From: Lan Tianyu <tianyu.lan@intel.com>
To: Greg KH <gregkh@linuxfoundation.org>
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
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 [thread overview]
Message-ID: <50FE990C.8090405@intel.com> (raw)
In-Reply-To: <20130121213126.GC20083@kroah.com>
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
next prev parent reply other threads:[~2013-01-22 13:50 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-21 14:17 [PATCH V6 0/8] usb: usb port power off mechanism and expose usb port connect type Lan Tianyu
2013-01-21 14:18 ` [PATCH v6 2/8] usb: Register usb port's acpi power resources Lan Tianyu
[not found] ` <1358777887-2656-3-git-send-email-tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-01-21 21:20 ` Greg KH
2013-01-22 3:11 ` Lan Tianyu
2013-01-21 14:18 ` [PATCH v6 3/8] PM/Qos: Expose dev_pm_qos_flags symbol Lan Tianyu
2013-01-21 14:18 ` [PATCH v6 4/8] usb: add runtime pm support for usb port device Lan Tianyu
[not found] ` <1358777887-2656-5-git-send-email-tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-01-21 21:24 ` Greg KH
2013-01-22 3:30 ` Lan Tianyu
[not found] ` <1358777887-2656-1-git-send-email-tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-01-21 14:18 ` [PATCH v6 1/8] USB: Set usb port's DeviceRemovable according acpi information Lan Tianyu
2013-01-21 14:18 ` [PATCH v6 5/8] usb: add usb port auto power off mechanism Lan Tianyu
2013-01-21 21:30 ` Greg KH
2013-01-21 14:18 ` [PATCH v6 8/8] usb: enable usb port device's async suspend Lan Tianyu
[not found] ` <1358777887-2656-9-git-send-email-tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-01-21 21:34 ` Greg KH
[not found] ` <20130121213418.GF20083-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2013-01-22 14:23 ` Lan Tianyu
2013-01-21 14:18 ` [PATCH v6 6/8] usb: expose usb port's pm qos flags to user space Lan Tianyu
2013-01-21 21:31 ` Greg KH
2013-01-22 13:50 ` Lan Tianyu [this message]
2013-01-21 14:18 ` [PATCH v6 7/8] usb: add usb_device_allow_power_off() and usb_device_prevent_power_off() function Lan Tianyu
[not found] ` <1358777887-2656-8-git-send-email-tianyu.lan-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-01-21 21:33 ` Greg KH
2013-01-22 13:59 ` Lan Tianyu
2013-01-22 15:09 ` Alan Stern
2013-01-21 21:33 ` Greg KH
[not found] ` <20130121213346.GE20083-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2013-01-22 14:23 ` Lan Tianyu
[not found] ` <50FEA0D0.6020106-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-01-22 15:05 ` Greg KH
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