Hi Rafel, On Thu, Jan 18, 2024 at 11:59:27AM +0530, Sunil V L wrote: > 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 > Could you please take a look at this series also and provide ACK if looks fine? Thanks, Sunil > Changes since v2: > 1) Added "riscv_" prefix for functions made non static (Feedback from Drew) > 2) Added RB tags from Drew. > > Changes since v1: > 1) Reordered the commits such that the patch which enables > ACPI_PROCESSOR is the last one in the series. > 2) Used GENMASK and other changes to address Drew's comments. > 3) Moved common functions required by both DT and ACPI based cpuidle > drivers from the DT driver to common arch/riscv/suspend.c. > 4) ACPI cpuidle driver is added under drivers/acpi/riscv > 5) Rebased to latest for-next branch of linux-riscv. > > > Sunil V L (3): > cpuidle: RISC-V: Move few functions to arch/riscv > ACPI: RISC-V: Add LPI driver > ACPI: Enable ACPI_PROCESSOR for RISC-V > > arch/riscv/include/asm/suspend.h | 3 ++ > arch/riscv/kernel/suspend.c | 49 +++++++++++++++++ > drivers/acpi/Kconfig | 2 +- > drivers/acpi/riscv/Makefile | 3 +- > drivers/acpi/riscv/cpuidle.c | 81 +++++++++++++++++++++++++++++ > drivers/cpuidle/cpuidle-riscv-sbi.c | 49 ++--------------- > 6 files changed, 141 insertions(+), 46 deletions(-) > create mode 100644 drivers/acpi/riscv/cpuidle.c > > -- > 2.34.1 >
