Commit c68d07b2 authored Jul 23, 2008 by Carlos R. Mafra Committed by Linus Torvalds Jul 24, 2008

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: Carlos R. Mafra <crmafra@ift.unesp.br>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 02bb584f

drivers/char/rtc.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -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

		/*

drivers/rtc/rtc-cmos.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -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 {