[RFC PATCH v3 01/12] firmware: arm_scmi, smccc, mailbox: Make shmem based transports optional

Cristian Marussi cristian.marussi at arm.com
Mon Jun 21 02:01:26 PDT 2021


Hi,

On Mon, Jun 21, 2021 at 09:54:31AM +0100, Sudeep Holla wrote:
> On Sun, Jun 20, 2021 at 11:09:21PM -0500, Jassi Brar wrote:
> > On Mon, May 10, 2021 at 7:22 PM Peter Hilber
> > <peter.hilber at opensynergy.com> wrote:
> > 
> > .....
> > 
> > > --- a/drivers/mailbox/Kconfig
> > > +++ b/drivers/mailbox/Kconfig
> > > @@ -1,6 +1,7 @@
> > >  # SPDX-License-Identifier: GPL-2.0-only
> > >  menuconfig MAILBOX
> > >         bool "Mailbox Hardware Support"
> > > +       select ARM_SCMI_HAVE_SHMEM
> > >         help
> > >           Mailbox is a framework to control hardware communication between
> > >           on-chip processors through queued messages and interrupt driven
> > >
> > Isn't this too generic?
> > Not all platforms, with a mailbox controller, use SCMI as the protocol.
> >
> 
> Yikes! I agree Jassi, this looks super hack.
> 

Yes indeed, I have still to rework this part of the series.

(@Jassi: I'm reworking this series starting from the work done by Peter up to
V3, since it needed some core SCMI transport rework to ease implememtation of
virtio-scmi transport)

Thanks,
Cristian

> -- 
> Regards,
> Sudeep



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