git: acpi: sync GPE with FreeBSD 8.0 (and according the acpi api)

[Sepherosa Ziehau]

On Fri, Apr 15, 2011 at 5:51 PM, YONETANI Tomokazu <y0n3t4n1 at gmail.com> wrote:
> On Sun, Mar 27, 2011 at 03:43:40AM -0700, Sepherosa Ziehau wrote:
>>
>> commit 29b0d8e7b398c0db96e877a1a0ff818fc557d619
>> Author: Magliano Andrea <masterblaster at tiscali.it>
>> Date:   Thu Feb 24 17:37:44 2011 +0100
>>
>>     acpi: sync GPE with FreeBSD 8.0 (and according the acpi api)
>
> After this commit, the power button stopped working (that is, pressing it
> doesn't cause the system to enter S5)  on my DELL Inspiron mini10
> (about two-year-old netbook with Z530): commenting out this part seems
> to fix the problem:
>
> @@ -1627,6 +1628,9 @@ acpi_probe_child(ACPI_HANDLE handle, UINT32 level, void *context, void **status)
>            if (*search != NULL)
>                break;
>
> +        if (type == ACPI_TYPE_DEVICE && acpi_parse_prw(handle, &prw) == 0)
> +            AcpiSetupGpeForWake(handle, prw.gpe_handle, prw.gpe_bit);
> +
>            /*
>             * Create a placeholder device for this node.  Sort the
>             * placeholder so that the probe/attach passes will run
>
> I noticed that on FreeBSD, acpi_probe_child is passed to AcpiWalkNamespace()
> (in acpi_probe_children()) as its 4th argument, or PreOrderVisit, whereas
> on DragonFly as 5th, or PostOrderVisit, but moving the argument didn't change
> the situation.

Please pull from master, and retest:
7a7d9bbd427dc2419972a0001a56101aefc68437

Best Regards,
sephe

>
> I also found that, with or without commenting the above part of the
> added code, the following error and warning are in dmesg:
>
> ACPI Error: Could not enable PowerButton event (20110211/evxfevnt-288)
> ACPI Warning: Could not enable fixed event 0x2 (20110211/evxface-295)
>



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