On Sun, 05 Sep 2010 04:03:24 +0200, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
On Sun, 5 Sep 2010, [utf-8] Michał Nazarewicz wrote:
On Fri, 03 Sep 2010 16:06:35 +0200, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> Why would the user want to tell the gadget driver which UDC to bind to?
> There can be only one UDC active at any time.
There were some comments on the list recently about platforms with multiple
UDCs.
Yes, I read them. The outcome of those comments was that although a
platform may have multiple UDCs, only one of them should be allowed to
be active at any time. Which is what I wrote above.
My understanding was that:
1. there can be one UDC used for "outside world" and another for inter-chip
communication, thus two UDCs are active and running; as well as
2. two UDC can be used for communicating with "outside world" with a
switching device chooses which UDC is connected to the USB socket on the
device, so two UDCs are running but only one can actually be connected.
Have I misunderstood something?
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