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SubjectRe: [PATCH] firmware: arm_scmi: Make scmi core independent of transport type
On Fri, Nov 29, 2019 at 3:32 AM Viresh Kumar <viresh.kumar@linaro.org> wrote:
>
> The SCMI specification is fairly independent of the transport protocol,
> which can be a simple mailbox (already implemented) or anything else.
> The current Linux implementation however is very much dependent of the
> mailbox transport layer.
>
> This patch makes the SCMI core code (driver.c) independent of the
> mailbox transport layer and moves all mailbox related code to a new
> file: mailbox.c.
>
> We can now implement more transport protocols to transport SCMI
> messages.
>
> The transport protocols just need to provide struct scmi_transport_ops,
> with its version of the callbacks to enable exchange of SCMI messages.
>
We can either add new transport layer between SCMI and Mailbox layers,
or we can write new transport as a mailbox driver (which I always
thought could be a usecase). Right now I am of no strong opinion
either way. Depends, what other transport do you have in mind?

Cheers!

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