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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 EA3CFC43381 for ; Thu, 21 Mar 2019 07:19:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B1DDB2077B for ; Thu, 21 Mar 2019 07:19:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Gjax+DrQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727868AbfCUHTc (ORCPT ); Thu, 21 Mar 2019 03:19:32 -0400 Received: from mail-lf1-f46.google.com ([209.85.167.46]:33583 "EHLO mail-lf1-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725985AbfCUHTb (ORCPT ); Thu, 21 Mar 2019 03:19:31 -0400 Received: by mail-lf1-f46.google.com with SMTP id v14so3863434lfi.0; Thu, 21 Mar 2019 00:19:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=W/aUTYxlxE4zrbGtIzm28ianJShkMJuQ0KS08IX7SfA=; b=Gjax+DrQhiX6f3wOdHbbR4fYI0e2GBK7aUehJmDcJWoXiMHF7KhMf4hkJLTEIv4XYq xnUHby5HCh36etsRjrh56LbbkkwfWuXwSBOxTGF1PHjVoX5QS7DA3x4wlYTml/P20EhM 78aKOUj1oSrNZnTAWxj1UHQ4UkCLpaCdx2M3JQZbvs4UAqLx5f7SJIwiFlWbbplMmZX+ /aOxgjocUj+rczWEowvom7xtMwWNFJCkI/Ilx1fD4GXdGQpNxKeqxy/en0b6TnalUg+w y09GhjzMz+ulxizn7fY7IrVSwvtWfN/7ygpZtjiedEpgcqMrBw51alL2T/DIyoebzHT4 6Uqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=W/aUTYxlxE4zrbGtIzm28ianJShkMJuQ0KS08IX7SfA=; b=svL5x785z47M16XqbxuIFNLMDwyWPz1GqorDAjAF8BGdvi0JqN9EemUmxr6dHLhYQW 1+d/kgfboX1bhorH7lc6wT1yZxSz2dmyHtDG5ZYSTYRvYdwuH+BTE7KvGD6/29jcWPAo UzH2O1kv+ii3S35YmnGPdvykwpnj6sCb+PwmPPuO0sx3p/ytOFviKXZ7lwvGIH4t1Rhb qLMX7aVGW0YRXbXdjhOIR4vY7uBs+bMYXJ61Rcqqz77RsGDwTPSTbZClfFIqqU8Ww30y SJgoYPH894hMrMDj1M2x9/rLdv8sCOYfjcQhXBKUArPUI0meU1ZkxeinvgPafM+pBGJJ jMDg== X-Gm-Message-State: APjAAAWzUKEyIIjNjmHFk0fpNZbgI3F4kgwwnxuu3t2UWhG+yiEe/yzl hpFVVwTDDp9Qy11S78o1mE0= X-Google-Smtp-Source: APXvYqxm0M8LdvnuBxOPeDYB4qT98VtoN7b6NZxcH2D+PC+eUNFhhVDxVRwdK75Bv5Q/07O8kJU2/g== X-Received: by 2002:ac2:5581:: with SMTP id v1mr1102352lfg.92.1553152768972; Thu, 21 Mar 2019 00:19:28 -0700 (PDT) Received: from [192.168.0.140] (rev-10.ethnet.com.pl. [87.204.29.10]) by smtp.gmail.com with ESMTPSA id x6sm801119lfe.67.2019.03.21.00.19.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Mar 2019 00:19:28 -0700 (PDT) Subject: Re: REGRESSION: dwc2: gadget: Add scatter-gather mode To: John Stultz , Marek Szyprowski Cc: Felipe Balbi , Minas Harutyunyan , Artur Petrosyan , Linux USB List , lkml , Tom Gall , Andrzej Hajda References: From: Andrzej Pietrasiewicz Message-ID: <2ee85d78-cc76-b43d-5787-72986c0ffb69@gmail.com> Date: Thu, 21 Mar 2019 08:19:27 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi John, W dniu 20.03.2019 o 21:17, John Stultz pisze: > On Mon, Mar 11, 2019 at 9:50 AM John Stultz wrote: >> On Mon, Mar 11, 2019 at 3:15 AM Marek Szyprowski >> wrote: >>> On 2019-03-08 21:53, John Stultz wrote: >>> I've CCed new Andrzej's email. >>> >>> Could you tell a bit more how to reproduce this issue? Which USB >>> function are you running on the target system? I've noticed that you are >>> using functionfs. Is is possible to get access to the usb function >>> daemon to reproduce the problem here? Which version of HiKey board are >>> you using? >> Can you please apply this patch: https://www.spinics.net/lists/linux-usb/msg178195.html and see if this helps? Andrzej