This series adds support for Low Power Idle (LPI) on ACPI based platforms. LPI is described in the ACPI spec [1]. RISC-V FFH spec required to enable this is available at [2]. [1] - https://uefi.org/specs/ACPI/6.5/08_Processor_Configuration_and_Control.html#lpi-low-power-idle-states [2] - https://github.com/riscv-non-isa/riscv-acpi-ffh/releases/download/v/riscv-ffh.pdf Sunil V L (2): ACPI: Enable ACPI_PROCESSOR for RISC-V cpuidle: RISC-V: Add ACPI LPI support drivers/acpi/Kconfig | 2 +- drivers/cpuidle/cpuidle-riscv-sbi.c | 78 +++++++++++++++++++++++++++++ 2 files changed, 79 insertions(+), 1 deletion(-) -- 2.34.1