Re: Forcing a USB device to "ugen"

[Greg Troxel <gdt%lexort.com@localhost>]

Jason Thorpe <thorpej%me.com@localhost> writes:

> I should be able to do this with OpenOCD (pkgsrc/devel/openocd), but
> libfdti1 fails to find the device because libusb1 only deals in
> "ugen".

Is that fundamental, in that ugen has ioctls that are ugen-ish that
uftdi does not?   I am guessing you thought about fixing libusb1.

> The desire to use "ugen" on "interface 1" is not a property of
> 0x0403,0x6010, it's really a property of
> "SecuringHardware.com","Tigard V1.1".  Unfortunately, there's isn't a
> way to express that in the kernel config syntax.
>
> I think my only short-term option here is to, in uftdi_match(), specifically reject based on this criteria:
>
> 	- VID == 0x0403
> 	- PID == 0x6010
> 	- interface number == 1
> 	- vendor string == "SecuringHardware.com"
> 	- product string == "Tigard V1.1"
>
> (It's never useful, on this particular board, to use the second port as a UART.)

That seems reasonable to me.  It seems pretty unlikely to break other
things.