[RFC PATCH 4/4] power: reset: Implement a PSCI SYSTEM_RESET2 reboot-mode driver

[Elliot Berman]

On 7/26/2023 3:41 AM, Pavan Kondeti wrote:
> On Mon, Jul 24, 2023 at 03:30:54PM -0700, Elliot Berman wrote:
>> PSCI implements a restart notifier for architectural defined resets.
>> The SYSTEM_RESET2 allows vendor firmware to define additional reset
>> types which could be mapped to the reboot reason.
>>
>> Implement a driver to wire the reboot-mode framework to make vendor
>> SYSTEM_RESET2 calls on reboot.
>>
>> Signed-off-by: Elliot Berman <quic_eberman at quicinc.com>
> 
> Do we need to skip the PSCI call from the existing PSCI restart notifier
> which gets called after your newly introduced callback from reboot mode
> notifier?
> 

No need, the vendor SYSTEM_RESET2 call shouldn't return if the call worked.

> Thanks,
> Pavan