Re: [PATCH 4/4] ACPI PCI slot detection driver

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Hi Alex-san,

On my machine, it is legal to evaluate S1F0._SUN independent of
S1F0._STA because L001._INI has already been evaluated.

It would be helpful to know what Fujitsu's namespace looks like.
If Fujitsu slot objects contain _STA and _INI, then I agree with
Kenji-san -- I definitely need to check _STA before evaluating
_SUN.

Thank you for explanation. Maybe I understood the summary of
implementation of HP firmware. But how to use or where to put _INI
method in the ACPI namespace never becomes reasonable reason why
your driver may ignore _STA before evaluating _SUN.

But in any case, I think both HP and Fujitsu firmware are doing
legal things -- neither firmware is breaking the spec.

My understanding of your explanation so far is:

- evaluating _SUN without checking _STA doesn't cause problem,
 from the view point of HP's implementation.
- some IBM machine is doing same as HP

I never think those are reasonable reasons why ignoring _STA
before evaluating _SUN is legal. Am I missing something?

If one list is shorter than the other, then that should be the
list to put in the kernel, and the default behavior should be
"majority rule".

I don't want to consider "majority rule" before I understand why
ignoring _STA is legal.

Thanks,
Kenji Kaneshige

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