Re: [PATCH v8 5/5] riscv: Enable PM_GENERIC_DOMAINS for T-Head SoCs
From: Drew Fustini
Date: Fri Apr 04 2025 - 14:55:41 EST
On Tue, Mar 11, 2025 at 06:19:00PM +0100, Michal Wilczynski wrote:
> T-Head SoCs feature separate power domains (power islands) for major
> components like the GPU, Audio, and NPU. To manage the power states of
> these components effectively, the kernel requires generic power domain
> support.
>
> This commit enables `CONFIG_PM_GENERIC_DOMAINS` for T-Head SoCs,
> allowing the power domain driver for these components to be compiled and
> integrated. This ensures proper power management and energy efficiency
> on T-Head platforms.
>
> By selecting `PM_GENERIC_DOMAINS`, we provide the necessary framework
> for the power domain drivers to function correctly on RISC-V
> architecture with T-Head SoCs.
>
> Signed-off-by: Michal Wilczynski <m.wilczynski@xxxxxxxxxxx>
> ---
> arch/riscv/Kconfig.socs | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
> index 1916cf7ba450..83833ded8908 100644
> --- a/arch/riscv/Kconfig.socs
> +++ b/arch/riscv/Kconfig.socs
> @@ -53,6 +53,7 @@ config ARCH_THEAD
> bool "T-HEAD RISC-V SoCs"
> depends on MMU && !XIP_KERNEL
> select ERRATA_THEAD
> + select PM_GENERIC_DOMAINS if PM
> help
> This enables support for the RISC-V based T-HEAD SoCs.
>
> --
> 2.34.1
>
Reviewed-by: Drew Fustini <drew@xxxxxxxx>
Conor - would you be able to take this Kconfig.socs patch?
Thanks,
Drew