linux-kernel - Re: [PATCH] usb: xhci-plat: Enable USB 2.0 hardware LPM support for platform xHCs

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Date:	Wed, 21 Aug 2013 19:12:27 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
Cc:	Julius Werner <jwerner@...omium.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	Vincent Palatin <vpalatin@...omium.org>,
	Benson Leung <bleung@...omium.org>,
	Felipe Balbi <balbi@...com>, mathias.nyman@...ux.intel.com
Subject: Re: [PATCH] usb: xhci-plat: Enable USB 2.0 hardware LPM support for
 platform xHCs

On Wed, Aug 21, 2013 at 05:45:14PM -0700, Sarah Sharp wrote:
> On Wed, Aug 21, 2013 at 02:43:55PM -0700, Julius Werner wrote:
> > > Thanks for the patch!  Did you test with a USB analyzer to see if the
> > > device was actually going into USB 2.0 Link PM?  I'd like to confirm we
> > > really aren't breaking anything for DW3 hosts by enabling this.
> > 
> > Yes, I did. The LPM transfers on the analyzer look good and the device
> > works as expected.
> 
> Ok, good to know.  Greg, is your USB tree still open for feature
> requests?  I wouldn't normally send you usb-next requests so late, but
> this is pretty simple patch to extend a feature that's already in your
> usb-next tree.

Depends on how much you trust it and how bad it will break other things :)


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