[PATCH] alpha pt_regs cleanups: handle_irq()

isa_no_iack_sc_device_interrupt() always gets get_irq_regs() as
argument; kill that argument.

All but two callers of handle_irq() pass get_irq_regs() as argument;
convert the remaining two, kill set_irq_regs() inside handle_irq().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/alpha/kernel/irq_impl.h b/arch/alpha/kernel/irq_impl.h
index 5d84dbd..cc9a8a7 100644
--- a/arch/alpha/kernel/irq_impl.h
+++ b/arch/alpha/kernel/irq_impl.h
@@ -16,7 +16,7 @@
 #define RTC_IRQ    8
 
 extern void isa_device_interrupt(unsigned long);
-extern void isa_no_iack_sc_device_interrupt(unsigned long, struct pt_regs *);
+extern void isa_no_iack_sc_device_interrupt(unsigned long);
 extern void srm_device_interrupt(unsigned long);
 extern void pyxis_device_interrupt(unsigned long);
 
@@ -39,4 +39,4 @@
 extern struct hw_interrupt_type i8259a_irq_type;
 extern void init_i8259a_irqs(void);
 
-extern void handle_irq(int irq, struct pt_regs * regs);
+extern void handle_irq(int irq);