From patchwork Mon Jul 29 13:43:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saranya Gopal X-Patchwork-Id: 11063861 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 8846613A4 for ; Mon, 29 Jul 2019 13:43:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 771A9284C8 for ; Mon, 29 Jul 2019 13:43:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6A5E828704; Mon, 29 Jul 2019 13:43:10 +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 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 1C584286B8 for ; Mon, 29 Jul 2019 13:43:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727313AbfG2NnJ (ORCPT ); Mon, 29 Jul 2019 09:43:09 -0400 Received: from mga01.intel.com ([192.55.52.88]:48791 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726926AbfG2NnJ (ORCPT ); Mon, 29 Jul 2019 09:43:09 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Jul 2019 06:43:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,322,1559545200"; d="scan'208";a="370495825" Received: from saranya-h97m-d3h.iind.intel.com ([10.66.254.8]) by fmsmga005.fm.intel.com with ESMTP; 29 Jul 2019 06:43:07 -0700 From: Saranya Gopal To: stable@vger.kernel.org Cc: linux-usb@vger.kernel.org, fei.yang@intel.com, john.stultz@linaro.org, Saranya Gopal Subject: [PATCH 4.19.y 0/3] usb: dwc3: Prevent requests from being queued twice Date: Mon, 29 Jul 2019 19:13:36 +0530 Message-Id: <1564407819-10746-1-git-send-email-saranya.gopal@intel.com> X-Mailer: git-send-email 1.9.1 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 With recent changes in AOSP, adb is now using asynchronous I/O. While adb works good for the most part, there have been issues with adb root/unroot commands which cause adb hang. The issue is caused by a request being queued twice. A series of 3 patches from Felipe Balbi in upstream tree fixes this issue. Felipe Balbi (3): usb: dwc3: gadget: add dwc3_request status tracking usb: dwc3: gadget: prevent dwc3_request from being queued twice usb: dwc3: gadget: remove req->started flag drivers/usb/dwc3/core.h | 11 +++++++++-- drivers/usb/dwc3/gadget.c | 9 ++++++++- drivers/usb/dwc3/gadget.h | 4 ++-- 3 files changed, 19 insertions(+), 5 deletions(-)