On Tue, Jul 24, 2018 at 09:45:14AM -0400, Alexei Colin wrote: > ARM64 SoCs with a PCI bus present the RapiodIO options; SoCs with > RapidIO IP blocks but without a PCI bus, need to select HAS_RAPIDIO in > Kconfig.platforms. > > HAS_RAPIDIO was chosen over HAVE_RAPIDIO to be consistent with > other architectures which already define this flag (powerpc). > > Signed-off-by: Alexei Colin <aco...@isi.edu> > --- > > Tested that kernel builds with RapidIO subsystem and switch drivers and that > modules insert successfully in a custom Qemu hardware model. > Maintainers for RapidIO subsystem CCed. > Similar patch for ARM has been submitted. > > arch/arm64/Kconfig | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 42c090cf0292..8dceaa5b674c 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -293,6 +293,22 @@ config PCI_SYSCALL > > source "drivers/pci/Kconfig" > > +config HAS_RAPIDIO > + bool > + default n > + > +config RAPIDIO > + tristate "RapidIO support" > + depends on HAS_RAPIDIO || PCI > + help > + This feature enables support for RapidIO high-performance > + packet-switched interconnect. > + > + If you say Y here, the kernel will include drivers and > + infrastructure code to support RapidIO interconnect devices.
It feels a bit weird to push this help text into the arch Kconfig files, rather than just have them provide the HAS_RAPIDIO symbol, but if that's what everybody else is doing then I guess it's fine. Will
