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

2013-10-16 Thread Julius Werner
> 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. As Benson said, we're seeing this

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

2013-10-16 Thread Benson Leung
On Wed, Oct 16, 2013 at 4:57 PM, Sarah Sharp 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 i

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

2013-10-16 Thread Sarah Sharp
On Tue, Oct 15, 2013 at 05:45:00PM -0700, Julius Werner wrote: > This patch adds the Port Reset Change flag to the set of bits that are > preemptively cleared on init/resume of a hub. In theory this bit should > never be set unexpectedly... in practice it can still happen if BIOS, > SMM or ACPI cod

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

2013-10-16 Thread Alan Stern
On Tue, 15 Oct 2013, Julius Werner wrote: > This patch adds the Port Reset Change flag to the set of bits that are > preemptively cleared on init/resume of a hub. In theory this bit should > never be set unexpectedly... in practice it can still happen if BIOS, > SMM or ACPI code plays around with

[PATCH v2] usb: hub: Clear Port Reset Change during init/resume

2013-10-15 Thread Julius Werner
This patch adds the Port Reset Change flag to the set of bits that are preemptively cleared on init/resume of a hub. In theory this bit should never be set unexpectedly... in practice it can still happen if BIOS, SMM or ACPI code plays around with USB devices without cleaning up correctly. This is