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 294FCC47094 for ; Thu, 10 Jun 2021 11:38:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D3D3613F5 for ; Thu, 10 Jun 2021 11:38:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230151AbhFJLkM (ORCPT ); Thu, 10 Jun 2021 07:40:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:50720 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230103AbhFJLkL (ORCPT ); Thu, 10 Jun 2021 07:40:11 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 13DD8613F5; Thu, 10 Jun 2021 11:38:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623325094; bh=GywOsmJ5EgEoaZhIxv/SuubPjHaM4R5u0oKMoLVL/wY=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=jb9K8AxhyKFbQD+kK56/w0ZwyIYvEWoRTh1AEwnik1YJqCQ0UVqzBatwJGRbUXgIA Tk87C+B7XEO7bE61e3bt2J7XIEvhz9HkQlWHojZeex4X5zBr8uiWRwtHhnxALIp/H1 42z/sZCqOc3YTU07MAB+C+axI49WTqPee0i2rwE3CcSZMB4x9QBcyccPLaKP3IUsP/ DpsSHGx8AqumfZ/9LQCkMo5vs7f6hvKRc5KcLp1k+CsjEAOwRlDi9XD0QiWVf1DwaG UsdqOOC5EN0d4vBKwf8dDQWLt11xjfG5uy6bWtsA4f6MvtlhO9PWXEva/5lNlo6pqB krbFlkbAc1KMg== From: Felipe Balbi To: kun peng Cc: linux-usb@vger.kernel.org Subject: Re: usb3.0: dwc3: isoc: missisoc while setting the USB transfer UVC data In-Reply-To: References: <87v96m119n.fsf@kernel.org> Date: Thu, 10 Jun 2021 14:38:07 +0300 Message-ID: <87eeda0x28.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: > On Thu, Jun 10, 2021 at 6:07 PM Felipe Balbi wrote: >> >> 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= , the >> > 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. >> >> -- >> balbi > > thanks for your reply. > > my kernel is 4.14, but usb and uvc related driver has been update to > 5.12.0 linux main line. > The problem mentioned above is after the update. right, many other things happen in the framework. You could bisect and try to find the offending commit, but this forum can't do much to help, sorry. =2D-=20 balbi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQFFBAEBCAAvFiEE9DumQ60WEZ09LIErzlfNM9wDzUgFAmDB+Z8RHGJhbGJpQGtl cm5lbC5vcmcACgkQzlfNM9wDzUioMgf/WqoLPQdVW2GulPDRJEKrVK/PPV7u/bN1 33+96FOLYlBdf9UiV3zBN5PSOzaSGSF+kpU4REU5xk8/hWC0bYh0cl/VNx4zaTvl aTBBh49pR36vNm65ocA5S5ao8Zm906aapaORJQjtSNPfhFuMhD6BLyo5d41+ENvg mcL+X3iYGhSuPK89WHEY4bmw5NDaigMMZWoFaU7HizXpvgy81XFLOJ2k5KXBkDXZ tUDsr8Kj7K8Rdl3EOtuUk24vdAYVVIpNxT/V+GAnH8gD6CcR3jJV5DmU7Kesu/27 qvQvYkeRvhPtAPj1CZGUoM+K+z/29e0xQp/1bsW50p9hwu/IMoACRg== =Ybe4 -----END PGP SIGNATURE----- --=-=-=--