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Date: Mon, 20 Jul 2009 20:26:20 +0200
From: Andre Albsmeier <Andre.Albsmeier@siemens.com>
To: Andriy Gapon <avg@icyb.net.ua>
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Cc: freebsd-hackers@freebsd.org, Rui Paulo <rpaulo@freebsd.org>,
	Julian Elischer <julian@elischer.org>,
	Andre Albsmeier <Andre.Albsmeier@siemens.com>
Subject: Re: Reading acpi memory from a driver attached to hostb
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On Mon, 20-Jul-2009 at 14:05:34 +0300, Andriy Gapon wrote:
> on 18/07/2009 17:06 Julian Elischer said the following:
> > Andre Albsmeier wrote:
> >> But in order to attach to acpi0, I need to say
> >>
> >> DRIVER_MODULE( eccmon, acpi, eccmon_driver, eccmon_devclass,  NULL,
> >> NULL );
> >>
> >> instead of
> >>
> >> DRIVER_MODULE( eccmon, hostb, eccmon_driver, eccmon_devclass,  NULL,
> >> NULL );
> > 
> > try both  with different devclass and other args.
> 
> Just to expand on Julian's words.
> You can create eccmon and e.g. eccmon_acpi such that they are different drivers
> (on different buses) in newbus sense, but logically they can share data or
> otherwise cooperate.

Very interesting code, I still haven't understood all of it but
we will see...

This could be the solution -- however, if somebody knows a more
simple way, please let me know.

Thanks,

	-Andre

> 
> /sys/dev/cpufreq/ichss.c prior to rev. 177041 used to be like that.
> 
> -- 
> Andriy Gapon
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