Re: [PATCH 09/10] usb: expose usb port's pm qos flags to user space

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On Wednesday, November 28, 2012 12:44:02 PM Alan Stern wrote:
> On Sat, 17 Nov 2012, 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 power off.
> 
> Do we really need this?  The user already can prevent the port from
> being powered off by writing "on" to the power/control attribute.

But that will prevent whoever is the parent of the port and its parent etc.
from suspending.

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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