[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_takara.c b/arch/alpha/kernel/sys_takara.c
index ce2d3b0..9bd9a31 100644
--- a/arch/alpha/kernel/sys_takara.c
+++ b/arch/alpha/kernel/sys_takara.c
@@ -112,10 +112,10 @@
 		 * despatch an interrupt if it's set.
 		 */
 
-		if (intstatus & 8) handle_irq(16+3, get_irq_regs());
-		if (intstatus & 4) handle_irq(16+2, get_irq_regs());
-		if (intstatus & 2) handle_irq(16+1, get_irq_regs());
-		if (intstatus & 1) handle_irq(16+0, get_irq_regs());
+		if (intstatus & 8) handle_irq(16+3);
+		if (intstatus & 4) handle_irq(16+2);
+		if (intstatus & 2) handle_irq(16+1);
+		if (intstatus & 1) handle_irq(16+0);
 	} else {
 		isa_device_interrupt (vector);
 	}
@@ -125,7 +125,7 @@
 takara_srm_device_interrupt(unsigned long vector)
 {
 	int irq = (vector - 0x800) >> 4;
-	handle_irq(irq, get_irq_regs());
+	handle_irq(irq);
 }
 
 static void __init