diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mm.c b/arch/arm/mach-imx/imx8m/clock_imx8mm.c
index a0c9d48488751b1c60241f189de25063bdaffb9e..a7fd8f8b726f23b3b66737ed74c957eccfcf4ce4 100644
--- a/arch/arm/mach-imx/imx8m/clock_imx8mm.c
+++ b/arch/arm/mach-imx/imx8m/clock_imx8mm.c
@@ -576,7 +576,7 @@ void enable_display_clk(unsigned char enable)
 	}
 }
 
-int clock_init()
+int clock_init(void)
 {
 	uint32_t val_cfg0;
 
@@ -697,7 +697,7 @@ int clock_init()
 
 	enable_display_clk(1);
 	return 0;
-};
+}
 #endif
 
 void mxs_set_lcdclk(uint32_t base_addr, uint32_t freq)