Subject: Re: [PATCH 2/3] powerpc/sysfs: Show idle_purr and idle_spurr for every CPU

From: Nathan Lynch <[email-masked]>
Date: Wed, 04 Dec 2019 16:24:31 -0600

"Gautham R. Shenoy" <[email-masked]> writes:
> @@ -1067,6 +1097,8 @@ static int __init topology_init(void)
>  			register_cpu(c, cpu);
>  
>  			device_create_file(&c->dev, &dev_attr_physical_id);
> +			if (firmware_has_feature(FW_FEATURE_SPLPAR))
> +				create_idle_purr_spurr_sysfs_entry(&c->dev);

Architecturally speaking PURR/SPURR aren't strongly linked to the PAPR
SPLPAR option, are they? I'm not sure it's right for these attributes to
be absent if the platform does not support shared processor mode.