[PATCH 10/21] regulator: core: Probe regulators on demand

Mark Brown broonie at kernel.org
Tue May 26 02:36:01 PDT 2015


On Tue, May 26, 2015 at 08:17:23AM +0200, Tomeu Vizoso wrote:
> On 25 May 2015 at 19:32, Mark Brown <broonie at kernel.org> wrote:

> > The obvious questions here based on the name are why we're doing
> > something specific to platform devices and why this isn't something
> > we're abstracting in the driver core (or at least generic firmware code)
> > - we're going to have the same thing with ACPI.

> I don't know how useful this is going to be in systems with ACPI. My
> experience is limited to 32bit ARM, where the kernel has to manage
> every regulator, clock, gpio, etc so the dependency tree is so big. Is
> deferred probing a problem with ACPI as well?

Yes, x86 based embedded systems use ACPI (and we really ought to be
trying to help systems using board files too for that matter).
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