Re: [RFC PATCH] arm64: dts: allwinner: a64/h5: Add CPU idle states

On Tue, Mar 23, 2021 at 11:44:50PM -0500, Samuel Holland wrote:

3) Modify the Linux PSCI client to respect PSCI_FEATURES when setting
   psci_ops.cpu_suspend. cpuidle-psci checks for this function before
   setting up idle states.

We don't call PSCI_FEATURES on mandatory functions as it may not return
anything meaningful for such mandatory functions(as that is not mandated
in the spec). In short NACK to add PSCI_FEATURES check for mandatory
functions.

--
Regards,
Sudeep