Re: Exposing vendor-specific ACM channels to userspace as tty devices

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Am Dienstag, 17. November 2009 20:41:18 schrieb Alan Stern:
> > What's the best way to allow each driver to have a crack at this
> > particular interface?
> 
> The best way is to have each driver probe the interface and check
> whether it is the right driver.  If it isn't the probe should fail 
> with -ENODEV; then the driver core will continue on to probe other 
> drivers.

Yes. The problem is how to tell that something is not a serial interface.
It should have two bulk pipes. That is not very diagnostic. We can hardly
guess that it is a pseudo-acm interface if it is on the same device as
a real acm interface.

	Regards
		Oliver
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