[SPARC] minor irq handler cleanups

- mark timer_interrupt() static

- sparc_floppy_request_irq() prototype should use irq_handler_t

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index cfaf22c..53caacb 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -105,7 +105,7 @@
 
 #define TICK_SIZE (tick_nsec / 1000)
 
-irqreturn_t timer_interrupt(int irq, void *dev_id)
+static irqreturn_t timer_interrupt(int dummy, void *dev_id)
 {
 	/* last time the cmos clock got updated */
 	static long last_rtc_update;