Patch to hal-spec : 1/6-pmu-acpi

Richard Hughes ee21rh at surrey.ac.uk
Thu Jan 13 03:20:46 PST 2005


David Zeuthen <david <at> fubar.dk> writes:

> 
> OK, so here I assume that all device objects with system.*
> properties will also have either acpi.* or pmu.* properties,
> right?

Yep, thats the way I planned it.

> 
> How about:
> 
> Device objects with the capability pmu represent functionality provided
> by the Power Management Unit found in various PPC based systems.

Thanks
 
> 
> Should also have pmu.device that gives the device file, e.g. /dev/pmu
> (remember, udev may call it something else!).
> 

Yes, of course.

> There is, AFAIK, really no ACPI bus; it's a firmware property. Also, one
> is not required to mount procfs at /proc 
> 
> How about
> 
> "Device objects with the capability <literal>acpi</literal> represent
> functionality accessible through the ACPI firmware"
> 

Good for me.

>  acpi.proc_path = /proc/acpi/button/power/PWRF

Yes, I think you mentioned this before, I forgot to add it then. Done.

Richard



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