From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.lezcano@linaro.org (Daniel Lezcano) Date: Wed, 19 Apr 2017 20:12:43 +0200 Subject: [PATCH] arm64: arch_timer: mark errata handlers as __maybe_unused In-Reply-To: <20170419173737.3846098-1-arnd@arndb.de> References: <20170419173737.3846098-1-arnd@arndb.de> Message-ID: <20170419181243.GA2523@mai> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > --- Acked-by: Daniel Lezcano