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=-5.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 E10A0C433DF for ; Wed, 1 Jul 2020 09:53:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B61AC2073E for ; Wed, 1 Jul 2020 09:53:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=cogentembedded-com.20150623.gappssmtp.com header.i=@cogentembedded-com.20150623.gappssmtp.com header.b="hHylQbZL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729508AbgGAJxw (ORCPT ); Wed, 1 Jul 2020 05:53:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729278AbgGAJxv (ORCPT ); Wed, 1 Jul 2020 05:53:51 -0400 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F9C7C061755 for ; Wed, 1 Jul 2020 02:53:51 -0700 (PDT) Received: by mail-lj1-x241.google.com with SMTP id d17so11477989ljl.3 for ; Wed, 01 Jul 2020 02:53:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cogentembedded-com.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=I/f76nykIhM6w0mxf48ECzgXvFwae3Is6/TNMPfjn/g=; b=hHylQbZLWSMQvS+jL34OrCHviCm4p06ax2jAB/Gk6urL4J4jxv5/8rGojKeQYyavdF eUZjOvNtNz3QhibHh99I1upSXQk+yzeqQd/g2SWIe/VtzXAVgv/mgWpD9UIb0YNRAgbj KVqqaDF1vwJPVpxYHiKVoAz4f1kNAsfW8Z09jIKsmCMZYSm9W07AH8sbiZYH0xFptYNi FINJHAq3qgwJbmmg8ODhiVgh7gwiaokl9KMGMVrkQ5veQbQAXBSCxRtxS0bpfBRDderz B40j2OHIWh0NazuHUyGGv+AEjI1RnzWn4nmiMx66VBnbYQACDMfqQqBhJ5EZ8do0L3g+ dguQ== 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=I/f76nykIhM6w0mxf48ECzgXvFwae3Is6/TNMPfjn/g=; b=dk/hIgdU3G7pDE5l8UOOBUeIUIkyjDNb+fH2gu+Lbb0nkMrs6LCGxJEdqR7h7TB/o6 PRblQjrqIsAN6ccTLD8y5o5gSwRO5K2E5oyokNAhvE757kiPJSY2z8wGSU4mGYnSEei9 1k17Zva0BpkShUaIi68qh0Mi8z6DDHNN2JRJrRybcX3qv7klK1XsmaGhVfSn9XDtHrmc hFkBY4rynFIYCS1WGXehjipQ670jNF8HdDVpi9wGGe2bnnXgdmlCjUCdPZXHG+lmByQB iawvyZFujCgzIEWlTD14i89kk7mVuEBc2XMEmh6hqoZeEBGmubwY0+VZ3fzjGLRUIQ1j I5HA== X-Gm-Message-State: AOAM532ZXGK1JvqNQRalwaE77H0KkvtJ2szfOek6z9k5qfNDgLA4sojl qt2VTsh8lF3BYkK+msvBqTOnGg== X-Google-Smtp-Source: ABdhPJybcGIOrEOu+a0vnS84yjr2LYNSdi2py6iNCYBfKtpSPQpRWXdix0qcB7FFBX+acLzcyU+ejg== X-Received: by 2002:a2e:4612:: with SMTP id t18mr11798162lja.212.1593597230086; Wed, 01 Jul 2020 02:53:50 -0700 (PDT) Received: from ?IPv6:2a00:1fa0:8e8:f00c:217b:dbd8:22bd:2e1d? ([2a00:1fa0:8e8:f00c:217b:dbd8:22bd:2e1d]) by smtp.gmail.com with ESMTPSA id g7sm1859496lfe.62.2020.07.01.02.53.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2020 02:53:49 -0700 (PDT) Subject: Re: [PATCH v4 3/3] usb: dwc3: gadget: when the started list is empty stop the active xfer To: Michael Grzeschik , linux-usb@vger.kernel.org Cc: Thinh.Nguyen@synopsys.com, gregkh@linuxfoundation.org, kernel@pengutronix.de, balbi@kernel.org, Thinh Nguyen References: <20200701093137.19485-1-m.grzeschik@pengutronix.de> <20200701093137.19485-4-m.grzeschik@pengutronix.de> From: Sergei Shtylyov Message-ID: <7b90da3a-bced-3876-871d-a941c5caa4ba@cogentembedded.com> Date: Wed, 1 Jul 2020 12:53:38 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20200701093137.19485-4-m.grzeschik@pengutronix.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On 01.07.2020 12:31, Michael Grzeschik wrote: > When we have nothing left to be queued after handling the last trb > we have to stop the current transfer. This way we can ensure that > the next request will be queued with an new and valid timestamp s/an/a/. > and will not directly run into an missed xfer. > > Reviewed-by: Thinh Nguyen > Signed-off-by: Michael Grzeschik [...] MBR, Sergei