Remove compiler warnings

[z180-stamp.git] / include / spi.h

diff --git a/include/spi.h b/include/spi.h
index 463847631113142a6e5d2b512d31e6a7ec50f37a..9dac375f1e4b07d1587591d745415461a64151f7 100644 (file)
--- a/include/spi.h
+++ b/include/spi.h
@@ -32,7 +32,7 @@
 
 #define SPI_OFF()                              do { SPCR = 0; } while(0)
 
-static inline __attribute__((always_inline)) void spi_wait() {
+static inline __attribute__((always_inline)) void spi_wait(void) {
        loop_until_bit_is_set(SPSR,SPIF);
 }