Date: Sat, 14 Jan 2012 10:50:20 GMT From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@FreeBSD.org Subject: Re: usb/164090: [umodem] [patch] Add sysctl with ucom unit number Message-ID: <201201141050.q0EAoKiI047345@freefall.freebsd.org>
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The following reply was made to PR usb/164090; it has been noted by GNATS. From: Hans Petter Selasky <hselasky@c2i.net> To: Mykhaylo Yehorov <yehorov@gmail.com> Cc: freebsd-usb@freebsd.org, freebsd-gnats-submit@freebsd.org Subject: Re: usb/164090: [umodem] [patch] Add sysctl with ucom unit number Date: Sat, 14 Jan 2012 11:45:05 +0100 On Saturday 14 January 2012 10:51:07 Mykhaylo Yehorov wrote: > On Fri, Jan 13, 2012 at 22:54, Hans Petter Selasky <hselasky@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. Ok, I see. And you cannot use the information passed through devd by ucom_set_pnpinfo_usb()? --HPS
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