How to get a device_t

[Poul-Henning Kamp]

In message <20030808083617.E7321 at freebsd1.cimlogic.com.au>, John Birrell writes
:

>I'm not convinced that any hacking is required other than passing the
>device_t parent to nexus_pcib_is_host_bridge (in STABLE) as Bernd says.
>I traced the boot on my system and the MMCR is initialised early (when
>the Timecounter "ELAN" output occurs). Immediately following that
>initialisation, 'pcib' is added as a child of 'nexus'. I don't see why
>'mmcr' couldn't be added as a child of 'nexus' too. At this point,
>nexus isn't walking through it's children so there shouldn't be a problem.
>Then the ELAN specific devices (like GPIO and flash) can attach to 'mmcr'.
>
>This seems straight forward. Maybe I'm missing something. 8-)

That's my take too.  And MMCR belongs on nexus not on legacy from an
architectural point of view.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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