Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp1746909imu; Wed, 12 Dec 2018 03:41:37 -0800 (PST) X-Google-Smtp-Source: AFSGD/XVZF2CySsw2fD7XZ+XN9p2AVMehlgZX20Jn0RttgYpraXyQKZswrH2R3pLt44bnwWuH6zh X-Received: by 2002:a63:585c:: with SMTP id i28mr18140643pgm.178.1544614897718; Wed, 12 Dec 2018 03:41:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1544614897; cv=none; d=google.com; s=arc-20160816; b=d24L+mvd3tDeflUZwa3y9TRzfTZofxhYkE/8RG384TRGWo3/yYGOT/+F2Q7ik7Fc18 cXzawAri2JZ+VdMndqzICaLPHNLSZmMsP9Q9vFOyx6uLHVPpTxxcMIT0yNEI+8F+dVDG 9K2JrHrjXhyXpELS12QvwNkgZi2aE/FyC6qzmiPNIwyP/vJ/gpZnrLGO/06qk1bnRjhM 0nkXQ9J0mE/lqqsUsd+RsXp8yc3YEy2/UXDRQyEwOgT2mrmSkCt8Tk1Sj4asc12yAeEQ 4sx3+HDkEYUnJDQuXh/nfX9qDCIDx37Da2sltSL0Idri8OTdcqtnI7wyuzXVGcvhp9Bl FIzw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=CXHhbVh7R0ap0lJO/RbeqZY28nnDewqKjoI+pPY/9FQ=; b=zU9XwsJsqkLZ2j5FmBIGcc6YqbObYGNBGfQ2PxF1VjwygnkEyYXDvR++i+qUD3zDKm y1oauXXGAS0mcI/p96F/sFGpWlHKZeqJKwbhkh8iOHS8VcVebFe5oz+Sl/qzBHqtOr+0 pdRXcHrtOxRtqz0fNMMLFhhKPalm/uPg/EnifOHawoLnZlNWWRnpTH/GgeSvy3fytP1X 7n3v1rBWDnCK/7W+33HNENEsCQiW1woZtb4iMgTaaUPBK3PQzedX3ucU50EUbHu2woXk cNs2F2+51E3YaqAMSjl4KWvoi5RNqch4UEqUyQYih4nZCCqmJrEN8mqkbGEnocdIP5mz szwA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=PYgT7+J5; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x23si14650161pln.100.2018.12.12.03.41.16; Wed, 12 Dec 2018 03:41:37 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=PYgT7+J5; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727255AbeLLLjR (ORCPT + 99 others); Wed, 12 Dec 2018 06:39:17 -0500 Received: from mail.kernel.org ([198.145.29.99]:53124 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726869AbeLLLjR (ORCPT ); Wed, 12 Dec 2018 06:39:17 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3608720873; Wed, 12 Dec 2018 11:39:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544614756; bh=Q3gIpLnDq06ukydB5kjlUNe4LuVqTv3eOP77njkEZrs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PYgT7+J5mo7+9Z9zHHupVui1b65uE21bd2H8K8AxsZ2hIifO7ruT8FTfLYFFGlDTh xXOcsPr0oku3byyrPWDqk4mtbkXDjN1DgojET8lZlJuaySXngcAkO2OjMGaVxC6mdb dnFATXc2FZRKJ2woQewLiAN60QJgXeXELYYPaRdc= Date: Wed, 12 Dec 2018 12:37:35 +0100 From: Greg Kroah-Hartman To: Kyle Williams Cc: linux-kernel@vger.kernel.org, Alan Stern , Mathias Nyman , Nicolas Boichat , Jon Flatley , Felipe Balbi , Kai-Heng Feng , Kuppuswamy Sathyanarayanan , Harry Pan , Emmanuel Pescosta , Danilo Krummrich , Dmitry Fleytman Dmitry Fleytman , linux-usb@vger.kernel.org Subject: Re: [PATCH v3 2/2] USB: quirks: Disable LPM for Logitech UVC devices Message-ID: <20181212113735.GB20058@kroah.com> References: <20181205093902.GA18633@kroah.com> <20181208014724.951-1-kdgwill@google.com> <20181208014724.951-3-kdgwill@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181208014724.951-3-kdgwill@google.com> User-Agent: Mutt/1.11.1 (2018-12-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 07, 2018 at 08:47:22PM -0500, Kyle Williams wrote: > From: Kyle Williams > > Description: Some USB device / host controller combinations seem to have > problems with Link Power management. In particular it is described that > the combination of certain Logitech uvc devices and other powered media > devices such causes 'not enough bandwidth for new device state' error. Same thing with "Description:" :(