On 18:36 Tue 02 Oct , Arnd Bergmann wrote: > On NOMMU systems, we do cannot remap the MMIO space, so the > definition of at91_io_desc is unused. > > Without this patch, building at91x40_defconfig results in: > > arch/arm/mach-at91/setup.c:90:24: warning: 'at91_io_desc' defined but not > used [-Wunused-variable] I prefer a __maybe_unused on the struct so the compilator will just drop it
Best Regards, J. > > Signed-off-by: Arnd Bergmann <[email protected]> > Cc: Nicolas Ferre <[email protected]> > Cc: Jean-Christophe Plagniol-Villard <[email protected]> > --- > arch/arm/mach-at91/setup.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c > index 944bffb..b9fdba0 100644 > --- a/arch/arm/mach-at91/setup.c > +++ b/arch/arm/mach-at91/setup.c > @@ -87,12 +87,14 @@ void __init at91_init_sram(int bank, unsigned long base, > unsigned int length) > iotable_init(desc, 1); > } > > +#ifdef CONFIG_MMU > static struct map_desc at91_io_desc __initdata = { > .virtual = AT91_VA_BASE_SYS, > .pfn = __phys_to_pfn(AT91_BASE_SYS), > .length = SZ_16K, > .type = MT_DEVICE, > }; > +#endif > > static void __init soc_detect(u32 dbgu_base) > { > -- > 1.7.10 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
