Hi Pranith, On Tue, Sep 2, 2014 at 4:39 PM, Pranith Kumar <bobby.pr...@gmail.com> wrote: > Fix a sh4-randconfig build failure which has the following splat: > > arch/sh/mm/cache-sh4.c:99:17: error: 'cached_to_uncached' undeclared (first > use in this function) > arch/sh/mm/cache-sh4.c:192:2: error: implicit declaration of function > 'cpu_context' [-Werror=implicit-function-declaration] > > These errors are caused by missing dependencies on UNCACHED_MAPPING and MMU. > > Reported-by: Geert Uytterhoeven <ge...@linux-m68k.org> > Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com> > --- > arch/sh/Kconfig | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig > index 244fb4c..619d5eb 100644 > --- a/arch/sh/Kconfig > +++ b/arch/sh/Kconfig > @@ -194,6 +194,8 @@ config CPU_SH4 > select SH_INTC > select SYS_SUPPORTS_SH_TMU > select SYS_SUPPORTS_HUGETLBFS if MMU > + select UNCACHED_MAPPING > + select MMU
Selecting MMU is never the correct solution, as it's a platform feature. Making something depend on MMU is something different, but I doubt SH4 can only work with a MMU, cfr. the "if MMU" in the line above. Back to the drawing board... Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/