From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lan Tianyu Subject: Re: [RFC PATCH] usb/acpi: Add support usb port power off mechanism for device fixed on the motherboard Date: Sun, 13 May 2012 02:04:25 +0800 Message-ID: <4FAEA629.4080005@intel.com> References: <4FAEA23B.1010009@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mga01.intel.com ([192.55.52.88]:29914 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753064Ab2ELSE1 (ORCPT ); Sat, 12 May 2012 14:04:27 -0400 In-Reply-To: <4FAEA23B.1010009@intel.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Alan Stern Cc: Sarah Sharp , "lenb@kernel.org" , "gregkh@linuxfoundation.org" , "linux-acpi@vger.kernel.org" , "linux-usb@vger.kernel.org" On 2012/5/13 1:47, Lan Tianyu wrote: > My main question is that how does usb_port_debounce() prevent the > connect-change and enable-change bits to be off. Sorry. a typo. My main question is that how usb_port_debounce() prevents the connect-change and enable-change bits to be on. -- Best Regards Tianyu Lan linux kernel enabling team