From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753220AbdAZJTY (ORCPT ); Thu, 26 Jan 2017 04:19:24 -0500 Received: from mga06.intel.com ([134.134.136.31]:36614 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751964AbdAZJTV (ORCPT ); Thu, 26 Jan 2017 04:19:21 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,288,1477983600"; d="asc'?scan'208";a="217836816" From: Felipe Balbi To: Roger Quadros , mathias.nyman@intel.com Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] usb: xhci: Add broken port disable quirk In-Reply-To: References: <1479394881-13863-1-git-send-email-rogerq@ti.com> <87wpecxq37.fsf@linux.intel.com> Date: Thu, 26 Jan 2017 11:19:10 +0200 Message-ID: <87r33q89gx.fsf@linux.intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi, Roger Quadros writes: > Felipe, > > On 03/01/17 14:53, Felipe Balbi wrote: >>=20 >> Hi, >>=20 >> Roger Quadros writes: >>> Mathias & Felipe, >>> >>> On 17/11/16 17:01, Roger Quadros wrote: >>>> Hi, >>>> >>>> Some XHCI controllers e.g. dwc3 based have a broken Port disable [1]. >>>> >>>> If the attached high-speed device is misbehaving, the USB stack typica= lly >>>> disables the port using the PED bit in PORTSC. For the controllers that >>>> have broken port disable, the port fails to detect further attach/deta= ch >>>> events and so high-speed devices can no longer be enumerated on the >>>> port. The workaround is to prevent port disable using PED on such >>>> controllers. >>>> >>>> We add a new BROKEN_PED quirk flag and 'quirk-broken-port-ped' device >>>> property and prevent port disable using PED if we encounter the quirk = flag. >>>> >>>> [1] - AM572x Silicon Errata http://www.ti.com/lit/er/sprz429j/sprz429j= .pdf >>>> Section i896=E2=80=94 USB xHCI Port Disable Feature Does Not Work >>> >>> Any comments on this series? >>> patch 1 is at v3. Rest 2 are original. >>=20 >> none from me. Mathias? >>=20 > > Mathias has queued patches 1 and 2 for v4.11. > Can you please pick patch 3? Thanks. done =2D-=20 balbi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEElLzh7wn96CXwjh2IzL64meEamQYFAliJvw4ACgkQzL64meEa mQZasw//Wu3SFexSbqJ3pwK8trUlUudgPqt6uigLn+owY9eE5N1/C4Fk7uTCQufB 5A5cIFNfQChk3+Q4WqnenblJfjGSFkfTUJZ20mTGtGYKTaKpMjVghyKlfzaAJRAQ 3Sy2m3/NI+OWhMm7Ut88V9FW2EO+ayzMMm7JKezI4Up7fw5R+MsmUwB7qm+mnYxZ EKedDysrwrNK7Q5vUVyT6w+SP/KzGile5j9uSo71FztwVpQtFfStNGEpe5l6nN2P ZOlX0xleg4jhL35wbRDK/V+aTrHor64w6hHSQSqNNOV9EEFHPe0ZNge8qJ5gzl6Q mwQKsgp0H0Djx/xrKcoxjHLNN8QrhNTVb6uIQ1RMEFoYtubC6A6kXHt133i5wcK2 lrksR34lITtpSrnpuCwULllPKDutXBDg/4AGYlqAPI/E2WdkdG/qsOYVU0kckuq2 qsbs/dvWIXVa0Lukjg6V9Q48aewoW/awRtc0opBBzGqg29AQknUoxewv5RhU7CaV WvShfyFcn8OI0F/wRUi2kkV2bsJIQTS9Qvpupt7rOD46HkbDdM7EKbsV29ZbHYRQ CwOVxg9GLkSk5In0pQ0E0NSEQ3ZER5wNodLZzwpu3w3H+GcfHV/QNf1WsGFPMvzg KZsVgRwz6FtHxN6EyeuZ5H23Ms8l2m3ZFBLVfi86d92YHXu70kY= =yQCI -----END PGP SIGNATURE----- --=-=-=--