From patchwork Thu Jun 20 08:12:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 11006113 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 57EB176 for ; Thu, 20 Jun 2019 08:12:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4D7D02857E for ; Thu, 20 Jun 2019 08:12:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3C33E285A3; Thu, 20 Jun 2019 08:12:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8F1BF2857E for ; Thu, 20 Jun 2019 08:12:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731328AbfFTIMq (ORCPT ); Thu, 20 Jun 2019 04:12:46 -0400 Received: from mailgw02.mediatek.com ([1.203.163.81]:25389 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725925AbfFTIMp (ORCPT ); Thu, 20 Jun 2019 04:12:45 -0400 X-UUID: b566a0946ec84570b984f1c3fe670ffa-20190620 X-UUID: b566a0946ec84570b984f1c3fe670ffa-20190620 Received: from mtkcas36.mediatek.inc [(172.27.4.253)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 1645524193; Thu, 20 Jun 2019 16:12:39 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 20 Jun 2019 16:12:36 +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; Thu, 20 Jun 2019 16:12:35 +0800 From: Chunfeng Yun To: Felipe Balbi CC: Greg Kroah-Hartman , Matthias Brugger , Chunfeng Yun , , , , , Subject: [PATCH] usb: dwc3: remove unused @lock member of dwc3_ep struct Date: Thu, 20 Jun 2019 16:12:31 +0800 Message-ID: <342af01a252a9ef9457a6a6ec653a40698058fbc.1561018149.git.chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The member @lock of dwc2_ep struct is only initialized, and not used elsewhere, so remove it. Signed-off-by: Chunfeng Yun --- drivers/usb/dwc3/core.h | 2 -- drivers/usb/dwc3/gadget.c | 2 -- 2 files changed, 4 deletions(-) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index f19cbeb01087..72d28cb14bdf 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -649,7 +649,6 @@ struct dwc3_event_buffer { * @cancelled_list: list of cancelled requests for this endpoint * @pending_list: list of pending requests for this endpoint * @started_list: list of started requests on this endpoint - * @lock: spinlock for endpoint request queue traversal * @regs: pointer to first endpoint register * @trb_pool: array of transaction buffers * @trb_pool_dma: dma address of @trb_pool @@ -677,7 +676,6 @@ struct dwc3_ep { struct list_head pending_list; struct list_head started_list; - spinlock_t lock; void __iomem *regs; struct dwc3_trb *trb_pool; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index d67655384eb2..7f75da30caba 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2251,8 +2251,6 @@ static int dwc3_gadget_init_endpoint(struct dwc3 *dwc, u8 epnum) dep->endpoint.comp_desc = NULL; } - spin_lock_init(&dep->lock); - if (num == 0) ret = dwc3_gadget_init_control_endpoint(dep); else if (direction)