Commit c68d07b2 authored by Carlos R. Mafra's avatar Carlos R. Mafra Committed by Linus Torvalds

rtc: remove and clarify unneeded externs

When CONFIG_HPET_EMULATE_RTC is defined the external declaration of
hpet_rtc_interrupt is redundant due to the inclusion of hpet.h.

When !CONFIG_HPET_EMULATE_RTC we make it clear that hpet_rtc_interrupt is
not used by defining it to return zero.
Signed-off-by: default avatarCarlos R. Mafra <crmafra@ift.unesp.br>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 02bb584f
......@@ -121,8 +121,6 @@ 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
/*
......
......@@ -52,7 +52,10 @@
#define hpet_rtc_timer_init() do { } while (0)
#define hpet_register_irq_handler(h) 0
#define hpet_unregister_irq_handler(h) do { } while (0)
extern irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id);
static irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id)
{
return 0;
}
#endif
struct cmos_rtc {
......
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