Re: [PATCH] mailbox: pcc: export the PCC subspace type

[lihuisong (C)]

在 2023/9/15 0:13, Sudeep Holla 写道:
> On Thu, Sep 14, 2023 at 07:57:53PM +0800, Huisong Li wrote:
> > As stated in APCI spec, the size of the subspace shared memory region may
> > be different for different types. So it is useful for driver to fill PCC
> > communication space. But the driver used this PCC channel doesn't know what
> > is the subspace type of the channel.
> >
> > So export the PCC subspace type by requesting PCC channel.
> I would prefer to avoid this, but please post it with user to get better
> understanding of it.
Hi Sudeep,

Thanks for your fast review.
Sorry, I cannot fully understand what you mean. What should I do for it?
Currently, it seems that the subspace type in all drivers used PCC is 
fixed and not obtained from their platform.
IMO, PCCT is a best natural way to export it.

/Huisong