[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_rx164.c b/arch/alpha/kernel/sys_rx164.c
index 6ae50605..fa8eef8 100644
--- a/arch/alpha/kernel/sys_rx164.c
+++ b/arch/alpha/kernel/sys_rx164.c
@@ -83,7 +83,7 @@
 };
 
 static void 
-rx164_device_interrupt(unsigned long vector, struct pt_regs *regs)
+rx164_device_interrupt(unsigned long vector)
 {
 	unsigned long pld;
 	volatile unsigned int *dirr;
@@ -102,9 +102,9 @@
 		i = ffz(~pld);
 		pld &= pld - 1; /* clear least bit set */
 		if (i == 20) {
-			isa_no_iack_sc_device_interrupt(vector, regs);
+			isa_no_iack_sc_device_interrupt(vector, get_irq_regs());
 		} else {
-			handle_irq(16+i, regs);
+			handle_irq(16+i, get_irq_regs());
 		}
 	}
 }