OMAP: Use DEFINE_SPINLOCK() for spinlock Date: Sat, 27 Mar 2021 17:52:27 +0800 Message-ID: <20210327095227.105081-1-chenlifu@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.67.174.78] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Lifu Chen spinlock can be initialized automatically with DEFINE_SPINLOCK() rather than explicitly calling spin_lock_init(). Reported-by: Hulk Robot Signed-off-by: Lifu Chen --- arch/arm/plat-omap/dma.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index 1eb59003bdec..9f11de46aaa9 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -85,7 +85,7 @@ static int dma_lch_count; static int dma_chan_count; static int omap_dma_reserve_channels; -static spinlock_t dma_chan_lock; +static DEFINE_SPINLOCK(dma_chan_lock); static struct omap_dma_lch *dma_chan; static inline void disable_lnk(int lch); @@ -902,7 +902,6 @@ static int omap_system_dma_probe(struct platform_device *pdev) if (!dma_chan) return -ENOMEM; - spin_lock_init(&dma_chan_lock); for (ch = 0; ch < dma_chan_count; ch++) { omap_clear_dma(ch);