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

[Mario Limonciello <mario.limonciello@amd.com>]

On 4/7/26 12:08, K Prateek Nayak wrote:
> Hello Mario,
> 
> On 4/7/2026 8:24 PM, Mario Limonciello wrote:
>>   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
> 
> This config only controls the default selection right? The offending
> power_supply_{reg,unreg}_notifier() isn't guarded behind
> #ifdef CONFIG_X86_AMD_PSTATE_DYNAMIC_EPP so we'll still run into this.
> 
> I thing X86_AMD_PSTATE doing a "select POWER_SUPPLY" should cure this.
> Thoughts?
> 

Oh that's a really good point, thanks.  I'll send another patch as a 
follow up.