From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lan Tianyu Subject: Re: [PATCH v6 6/8] usb: expose usb port's pm qos flags to user space Date: Tue, 22 Jan 2013 21:50:04 +0800 Message-ID: <50FE990C.8090405@intel.com> References: <1358777887-2656-1-git-send-email-tianyu.lan@intel.com> <1358777887-2656-7-git-send-email-tianyu.lan@intel.com> <20130121213126.GC20083@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com ([134.134.136.24]:45237 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751405Ab3AVNuI (ORCPT ); Tue, 22 Jan 2013 08:50:08 -0500 In-Reply-To: <20130121213126.GC20083@kroah.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Greg KH Cc: lenb@kernel.org, sarah.a.sharp@linux.intel.com, stern@rowland.harvard.edu, rjw@sisk.pl, oneukum@suse.de, linux-usb@vger.kernel.org, linux-acpi@vger.kernel.org On 2013/1/22 5:31, Greg KH wrote: > On Mon, Jan 21, 2013 at 10:18:05PM +0800, Lan Tianyu wrote: >> This patch is to expose usb port's pm qos flags(pm_qos_no_power_off, >> pm_qos_remote_wakeup) to user space. User can set pm_qos_no_power_off >> flag to prohibit the port from being powered off. > > How are they now seen by userspace? Should a new Documentation/ABI > entry be created somewhere describing this? There are already some descriptors in the Documentation/ABI/testing/sysfs-devices-power(line 208, lin223). > > thanks, > > greg k-h > -- Best Regards Tianyu Lan linux kernel enabling team