Re: [PATCH 0/3] riscv: sbi: Switch to the sys-off handler API

[Conor Dooley]

Hey Samuel,

On Wed, Dec 28, 2022 at 10:19:12AM -0600, Samuel Holland wrote:
> I want to convert the axp20x PMIC poweroff handler to use the sys-off
> API, so it can be used as a fallback for if the SBI poweroff handler
> is unavailable. But the SBI poweroff handler still uses pm_power_off, so
> done alone, this would cause the axp20x callback to be called first,
> before the SBI poweroff handler has a chance to run.
> 
> In order to prevent this change in behavior, the SBI poweroff handler
> needs to be converted to the sys-off API first, at a higher priority.
> 
> This series performs the conversion, after accounting for the fact that
> the SBI poweroff handler is registered quite early during boot.
> 
> The first patch is a dependency for both this series and the PSCI
> series[1], so I would like to get at least patch 1 merged soon.
> 
> [1]: https://lore.kernel.org/lkml/20221105214841.7828-1-samuel@xxxxxxxxxxxx/
> 
> 
> Samuel Holland (3):
>   kernel/reboot: Use the static sys-off handler for any priority
>   riscv: sbi: Share the code for unsupported extension warnings
>   riscv: sbi: Switch to the sys-off handler API

Not what other stuff has reboot support, so I gave it a whirl on
PolarFire SoC & it seemed to work as expected:
Tested-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Thanks,
Conor.

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