[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_dp264.c b/arch/alpha/kernel/sys_dp264.c
index 57dce00..85d2f93 100644
--- a/arch/alpha/kernel/sys_dp264.c
+++ b/arch/alpha/kernel/sys_dp264.c
@@ -238,7 +238,7 @@
 		if (i == 55)
 			isa_device_interrupt(vector);
 		else
-			handle_irq(16 + i, get_irq_regs());
+			handle_irq(16 + i);
 #if 0
 		TSUNAMI_cchip->dir0.csr = 1UL << i; mb();
 		tmp = TSUNAMI_cchip->dir0.csr;
@@ -268,7 +268,7 @@
 	if (irq >= 32)
 		irq -= 16;
 
-	handle_irq(irq, get_irq_regs());
+	handle_irq(irq);
 }
 
 static void 
@@ -290,7 +290,7 @@
 	 *
 	 * Eg IRQ 24 is DRIR bit 8, etc, etc
 	 */
-	handle_irq(irq, get_irq_regs());
+	handle_irq(irq);
 }
 
 static void __init