[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/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 1952155..ba4833f 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1217,7 +1217,7 @@
 		       mpic_physmask(cpu_mask & cpus_addr(cpu_online_map)[0]));
 }
 
-unsigned int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs)
+unsigned int mpic_get_one_irq(struct mpic *mpic)
 {
 	u32 src;
 
@@ -1230,13 +1230,13 @@
 	return irq_linear_revmap(mpic->irqhost, src);
 }
 
-unsigned int mpic_get_irq(struct pt_regs *regs)
+unsigned int mpic_get_irq(void)
 {
 	struct mpic *mpic = mpic_primary;
 
 	BUG_ON(mpic == NULL);
 
-	return mpic_get_one_irq(mpic, regs);
+	return mpic_get_one_irq(mpic);
 }