From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: usb: dwc3: gadget: issue a stop command for ISOC endpoint From: Felipe Balbi Message-Id: <878svys0cq.fsf@linux.intel.com> Date: Thu, 25 Apr 2019 16:03:49 +0300 To: "Zengtao \(B\)" Cc: Greg Kroah-Hartman , "linux-usb@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Laurent Pinchart List-ID: KHBsZWFzZSwgYXZvaWQgdG9wLXBvc3RpbmcpCgpIaSwKCiJaZW5ndGFvIChCKSIgPHByaW1lLnpl bmdAaGlzaWxpY29uLmNvbT4gd3JpdGVzOgoKPiBIaSBiYWxiaToKPgo+IEkgZ290IHRoaXMgaXNz dWUgaW4gdGhlIFVWQyBhcHBsaWNhdGlvbiwgYW5kIEkgdGhpbmsgdGhpcyBpc3N1ZSBzdGlsbCBl eGlzdCBpbiB0aGUgCj4gbGF0ZXN0IGR3YzMgZHJpdmVyLgo+Cj4gQW5kIHdlIHNob3VsZCBpc3N1 ZSBhbiBzdG9wIGNvbW1hbmQgYW5kIHRoZSBxdWV1ZSBpcyBlbXB0eSB3aGVuIGl0J3MgCj4gSVNP QyB0cmFuc2Zlciwgb3RoZXJ3aXNlIHdlIHdpbGwgZW5kIHVwIHdpdGggTUlTUyBJU09DIGVycm9y IGZvciBhbGwgdGhlIAo+IHVwY29taW5nIHRyYW5zZmVycy4KPgo+IFNvIEkgdGhpbmsgeW91IGNh biB0ZXN0IHRoZSBVVkMgYXBwbGljYXRpb24gd2l0aCB0aGUgbGF0ZXN0IGRyaXZlci4KCnJpZ2h0 LiBUaGVuIHdoYXQgZG8gSSBkbz8gSG93IGRvIHlvdSBsb2FkIHRoZSBkcml2ZXIsIGhvdyBkbyB5 b3Ugc3RhcnQKdGhlIGFwcGxpY2F0aW9uPyBXaGVuIGRvIHlvdSBwbHVnIHRoZSBjYWJsZT8KClBs ZWFzZSwgcHJvdmlkZSBleGFjdCBzdGVwcyBzbyBJIGNhbiB0cnkgdG8gcmVwbGljYXRlIHRoZSBw cm9ibGVtLgo= 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=-0.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 D540CC10F03 for ; Thu, 25 Apr 2019 13:04:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 24BA02067C for ; Thu, 25 Apr 2019 13:04:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729197AbfDYND4 (ORCPT ); Thu, 25 Apr 2019 09:03:56 -0400 Received: from mga06.intel.com ([134.134.136.31]:42337 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726571AbfDYND4 (ORCPT ); Thu, 25 Apr 2019 09:03:56 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Apr 2019 06:03:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,393,1549958400"; d="asc'?scan'208";a="226593208" Received: from pipin.fi.intel.com (HELO pipin) ([10.237.72.175]) by orsmga001.jf.intel.com with ESMTP; 25 Apr 2019 06:03:53 -0700 From: Felipe Balbi To: "Zengtao \(B\)" Cc: Greg Kroah-Hartman , "linux-usb\@vger.kernel.org" , "linux-kernel\@vger.kernel.org" , Laurent Pinchart Subject: RE: [PATCH] usb: dwc3: gadget: issue a stop command for ISOC endpoint In-Reply-To: <678F3D1BB717D949B966B68EAEB446ED24E7D8F2@dggemm526-mbx.china.huawei.com> References: <1548064976-30196-1-git-send-email-prime.zeng@hisilicon.com> <87tvi2juh4.fsf@linux.intel.com> <678F3D1BB717D949B966B68EAEB446ED24E4CEE3@dggemm526-mbx.china.huawei.com> <87o98ajso9.fsf@linux.intel.com> <678F3D1BB717D949B966B68EAEB446ED24E7D8F2@dggemm526-mbx.china.huawei.com> Date: Thu, 25 Apr 2019 16:03:49 +0300 Message-ID: <878svys0cq.fsf@linux.intel.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 Message-ID: <20190425130349.iUrnb7scAIcAh7gJ9ifC_YS_BsVpQ15wZEy134BLlZ8@z> --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable (please, avoid top-posting) Hi, "Zengtao (B)" writes: > Hi balbi: > > I got this issue in the UVC application, and I think this issue still exi= st in the=20 > latest dwc3 driver. > > And we should issue an stop command and the queue is empty when it's=20 > ISOC transfer, otherwise we will end up with MISS ISOC error for all the= =20 > upcoming transfers. > > So I think you can test the UVC application with the latest driver. right. Then what do I do? How do you load the driver, how do you start the application? When do you plug the cable? Please, provide exact steps so I can try to replicate the problem. =2D-=20 balbi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEElLzh7wn96CXwjh2IzL64meEamQYFAlzBsDUACgkQzL64meEa mQaZXBAAwKJa0FMOB7+f02bktLuU5i+vLrmTbXoojizgu3L18mKmhsv3H7oqSXFQ avSmiMrb1f/Wx0nYYAWC1m6U2l4ce13PjGHQNzUx6zdT/PrajxldDERsEZI+q8PE LU+7O0qxEUbLbuWCrwivbrOj4JKu9bZ0jTuJsvFgR5GgBc0uKudL+2jYXeoskDF3 RxPMp3vxjMZfatS4EVK53bUlvf5g3ezYJ1uypcoGtSlVlRZXR3VFRD9LE7FJUpMd gLT6ujqb5PLCoSXblvU0zw+XlP/yL1SyZBXkNzM2Rqhal2qCMABphZtoDsJx1xME YEY6z6XaDPCK3u7oN0BGuzcuVWSeB9JSN+aIpU7Ga371lFz5h1PZyg0+FxlZCCri xsEnlNZTek0Rg9YqS4AH0lFZmmdFvsACg2qGiQis9GAzgl0BL2trETw/WImfR9gD Hl7QCILVTLIxnqu+YjXJZUTpqD3oHz/JePLGs5iiZFpwYKA/+eeMOchOtmdZ++nP csWZVjOSOWBBNclIeXR52/UN6J1dEd3qy/vX8wACF+Dabv6Juy4hZF3M15Rynv+X KuC0E3HN4r0C5XH3iYPWSjiUfcKF7LsG0y5FlTiYR0SGyM53Q1Ft3s62TEZVqwCD g7b7v/EiLwcNqge/+kZs1Q9330DzVdkTOb4Etlxz6p5h3BcSXpw= =ye3h -----END PGP SIGNATURE----- --=-=-=--