From: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>
To: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
Cc: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Grazvydas Ignotas
<notasas-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Kishon Vijay Abraham I <kishon-l0cyMroinI0@public.gmane.org>
Subject: Re: usb: musb: Fix LapDock enumeration on omap for boot and slow cable insertion
Date: Wed, 15 May 2013 17:05:37 +0300 [thread overview]
Message-ID: <20130515140537.GC26183@arwen.pp.htv.fi> (raw)
In-Reply-To: <20130503180132.GW28721-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
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On Fri, May 03, 2013 at 11:01:33AM -0700, Tony Lindgren wrote:
> * Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org> [130503 10:55]:
> > Looks like we can get VBUS interrupt before the ID interrupt
how can this happen ? VBUS interrupt happens when you connect to a port
which is sourcing VBUS to you, while ID interrupt happens when ID is
grounded, meaning that you should be sourcing VBUS.
Have you hacked a Hub to backfeed 5V to OMAP by any chance ?
--
balbi
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next prev parent reply other threads:[~2013-05-15 14:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-03 17:50 usb: musb: Fix LapDock enumeration on omap for boot and slow cable insertion Tony Lindgren
2013-05-03 18:01 ` Tony Lindgren
[not found] ` <20130503180132.GW28721-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2013-05-15 14:05 ` Felipe Balbi [this message]
2013-05-16 17:15 ` Tony Lindgren
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