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From: Warner Losh <imp@bsdimp.com>
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Date: Mon, 21 Nov 2011 10:09:37 -0700
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Cc: freebsd-hackers@FreeBSD.org, FreeBSD-Current <freebsd-current@FreeBSD.org>
Subject: Re: Reprobing of devices after module load?
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On Nov 21, 2011, at 9:26 AM, John Baldwin wrote:

> On Friday, November 18, 2011 11:48:20 am Paul B. Mahol wrote:
>> Hi,
>>=20
>> Is there nice way in FreeBSD to force reprobe of devices for specific
>> driver like it is done when kernel module is loaded (via
>> DRIVER_MODULE(...) stuff)?
>=20
> Note that those probes happen for specific buses rather than for =
specific=20
> drivers.  The routine that does this currently is static=20
> (devclass_driver_added() in sys/kern/subr_bus.c).  What specific =
problem are=20
> you trying to solve?  You might be able to use BUS_DRIVER_ADDED() or=20=

> device_probe_and_attach() to achieve what you are trying to do.

You can load a dummy module that has an attach point to the bus that =
you're wanting to force a rescan on.

Warner