[PATCH] alpha pt_regs cleanups: device_interrupt

callers of ->device_interrupt() do set_irq_regs() now; pt_regs argument
removed, remaining uses of regs in instances of ->device_interrupt()
are switched to get_irq_regs() and will be gone in the next patch.

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_mikasa.c b/arch/alpha/kernel/sys_mikasa.c
index cc4c581..5429ba0 100644
--- a/arch/alpha/kernel/sys_mikasa.c
+++ b/arch/alpha/kernel/sys_mikasa.c
@@ -79,7 +79,7 @@
 };
 
 static void 
-mikasa_device_interrupt(unsigned long vector, struct pt_regs *regs)
+mikasa_device_interrupt(unsigned long vector)
 {
 	unsigned long pld;
 	unsigned int i;
@@ -97,9 +97,9 @@
 		i = ffz(~pld);
 		pld &= pld - 1; /* clear least bit set */
 		if (i < 16) {
-			isa_device_interrupt(vector, regs);
+			isa_device_interrupt(vector);
 		} else {
-			handle_irq(i, regs);
+			handle_irq(i, get_irq_regs());
 		}
 	}
 }