http://bugzilla.kernel.org/show_bug.cgi?id=8286





------- Additional Comments From [EMAIL PROTECTED]  2007-05-01 01:41 -------
> You are mistaken here - if a box has an active multiplexing controller (which 
> many HP's do have) then you have 4 independent AUX ports + 1 KBD port.

Not mistaken.  There's a difference between ports that are present in silicon
vs those which are actually wired up.  In this case, ACPI reported that only
two ports (KBD, one of the AUX == touchpad) are wired.  Ergo "too many".
As a rule, controllers that aren't usable shouldn't show in sysfs.


> also physically belong to the keyboard controller (i8042) not ACPI or PNP. 
> Therefore I do not think why I would want to use PNP nodes, especially given 
> the fact that I am quite often 4 nodes short.

As above.  The i8042 code is being told how many nodes *really* exist;
it's not a case of being "short", the others aren't wired up/usable.  A
PCI analogy:  sysfs won't show slots, it shows cards plugged into slots.


> Well, if driver needs to check anything then it is not automatic.

And as I explained:  "automatic" is in general not possible.


>    Anyway, I recommend adding this support to
> drivers/input/serio/i8042-x86ia64io.h where we 
> setup PNP driver for AUX and KBD nodes.

That's a reasonable solution on x86 and ia64 ... given the rather
strange driver structure.


> This will leave core i8042 blissfully unaware of PNP/ACPI.

But also:  unfortunately unaware of wakeup.

(And I didn't say a thing about making the core know about PNP.)


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