[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/sys_rx164.c b/arch/alpha/kernel/sys_rx164.c
index fa8eef8..ce1faa6 100644
--- a/arch/alpha/kernel/sys_rx164.c
+++ b/arch/alpha/kernel/sys_rx164.c
@@ -102,9 +102,9 @@
 		i = ffz(~pld);
 		pld &= pld - 1; /* clear least bit set */
 		if (i == 20) {
-			isa_no_iack_sc_device_interrupt(vector, get_irq_regs());
+			isa_no_iack_sc_device_interrupt(vector);
 		} else {
-			handle_irq(16+i, get_irq_regs());
+			handle_irq(16+i);
 		}
 	}
 }