On Wednesday, December 02, 2015 02:10:45 PM Sudeep Holla wrote: > ACPI 6.0 adds a new method to specify the CPU idle states(C-states) > called Low Power Idle(LPI) states. Since new architectures like ARM64 > use only LPIs, introduce ARCH_SUPPORTS_ACPI_PROCESSOR_CSTATE to > encapsulate all the code supporting the old style C-states(_CST) No. The way it really should work is to check if the firmware supports LPI (and what kind of it) and try to use _CST if LPI is not supported. If LPI is supported by the firmware, use it if the LPI objects are present as expected or fall back to using _CST otherwise. This way it all should work without any new Kconfig options. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
