Re: [PATCH] cpufreq/amd-pstate: Add POWER_SUPPLY dependency for dynamic EPP

[Rafael J. Wysocki]

On Tue, Apr 7, 2026 at 4:55 PM Mario Limonciello
<mario.limonciello@xxxxxxx> wrote:
>
> The dynamic EPP feature uses power_supply_reg_notifier() and
> power_supply_unreg_notifier() but doesn't declare a dependency on
> POWER_SUPPLY, causing linker errors when POWER_SUPPLY is not enabled.
>
> Add POWER_SUPPLY to the depends line to fix the build issue.
>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Closes: https://lore.kernel.org/oe-kbuild-all/202604040742.ySEdkuAa-lkp@xxxxxxxxx/
> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
> ---
>  drivers/cpufreq/Kconfig.x86 | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86
> index a0dbb9808ae9..53e2702e6f1c 100644
> --- a/drivers/cpufreq/Kconfig.x86
> +++ b/drivers/cpufreq/Kconfig.x86
> @@ -71,7 +71,7 @@ config X86_AMD_PSTATE_DEFAULT_MODE
>
>  config X86_AMD_PSTATE_DYNAMIC_EPP
>         bool "AMD Processor P-State dynamic EPP support"
> -       depends on X86_AMD_PSTATE
> +       depends on X86_AMD_PSTATE && POWER_SUPPLY
>         default n
>         help
>           Allow the kernel to dynamically change the energy performance
> --

Applied, thanks!