[PATCH 3/9] soc: google: Add CPM over MailBox Array driver

[Brian Norris]

On Wed, Oct 28, 2026 at 02:27:05PM +0100, Krzysztof Kozlowski wrote:
> On Mon, Oct 26, 2026 at 02:43:41PM -0700, Brian Norris wrote:
> > --- /dev/null
> > +++ b/drivers/soc/google/Kconfig
> > @@ -0,0 +1,13 @@
> > +# SPDX-License-Identifier: GPL-2.0-only
> > +
> > +config GOOGLE_CPM_MBA
> > +	tristate "Google Tensor CPM MailBox Array Interface"
> > +	depends on ARCH_GOOGLE || COMPILE_TEST
> > +	depends on MAILBOX
> 
> Can it be compile tested without mailbox?

I don't think so. mbox_request_channel() and friends do not have stub
implementations for the non-CONFIG_MAILBOX case.

Brian