[Linaro-acpi] [PATCH v7 04/17] ARM64 / ACPI: Introduce early_param for "acpi" and pass acpi=force to enable ACPI
catalin.marinas at arm.com
Wed Jan 28 10:14:53 PST 2015
On Wed, Jan 28, 2015 at 06:08:24PM +0000, Timur Tabi wrote:
> On Wed, Jan 28, 2015 at 11:58 AM, Timur Tabi <timur at codeaurora.org> wrote:
> > What is the reason to assume that DT is preferred over ACPI? I would
> > have thought that if ACPI is present, then it means we're on an ARM64
> > server platform, and therefore it should be used. It seems silly to
> > require acpi=force on every ARM64 server platform.
> So it looks like there's a whole conversation about this already in
> this thread that I didn't notice. However, reading through all of it,
> I still don't understand sure why the presence of ACPI tables is
> insufficient to enable ACPI.
Because ACPI on arm64 is still experimental, no matter how many people
claim that it is production ready in their private setups.
> In what situation would we want to ignore ACPI tables that are
When DT tables are also present (and for the first platforms, that's
highly recommended, though not easily enforceable at the kernel level).
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