[PATCH 01/11] firmware: arm_scmi: review protocol registration interface

Sudeep Holla sudeep.holla at arm.com
Wed Oct 14 16:20:00 EDT 2020


On Wed, Oct 14, 2020 at 12:03:45PM -0700, Florian Fainelli wrote:
> On 10/14/20 8:05 AM, Cristian Marussi wrote:
> > Extend common protocol registration routines and provide some new generic
> > protocols' init/deinit helpers that tracks protocols' users and automatically
> > perform the proper initialization/de-initialization on demand.
> > 
> > Convert all protocols to use new registration schema while modifying only Base
> > protocol to use also the new initialization helpers.
> > 
> > All other standard protocols' initialization is still umodified and bound to
> > SCMI devices probing.
> > 
> > Signed-off-by: Cristian Marussi <cristian.marussi at arm.com>
> > ---
> 

[...]

> 
> > +	struct scmi_protocol_instance *protocols[SCMI_MAX_PROTO];
> 
> Humm that would be 2048 bytes on a 64-bit platform and 1024 bytes on a
> 32-bit platform, this is not so bad, but it is a bit wasteful given that
> 6-7 standard protocols are typically found, and most often no
> proprietary protocols are registered. Not necessarily to be addressed
> right now.
>

Thanks for looking at these patches so quickly, much appreciated.

I haven't looked at this series in detail yet. But this is something that
caught my attention too when I glanced at these patches. I mentioned the
same to Cristian. Indeed we can address that separately, we have even this
for notification, we need to see if we can put all such info in a container
structure and then use hashtable or idr.

--
Regards,
Sudeep



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