diff --git a/include/drivers/st/stm32mp_clkfunc.h b/include/drivers/st/stm32mp_clkfunc.h
index 0769167..0902f44 100644
--- a/include/drivers/st/stm32mp_clkfunc.h
+++ b/include/drivers/st/stm32mp_clkfunc.h
@@ -21,8 +21,8 @@
 
 int fdt_get_rcc_node(void *fdt);
 uint32_t fdt_rcc_read_addr(void);
-int fdt_rcc_read_uint32_array(const char *prop_name,
-			      uint32_t *array, uint32_t count);
+int fdt_rcc_read_uint32_array(const char *prop_name, uint32_t count,
+			      uint32_t *array);
 int fdt_rcc_subnode_offset(const char *name);
 const fdt32_t *fdt_rcc_read_prop(const char *prop_name, int *lenp);
 bool fdt_get_rcc_secure_status(void);