[PATCH 4/5] firmware: arm_scmi: smc transport supports multi-message pool

Sudeep Holla sudeep.holla at arm.com
Thu Oct 8 17:11:16 EDT 2020


On Thu, Oct 08, 2020 at 04:37:21PM +0200, Etienne Carriere wrote:
> There is no reason for the smc transport to restrict itself to a 1
> message pool. More can be allocated, messages are copied from/to the
> shared memory only on SMC exit/entry hence SCMI driver can play with
> several messages.
> 
> Use value of 20 to mimic mailbox transport implementation.

What is the need to mimic ?

> Any high value could fit. This should be something configurable.

Why not 10 or 100 ? I see any value other than 1 is useless as we lock
the channel in send_message and we don't maintain a queue like mailbox.

-- 
Regards,
Sudeep



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