[OLPC-devel] Re: Why ACPI DSDT tables?

[Jim Gettys]

On Mon, 2006-07-10 at 10:55 -0600, Jordan Crouse wrote:

> 
> So, if all things are equal, isn't it easier for us to just write simple
> kernel drivers to talk to the devices directly rather then go through the
> effort of writing the necessary ACPI code as well as any needed BIOS or
> interpreter support?
> 
> I hate writing new interfaces, but is it worth the pain of making ACPI work
> just so we don't have to do any work in the kernel to get the battery status?

The issue is if we invent new interfaces for power management, we end up
having to do long term maintenance in HAL and power management user
interface applications forever more.
                                     - Jim

-- 
Jim Gettys
One Laptop Per Child