linux-kernel - Re: [PATCH v2] usb: hub: Clear Port Reset Change during init/resume

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Message-ID: <CANLzEkvy_N1wtjZgOCvqQX6AS3cPZH458XeGwRxGff5oWk91RA@mail.gmail.com>
Date:	Wed, 16 Oct 2013 17:05:49 -0700
From:	Benson Leung <bleung@...omium.org>
To:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
Cc:	Julius Werner <jwerner@...omium.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-usb@...r.kernel.org, Alan Stern <stern@...land.harvard.edu>,
	Vincent Palatin <vpalatin@...omium.org>,
	Duncan Laurie <dlaurie@...omium.org>
Subject: Re: [PATCH v2] usb: hub: Clear Port Reset Change during init/resume

On Wed, Oct 16, 2013 at 4:57 PM, Sarah Sharp
<sarah.a.sharp@...ux.intel.com> wrote:
>
> Did you run into an issue where port status change events weren't being
> generated because the Port Reset flag was set?  I'm trying to figure out
> if this addresses a real issue you hit (and thus should be queued for
> stable), or if this is just a precaution.

We ran into this on HP Chromebook 14 (Falco). The port reset flag
would be set after a suspend/resume cycle with nothing attached.


-- 
Benson Leung
Software Engineer, Chrom* OS
bleung@...omium.org
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