On Fri, Jan 13, 2012 at 22:54, Hans Petter Selasky <hsela...@c2i.net> wrote:
> Hi,
> Could you patch ucom_set_pnpinfo_usb() instead, so that such a sysctl is
> created for all ucom devices, not only umodem?

I guess it will be necessary to remove a sysctl oid from a parent
sysctl tree before destroying ucom structures.
It's would be better to do in ucom_detach() but now there is no a
pointer to a parent device structure from there.

Now all drivers that use ucom pass a pointer to parent softc structure
to ucom_attach().
Is there any reason for this?
May be it's would be more useful to pass a pointer to a parent device structure.

> Can you explain a bit more how you use this information in your scripts?

I've got a gps receiver and a mobile phone that supported by the umodem driver.
I can attach its in any order.
So I use sysctl to generate gpsd and ppp configs with appropriate
values of serial port.

Mykhaylo Yehorov
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