Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME

H. Peter Anvin
2013-12-20T21:43:38Z

On 12/20/2013 01:45 PM, Rafael J. Wysocki wrote:
>
> My understanding, however, is that to use the TAD, we don't actually need to
> create a struct acpi_device for it. We just need a handle to the ACPICA
> object which can be found using acpi_get_devices() as soon as the namespace
> has been extracted from the DSDT and friends. That in turn happens in
> acpi_early_init(), which is called from start_kernel() right before
> efi_late_init().
>
> Is that early enough?
>

Possibly... will have to investigate. I would also ask if the same
applies to the PNP0B0x devices -- all we really need there is the
presence/absence indication and the I/O port base.

-hpa