umodem0, Cisco USB serial console, and quirks

[Warner Losh]

On Mon, Nov 5, 2018 at 9:04 AM Ian Lepore <ian at freebsd.org> wrote:

> I've always wanted a way to add VID/PID combos to ugsensa's internal
> list on the fly, like via hints or sysctl or something, to make this
> kind of quick test easier. But I never find time to add the feature.
>

I have code to do this generically at the bus layer. that is, treat VID/PID
A/B as really being C/D, which is what you want most of the time because so
many drivers do special things when they know they have a C/D but not a C/E.

Warner