Re: [PATCH RFC 0/3] firmware: arm_firme: introduce FIRME support for host attestation

[Jason Gunthorpe]

On Tue, Oct 20, 2026 at 03:13:19PM +0100, Yeoreum Yun wrote:
> > I wouldn't over complicated it. We already have smccc bus to do this,
> > we don't need layered stacks of busses here. Just change smccc bus to
> > be able to break up the multi-function SMC into several devices.
> 
> I think my explaination was poor. Apologise...
> I'm not saying another bus making but just wrapper of smccc-bus APIs
> for firme specific and definietly, this would separate the
> multi-function SMC to defien each firme device (attestation and IDE).

I don't see that kind of complexity is necessary.. I think it is
better to just have the root smcc bus spawn them 

> But, the *base* is common. and I couldn't find any proper location to
> deploy *common* code unless making arm_firme.

What common code excatly?

There shouldn't be? Getting an attestation is entirely orthogonal to
set link ide, for example?

If you can identify what you think would ever be common that might
help clarifgy what to do..

Jason