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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 <> 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?


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