On 五, 2012-02-17 at 23:23 +0100, Rafael J. Wysocki wrote:

quoted

Okay, agreed.
so how about this? _PR3 equals D3_HOT support.

Yes, I can agree with that. :-)

quoted

quoted

quoted

Hmm, how about set D3_COLD support if _PR3 exists, but leave a warning
message if _OFF doesn't exist, for now?

I don't think we need to set D3_COLD support at all.  In fact, it is always
supported (as I said, if all power resources used by a device are off, the
device is in D3_COLD pretty much by definition).

Yeah, but it seems that Linux uses ACPI_D3 for both ACPICA D3_HOT and D3
(off). I'm generating a patch to remove ACPI_D3_COLD and introduce
D3_HOT support in Linux kernel.

That's a good idea in my opinion.

Great.
Patch will be sent out later.

thanks,
rui

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