[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/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
index cb6f084..bdb475c 100644
--- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
+++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
@@ -61,8 +61,7 @@
 extern int tsi108_setup_pci(struct device_node *dev);
 extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
 extern void tsi108_pci_int_init(void);
-extern void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc,
-			    struct pt_regs *regs);
+extern void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc);
 
 int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn)
 {
@@ -200,7 +199,7 @@
 	tsi_pic = of_find_node_by_type(NULL, "open-pic");
 	if (tsi_pic) {
 		unsigned int size;
-		void *prop = get_property(tsi_pic, "reg", &size);
+		const void *prop = get_property(tsi_pic, "reg", &size);
 		mpic_paddr = of_translate_address(tsi_pic, prop);
 	}