From mboxrd@z Thu Jan 1 00:00:00 1970 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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 0583FCA9EB6 for ; Wed, 23 Oct 2019 10:02:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D86E62064B for ; Wed, 23 Oct 2019 10:02:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404290AbfJWKCA (ORCPT ); Wed, 23 Oct 2019 06:02:00 -0400 Received: from mga12.intel.com ([192.55.52.136]:17813 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404097AbfJWKB7 (ORCPT ); Wed, 23 Oct 2019 06:01:59 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Oct 2019 03:01:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,220,1569308400"; d="asc'?scan'208";a="201087087" Received: from pipin.fi.intel.com (HELO pipin) ([10.237.72.175]) by orsmga003.jf.intel.com with ESMTP; 23 Oct 2019 03:01:57 -0700 From: Felipe Balbi To: alex zheng , Mathias Nyman , David Laight Cc: "linux-usb\@vger.kernel.org" , "xiaowei.zheng\@dji.com" , Thinh Nguyen Subject: Re: BUG report: usb: dwc3: Link TRB triggered an intterupt without IOC being setted In-Reply-To: References: <87a7avh8uu.fsf@gmail.com> <106544ca-7a01-0a86-e785-c7c520ebdc4b@linux.intel.com> <5431a9df-3816-b525-c3bc-4e7462d0f38f@linux.intel.com> <87d0fny5in.fsf@gmail.com> <52a7b158-ab76-432a-4d2c-7b731dc9c2a2@linux.intel.com> Date: Wed, 23 Oct 2019 13:01:52 +0300 Message-ID: <87v9sfixv3.fsf@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Hi, (please don't top-post) alex zheng writes: > Hi, all > > We found that this is a known issue of synopsys DWC3 USB controller, > when the PARKMODE_SS of DWC3 is enable, the controller may hang or do > wrong TRB schedule in some heavy load conditions. > > Setting DISABLE_PARKMODE_SS to 1 can work around this bug. Is this something that affects some versions but not others? If the case, we should teach the driver to handle this based on a revision check. cheers =2D-=20 balbi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEElLzh7wn96CXwjh2IzL64meEamQYFAl2wJRAACgkQzL64meEa mQYvExAAm3XtJkJmA0HCwR6XRgpAkax/SmKAVzlzU1ariCFfzvK/4mOo9jaR1/tn bC8E8fIAEZMWYK1ekGg2fk6ySP3Far5JIKcdw7XdYQlAigjL/TqLWxAxLzsNZkqy aHJg3RCK5DC0TtlCO3E6kGZwoCRfEPZMVb+t1FquUL2S9Mg0WbqQBw9wTpudL8/g vRKVa0DBaJu0n6Or7gHRof3EpnCmfnjUkZOl6zJr0d1XAnE/uuYsTi3SbNL7hg7k tun1CATKUzE/mnBD1vMh/x0XnrfSeRE1G5bK439Udce18/L0FRxVNQvHRJcBSGCh hRIOBp7hojyKSsoJGvTGXtonkVqnj30T77DeA0wBqrIg/t1XI8TTODBn5B8to2y6 2U0CLNXjLOpdGow/BvYAwhtvjDW3UDbYWBKb3IkKpDqVt5rRlpY+Zt0DKeHZkBK9 8JS9iyuif0ljEquS9BgyE5ruZfYFj2ianCCnbvyhqoRsXYxEswbD/L/+nuoa8fN8 Hxz3sIKCz4G11urNmjU6/1XKPILg8ReWyShHzU4tT9V3Dk0EoYXf2vFjKaoUO2vE AKS3sXACJSXb3GVic3DREcOmDSxh9+IB6UZLeuonmqxpQDzgTqi55tdc9Jo1SvTy 341ruOZhJ3rUv+wi2euclt1V+F71Iw990ucz71FHZoCGEtlGnHE= =liYh -----END PGP SIGNATURE----- --=-=-=--