[POWERPC] Fix up after irq changes

Remove struct pt_regs * from all handlers.
Also remove the regs argument from get_irq() functions.
Compile tested with arch/powerpc/config/* and
arch/ppc/configs/prep_defconfig

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 35cd7a5..cae3d13 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -70,7 +70,7 @@
  * has to include <linux/interrupt.h> (to get irqreturn_t), which
  * causes all sorts of problems.  -- paulus
  */
-extern irqreturn_t xmon_irq(int, void *, struct pt_regs *);
+extern irqreturn_t xmon_irq(int, void *);
 
 extern unsigned long loops_per_jiffy;
 
@@ -335,10 +335,9 @@
 		  jiffies + event_scan_interval);
 }
 
-static void chrp_8259_cascade(unsigned int irq, struct irq_desc *desc,
-			      struct pt_regs *regs)
+static void chrp_8259_cascade(unsigned int irq, struct irq_desc *desc)
 {
-	unsigned int cascade_irq = i8259_irq(regs);
+	unsigned int cascade_irq = i8259_irq();
 	if (cascade_irq != NO_IRQ)
 		generic_handle_irq(cascade_irq);
 	desc->chip->eoi(irq);