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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 2B523C04EB8 for ; Wed, 12 Dec 2018 11:39:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E1B0220880 for ; Wed, 12 Dec 2018 11:39:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1544614759; bh=Q3gIpLnDq06ukydB5kjlUNe4LuVqTv3eOP77njkEZrs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=UNCpX2VJUjPkOm6erqDLBpNR2BP0dfRd7QpDnjmHRQg++t1/brrniXMCmgHILFDI3 nF34OtS4nhE0cUaI/nWsCEI5T6IlCap1dOOCNwIPLkXBWYHzDzxizAibUXQUHjCjP0 6+Y26f4Ay6LeR0Qw54ojL4w9w7/7IdWMbASZO1cA= DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E1B0220880 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727270AbeLLLjR (ORCPT ); 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:" :(