On Wed, Apr 19, 2017 at 07:37:09PM +0200, Arnd Bergmann wrote:
> In some rare randconfig builds, we end up with two functions being entirely
> unused:
>
> drivers/clocksource/arm_arch_timer.c:342:12: error:
> 'erratum_set_next_event_tval_phys' defined but not used
> [-Werror=unused-function]
> static int erratum_set_next_event_tval_phys(unsigned long evt,
> drivers/clocksource/arm_arch_timer.c:335:12: error:
> 'erratum_set_next_event_tval_virt' defined but not used
> [-Werror=unused-function]
> static int erratum_set_next_event_tval_virt(unsigned long evt,
>
> We could add an #ifdef around them, but we would already have to check for
> several symbols there and there is a chance this would get more complicated
> over time, so marking them as __maybe_unused is the simplest way to avoid the
> harmless warnings.
>
> Fixes: 01d3e3ff2608 ("arm64: arch_timer: Rework the set_next_event
> workarounds")
> Signed-off-by: Arnd Bergmann <[email protected]>
> ---
Acked-by: Daniel Lezcano <[email protected]>