On 12-02-24, 16:24, Rafael J. Wysocki wrote: > On Thu, Feb 8, 2024 at 4:44 AM Sunil V L <sunilvl@xxxxxxxxxxxxxxxx> wrote: > > > > This series enables the support for "Collaborative Processor Performance > > Control (CPPC) on ACPI based RISC-V platforms. It depends on the > > encoding of CPPC registers as defined in RISC-V FFH spec [2]. > > > > CPPC 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#collaborative-processor-performance-control > > [2] - https://github.com/riscv-non-isa/riscv-acpi-ffh/releases/download/v1.0.0/riscv-ffh.pdf > > > > The series is based on the LPI support series. > > Based-on: 20240118062930.245937-1-sunilvl@xxxxxxxxxxxxxxxx > > (https://lore.kernel.org/lkml/20240118062930.245937-1-sunilvl@xxxxxxxxxxxxxxxx/) > > > > Sunil V L (3): > > ACPI: RISC-V: Add CPPC driver > > cpufreq: Move CPPC configs to common Kconfig and add RISC-V > > RISC-V: defconfig: Enable CONFIG_ACPI_CPPC_CPUFREQ > > > > arch/riscv/configs/defconfig | 1 + > > drivers/acpi/riscv/Makefile | 1 + > > drivers/acpi/riscv/cppc.c | 157 +++++++++++++++++++++++++++++++++++ > > drivers/cpufreq/Kconfig | 29 +++++++ > > drivers/cpufreq/Kconfig.arm | 26 ------ > > 5 files changed, 188 insertions(+), 26 deletions(-) > > create mode 100644 drivers/acpi/riscv/cppc.c > > > > -- > > This is fine with me, so > > Acked-by: Rafael J. Wysocki <rafael@xxxxxxxxxx> > > and it would be good to ask Viresh (who maintains the CPPC cpufreq > driver) for an ACK. I have provided my Ack over the cpufreq patch. Thanks. -- viresh
