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-rw-r--r--include/linux/iio/timer/stm32-timer-trigger.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/iio/timer/stm32-timer-trigger.h b/include/linux/iio/timer/stm32-timer-trigger.h
index d68add80ab86..cbb7c7ae6c0c 100644
--- a/include/linux/iio/timer/stm32-timer-trigger.h
+++ b/include/linux/iio/timer/stm32-timer-trigger.h
@@ -73,6 +73,15 @@
#define TIM17_OC1 "tim17_oc1"
+#if IS_REACHABLE(CONFIG_IIO_STM32_TIMER_TRIGGER)
bool is_stm32_timer_trigger(struct iio_trigger *trig);
-
+#else
+static inline bool is_stm32_timer_trigger(struct iio_trigger *trig)
+{
+#if IS_ENABLED(CONFIG_IIO_STM32_TIMER_TRIGGER)
+ pr_warn_once("stm32-timer-trigger not linked in\n");
+#endif
+ return false;
+}
+#endif
#endif