[Ksummit-discuss] [TECH TOPIC] Driver model/resources, ACPI, DT, etc (sigh)

[Linus Walleij]

On Wed, May 14, 2014 at 2:25 PM, Mark Brown <broonie at kernel.org> wrote:
> On Wed, May 14, 2014 at 02:06:10PM +0200, Arnd Bergmann wrote:
>
>> The way I see things moving forward for ACPI is to add a standard way to
>> name things (GPIOs, IRQs, DMAs, ...) so we can have a generic 'give me
>> a pointer to the X object for this device' for each subsystem we want to
>> have it for. Note that this would probably not be a combined interface
>> across subsystems though.
>
> And indeed we already have that interface in the kernel for most APIs
> newer than GPIOs so in implementation terms this normally boils down to
> adding an ACPI backend for looking things up.

We have this for GPIO too, just need to continue to roll it out.

And we have backends for DT and ACPI alike.

Yours,
Linus Walleij