Re: [PATCH 9/9 v3] usbcore: add sysfs support to xHCI usb2 hardware LPM

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On Tue, 2011-09-06 at 08:18 -0700, Sarah Sharp wrote:
> On Tue, Sep 06, 2011 at 03:51:47PM +0800, Andiry Xu wrote:
> > This patch adds sysfs support to xHCI usb2 hardware LPM, so user can enable
> > and disable usb2 hardware LPM manually.
> 
> Will the user have to enable LPM for every device through this sysfs
> file, or is it enabled by default?  It's going to take time to get the
> Linux distros to backport these patches, and even longer to get them to
> create udev rules to turn LPM on.
> 

It's enabled by default if LPM test passed. Just provide an interface to
user to allow them to put it on/off.

Thanks,
Andiry

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