[PATCH v4 4/5] arm64: add support for ACPI Low Power Idle(LPI)

Rafael J. Wysocki rjw at rjwysocki.net
Tue May 10 17:07:38 PDT 2016

On Tuesday, April 19, 2016 01:30:12 PM Sudeep Holla wrote:
> This patch adds appropriate callbacks to support ACPI Low Power Idle
> (LPI) on ARM64.
> It also selects ARCH_SUPPORTS_ACPI_PROCESSOR_LPI if ACPI is enabled
> on ARM64.

Can you remind me why we need the ARCH_SUPPORTS_ACPI_PROCESSOR_LPI thing in
addition to the previously defined ARCH_SUPPORTS_ACPI_PROCESSOR_CSTATE?

I thought supporting LPI would not require an arch Kconfig option.


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