Messages in this thread | | | Date | Thu, 16 Sep 1999 13:49:01 -0700 (PDT) | From | Andy Henroid <> | Subject | Re: [PATCH] generic ACPI support |
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--- Jeff Garzik <jgarzik@pobox.com> wrote: > Andy Henroid wrote: > > > > I've gone a couple rounds with Linus on this > > patch for generic (ie. not PIIX4 specific) ACPI > > support and I think I've won his tentative > > approval. I would appreciate feedback from > > anybody else that is interested. > > How does this relate to work at > http://phobos.fachschaften.tu-muenchen.de/acpi/ ?
This is one of the two ideas floating around in the ACPI4Linux project. I'm calling this one the "thin ACPI driver" model. The alternate idea basically integrates the AML interpreter directly into the kernel which adds quite a bit of size to the kernel (guessing maybe 300k+, ouch)
> Also please consider a good generic power management > interface underneath ACPI. Non-ACPI devices[1] can > use this interface to achieve the same things.
> [1] Like embedded devices, APM driver, or devices w/ > working direct PM but broken ACPI
I definitely need to start putting together a good device power management interface to implement ACPI D-states. Something like (to the driver) "going into D2, save your device state". Any ideas there would be appreciated (please direct to the ACPI4Linux mailing list, acpi@phobos.fs.tum.de)
Support for broken or non-ACPI devices will certainly be kept in mind. Of course, the ACPI4Linux project needs to get a bit further along before that's even an issue.
Thanks, Andy
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