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=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 E3D27C47094 for ; Thu, 10 Jun 2021 10:07:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C57D361184 for ; Thu, 10 Jun 2021 10:07:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230027AbhFJKJY (ORCPT ); Thu, 10 Jun 2021 06:09:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:47850 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229770AbhFJKJW (ORCPT ); Thu, 10 Jun 2021 06:09:22 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D78C560FDA; Thu, 10 Jun 2021 10:07:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623319646; bh=8Kk9bXBe1HeV4GH7mWJmBocxGU96cRUrgjwQZV3Kp9s=; h=From:To:Subject:In-Reply-To:References:Date:From; b=e+hSSo9+QrdNgT/xLG8o9y4h6A27RyXO4pyI1fTg3W45oXeBJOdTAr6IbueDfLP1s 3rbBQpstTxR24XvjCobUuoIBt9XMkkvgDokAca/thTAUPLa3t7ByhajnvvxaTtNmtN tHEZZhEyKIK/Oo4cw8vioh8jqizkSt505aic/Bb13wbeFTy8H/wIU7EuXO+PNVQtX4 NjDIUrn6X5BczLRyYKVIwiMkoMZw1mm3I6dFupsUvh8x1QlE27To4lhIFlBnEhFh/l naPvUILHZtOb+WZf9sTqehH6E0DgJ/XLb5jSSW+QS/V7OY81+kBnvcQWss9AK+nLbd lUwWxj+Twqgbw== From: Felipe Balbi To: kun peng , linux-usb@vger.kernel.org Subject: Re: usb3.0: dwc3: isoc: missisoc while setting the USB transfer UVC data In-Reply-To: References: Date: Thu, 10 Jun 2021 13:07:16 +0300 Message-ID: <87v96m119n.fsf@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi, kun peng writes: > Hi =EF=BC=8C I'm using the 4*A53 with DWC3 USB controller, my hardware to= work > like a USB camera and so make use of the USB 3.0 UVC gadget driver=E3=80= =82 > usb3.0 isoc transfer with missisoc -18=EF=BC=8Clarger maxburst is set, t= he > more -18 appears=E3=80=82 > but from trace info, the trb has been put in advance=E3=80=82 > > test setting: > dwc3 driver version=EF=BC=9A5.12 > PC=EF=BC=9A potplayer > > maxpacket : 3072 > maxburst : 15 > interval : 1 > UVC_NUM_REQUESTS: 8 sorry, you're running 4.14.74 kernel. That's far too old for this forum to help you. Try reproducing with the latest v5.13-rc kernel. =2D-=20 balbi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQFFBAEBCAAvFiEE9DumQ60WEZ09LIErzlfNM9wDzUgFAmDB5FQRHGJhbGJpQGtl cm5lbC5vcmcACgkQzlfNM9wDzUiXBAf+M5IlT82PyIF4/UZjSEw7Z633S2tWO1MQ +VcwCeUbN6KEjwBNlkQeY7uUBCjdFeEdfROyChfp8vAStRm6AQE6pnaqYBNCLmUo fibTeThi8IwYmZYG9z+cQJdjc8bElJZWKw8LQszOZOJa32YMSBY4szNE3HUdXS1/ YWKSaPGp96VZpos8QZLD/KsWGVFXqIN79OfPE8Hc/k7EzqjvArdM03IQZ1dv+YOI nD7ipLBIBGCCpMy2Av3NKu3obj4s/8O887jYYfFmKyxtsTrCpBkxehh+CIKtmxuV 1iZWZr8YFoVtgQKYB/o+2ZU/QeOP51sl0/iV7Gfgk/F1Npnx3hddsA== =uiPb -----END PGP SIGNATURE----- --=-=-=--