From patchwork Wed Nov 27 21:10:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thinh Nguyen X-Patchwork-Id: 11264913 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 91CDE1393 for ; Wed, 27 Nov 2019 21:10:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 711EC2176D for ; Wed, 27 Nov 2019 21:10:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="CAR3WbKa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733092AbfK0VKw (ORCPT ); Wed, 27 Nov 2019 16:10:52 -0500 Received: from us03-smtprelay2.synopsys.com ([149.117.87.133]:32818 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733085AbfK0VKv (ORCPT ); Wed, 27 Nov 2019 16:10:51 -0500 Received: from mailhost.synopsys.com (sv2-mailhost1.synopsys.com [10.205.2.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id C0336C00A7; Wed, 27 Nov 2019 21:10:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1574889049; bh=0psXz4JKqYmr/UJM2TBc2EQhoyhnFwk0WYHPemkXBi0=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=CAR3WbKa52q1/aE8HKHPV/5e50Uunb4OjRAHfQc8iEf7O201DLtcu5Gw2dye5oLHB M6Y48pEIkSH3hp4c1fuhqDLVqwOzNX1mR+OX56i9JCmveLIdQvgUcQ8h/jlgS318RO 6g4GD5VtpXyV1rtXAsGmbcJPnLTwbmm8BuAVrlt7MRdcR9Kx6KTzLiuwqV4exneFwT xHKlo06bJ/ZA+SyXhyfVLs0cFlTu7lKUnvtWAIrATa/e8yhbZjsYY5tk137bTN2Gqw YnQOLo4ZW4I6AMiWl4/d0yzXN7w+uGriPGUN44LVFNLn8YSW3IPmN+33sTLeiFtE8S VXgiuOqzmMH5A== Received: from te-lab16 (nanobot.internal.synopsys.com [10.10.186.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mailhost.synopsys.com (Postfix) with ESMTPSA id 1C2E7A007C; Wed, 27 Nov 2019 21:10:48 +0000 (UTC) Received: by te-lab16 (sSMTP sendmail emulation); Wed, 27 Nov 2019 13:10:47 -0800 Date: Wed, 27 Nov 2019 13:10:47 -0800 Message-Id: In-Reply-To: References: From: Thinh Nguyen Subject: [PATCH 1/2] usb: dwc3: gadget: Clear started flag for non-IOC To: Felipe Balbi , Greg Kroah-Hartman , Thinh Nguyen , linux-usb@vger.kernel.org Cc: John Youn , stable@vger.kernel.org Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Normally the END_TRANSFER command completion handler will clear the DWC3_EP_TRANSFER_STARTED flag. However, if the command was sent without interrupt on completion, then the flag will not be cleared. Make sure to clear the flag in this case. Cc: stable@vger.kernel.org Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/gadget.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 7f97856e6b20..95a0b2e7ecea 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2716,6 +2716,9 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, WARN_ON_ONCE(ret); dep->resource_index = 0; + if (!interrupt) + dep->flags &= ~DWC3_EP_TRANSFER_STARTED; + if (dwc3_is_usb31(dwc) || dwc->revision < DWC3_REVISION_310A) udelay(100); }