-extern unsigned long q40_gettimeoffset(void);
-extern int q40_hwclk(int, struct rtc_time *);
-extern unsigned int q40_get_ss(void);
-extern int q40_set_clock_mmss(unsigned long);
+static unsigned long q40_gettimeoffset(void);
+static int q40_hwclk(int, struct rtc_time *);
+static unsigned int q40_get_ss(void);
+static int q40_set_clock_mmss(unsigned long);