[RFC PATCH 2/2] arm64: Use SYSTEM_OFF2 PSCI call to power off for hibernate

Sudeep Holla sudeep.holla at arm.com
Wed Mar 13 08:34:44 PDT 2024


On Tue, Mar 12, 2024 at 04:36:05PM +0000, David Woodhouse wrote:
> On Tue, 2024-03-12 at 15:57 +0000, Sudeep Holla wrote:
> > Looked briefly at register_sys_off_handler and it should be OK to call
> > it from psci_init_system_off2() below. Any particular reason for having
> > separate initcall to do this ? We can even eliminate the need for
> > psci_init_system_off2 if it can be called from there. What am I missing ?
>
> My first attempt did that. I don't think we can kmalloc that early:
>

That was was initial guess. But a quick hack on my setup and running it on
the FVP model didn't complain. I think either I messed up or something else
wrong, I must check on some h/w. Anyways sorry for the noise and thanks for
the response.

-- 
Regards,
Sudeep



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