Merge patch series "RISC-V: ACPI: Add LPI support"

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Sunil V L <sunilvl@ventanamicro.com> says:

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

* b4-shazam-merge:
  ACPI: Enable ACPI_PROCESSOR for RISC-V
  ACPI: RISC-V: Add LPI driver
  cpuidle: RISC-V: Move few functions to arch/riscv

Link: https://lore.kernel.org/r/20240118062930.245937-1-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

...

This commit is contained in:

Palmer Dabbelt 2024-03-19 17:51:41 -07:00

parent 728e7ea2b5 359df7c5be

commit 85ab6fdf37

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6 changed files with 141 additions and 46 deletions

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3

arch/riscv/include/asm/suspend.h

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49

arch/riscv/kernel/suspend.c

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2

drivers/acpi/Kconfig

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drivers/acpi/riscv/Makefile

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81

drivers/acpi/riscv/cpuidle.c

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49

drivers/cpuidle/cpuidle-riscv-sbi.c

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