3 files changed, 4 insertions, 4 deletions
diff --git a/src/lpc/ao_arch_funcs.h b/src/lpc/ao_arch_funcs.h
index a5c78c33..345108ae 100644
--- a/src/lpc/ao_arch_funcs.h
+++ b/src/lpc/ao_arch_funcs.h
@@ -101,7 +101,7 @@ ao_arch_irqrestore(uint32_t primask) {
 }
 
 static inline void
-ao_arch_memory_barrier() {
+ao_arch_memory_barrier(void) {
 	asm volatile("" ::: "memory");
 }
 
diff --git a/src/lpc/ao_exti.h b/src/lpc/ao_exti.h
index 75f2cf5f..226979bc 100644
--- a/src/lpc/ao_exti.h
+++ b/src/lpc/ao_exti.h
@@ -29,13 +29,13 @@
 #define AO_EXTI_PIN_NOCONFIGURE	64
 
 void
-ao_exti_setup(uint8_t gpio, uint8_t pin, uint8_t mode, void (*callback)());
+ao_exti_setup(uint8_t gpio, uint8_t pin, uint8_t mode, void (*callback)(void));
 
 void
 ao_exti_set_mode(uint8_t gpio, uint8_t pin, uint8_t mode);
 
 void
-ao_exti_set_callback(uint8_t gpio, uint8_t pin, void (*callback)());
+ao_exti_set_callback(uint8_t gpio, uint8_t pin, void (*callback)(void));
 
 void
 ao_exti_enable(uint8_t gpio, uint8_t pin);
diff --git a/src/lpc/ao_exti_lpc.c b/src/lpc/ao_exti_lpc.c
index 193f4547..12016072 100644
--- a/src/lpc/ao_exti_lpc.c
+++ b/src/lpc/ao_exti_lpc.c
@@ -140,7 +140,7 @@ ao_exti_set_mode(uint8_t port, uint8_t pin, uint8_t mode)
 }
 
 void
-ao_exti_set_callback(uint8_t port, uint8_t pin, void (*callback)()) {
+ao_exti_set_callback(uint8_t port, uint8_t pin, void (*callback)(void)) {
 	uint8_t		id = pin_id(port,pin);
 	uint8_t		pint = ao_pint_map[id];