On 15:43-20241014, Arnd Bergmann wrote:
> On Mon, Oct 14, 2024, at 14:56, Andrew Davis wrote:
> > On 10/7/24 8:23 AM, Arnd Bergmann wrote:
> >> config TI_K3_M4_REMOTEPROC
> >> tristate "TI K3 M4 remoteproc support"
> >> - depends on ARCH_OMAP2PLUS || ARCH_K3
> >> - select MAILBOX
> >> - select OMAP2PLUS_MBOX
> >> + depends on ARCH_K3 || COMPILE_TEST
> >> + depends on TI_SCI_PROTOCOL || (COMPILE_TEST && TI_SCI_PROTOCOL=n)
> >
> > This line is odd. IMHO "COMPILE_TEST" should only be added to ARCH_*
> > dependencies, as often only one ARCH can be selected which prevents
> > compile testing drivers with various multiple architecture deps in
> > one compile test.
>
> I generally agree, but the TI_SCI_PROTOCOL interface
> definitions that were added in aa276781a64a ("firmware: Add basic
> support for TI System Control Interface (TI-SCI) protocol")
> appear to explicitly support the case of compile-testing.
>
> See also 13678f3feb30 ("reset: ti-sci: honor TI_SCI_PROTOCOL
> setting when not COMPILE_TEST").
>
> > Normal dependencies, on the other hand, can simply be enabled if one
> > wants to compile test its dependent drivers. In this case, TI_SCI_PROTOCOL
> > cannot be enabled as it has a dependency up the chain that doesn't
> > allow selecting when not on a TI platform. We can fix that as I posted
> > here[0]. With that fix in, this line can be simply become:
> >
> > depends on TI_SCI_PROTOCOL
>
> That's certainly fine with me, but if we do this, I would suggest
> also removing the stub functions from
> include/linux/soc/ti/ti_sci_protocol.h, and the dependency in the
> reset driver.
>
> Adding Nishanth Menon to Cc, to see if he has a preference.
>
> Arnd
While I am OK to do the cleanups and make the drivers independent,
I am also looking to make TISCI stuff independent and be a module
itself. So, dropping the stubs will probably get in the way as we move
ahead with those plans.
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
