From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758238Ab3BVRCp (ORCPT ); Fri, 22 Feb 2013 12:02:45 -0500 Received: from mga11.intel.com ([192.55.52.93]:15015 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757984Ab3BVRCn (ORCPT ); Fri, 22 Feb 2013 12:02:43 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,717,1355126400"; d="scan'208";a="290652472" Message-ID: <5127A493.8040900@intel.com> Date: Sat, 23 Feb 2013 01:02:11 +0800 From: Lan Tianyu User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130215 Thunderbird/17.0.3 MIME-Version: 1.0 To: Dave Jones , Greg KH , Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Lan Tianyu Subject: Re: [GIT PATCH] USB patches for 3.9-rc1 References: <20130221184010.GA24692@kroah.com> <20130222085954.GA4352@redhat.com> <51273F8E.3020807@intel.com> <20130222164318.GA27619@redhat.com> In-Reply-To: <20130222164318.GA27619@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2013/2/23 0:43, Dave Jones wrote: > On Fri, Feb 22, 2013 at 05:51:10PM +0800, Lan Tianyu wrote: > > > > > Nothing major, lots of gadget fixes, and of course, xhci stuff. > > > > > > I get no USB devices recognised when I insert them any more, which > > > I think is pretty major. I suspect it has something to do with this ? > > > > > > > Lan Tianyu (12): > > > > usb: add runtime pm support for usb port device > > > > usb: add usb port auto power off mechanism > > > > > > It looks like every port on my laptop is powered down, as I can't > > > even charge devices with it. > > > > Do you enable the port/power/pm_qos_no_power_off? > > cat /sys/bus/usb/devices/(dev)/port/power/pm_qos_no_power_off to show. > > /sys/bus/usb/devices/1-1.4/port/power/pm_qos_no_power_off:1 > /sys/bus/usb/devices/1-1.6/port/power/pm_qos_no_power_off:1 > /sys/bus/usb/devices/1-1/port/power/pm_qos_no_power_off:1 > /sys/bus/usb/devices/2-1/port/power/pm_qos_no_power_off:1 > At last, this mean usb port power off mechanism should not work. > I changed them to 0, made no difference. > > > > What can I do to debug this ? > > Can you attach the output of dmesg with CONFIG_USB_DEBUG? > > http://paste.fedoraproject.org/3620 How about"sudo lsusb -s 1:1 -v" or "2:1"? > > Dave > -- Best Regards Tianyu Lan linux kernel enabling team