From: Andrew Morton drivers/char/rtc.c:116: warning: 'hpet_rtc_interrupt' defined but not used Cc: Jan Beulich Signed-off-by: Andrew Morton --- drivers/char/rtc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff -puN drivers/char/rtc.c~rtc-warning-fix drivers/char/rtc.c --- a/drivers/char/rtc.c~rtc-warning-fix +++ a/drivers/char/rtc.c @@ -113,7 +113,12 @@ static int rtc_has_irq = 1; #define hpet_set_rtc_irq_bit(arg) 0 #define hpet_rtc_timer_init() do { } while (0) #define hpet_rtc_dropped_irq() 0 -static irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) {return 0;} +#ifdef RTC_IRQ +static irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) +{ + return 0; +} +#endif #else extern irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id); #endif _