On Wed, 11 Jul 2018 13:27:53 +0200
Arnd Bergmann <a...@arndb.de> wrote:
> On Wed, Jul 11, 2018 at 1:16 PM, Boris Brezillon
> <boris.brezil...@bootlin.com> wrote:
> > On Mon, 9 Jul 2018 22:09:25 +0200
> > Boris Brezillon <boris.brezil...@bootlin.com> wrote:
> >
> >> It just makes NAND maintainers' life easier by allowing them to
> >> compile-test this driver without having ARCH_S3C24XX or ARCH_S3C64XX
> >> enabled.
> >>
> >> We add a dependency on HAS_IOMEM to make sure the driver compiles
> >> correctly, and a dependency on !IA64 because the {read,write}s{bwl}()
> >> accessors are not defined for this architecture.
> >
> > I see that SPARC does not define those accessors either. So I guess we
> > should add depends on !SPARC.
> >
> > Arnd, any other way to know when the platform implements
> > {read,write}s{bwl}() accessors?
>
> I'd just consider that a bug, and send a patch to fix sparc64 if it's broken.
> sparc32 appears to have these, and when Thierry sent the patch
> to implement them everywhere[1], he said that he tested sparc64 as
> well, so either something regressed since then, or his testing
> was incomplete. Either way, the correct answer IMHO would be to
> make it work rather than to add infrastructure around the broken
> configurations.
I guess the same goes for IA64 then.
