powerpc: Convert to new irq_* function names

Scripted with coccinelle.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index f4bf8a9..6c1e638 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -471,7 +471,7 @@
 	irq_radix_revmap_insert(xics_host, virq, hw);
 
 	irq_set_status_flags(virq, IRQ_LEVEL);
-	set_irq_chip_and_handler(virq, xics_irq_chip, handle_fasteoi_irq);
+	irq_set_chip_and_handler(virq, xics_irq_chip, handle_fasteoi_irq);
 	return 0;
 }
 
@@ -600,7 +600,7 @@
 	 * IPIs are marked IRQF_DISABLED as they must run with irqs
 	 * disabled
 	 */
-	set_irq_handler(ipi, handle_percpu_irq);
+	irq_set_handler(ipi, handle_percpu_irq);
 	if (firmware_has_feature(FW_FEATURE_LPAR))
 		rc = request_irq(ipi, xics_ipi_action_lpar,
 				IRQF_DISABLED|IRQF_PERCPU, "IPI", NULL);
@@ -912,7 +912,7 @@
 		if (desc == NULL || desc->action == NULL)
 			continue;
 
-		chip = get_irq_desc_chip(desc);
+		chip = irq_desc_get_chip(desc);
 		if (chip == NULL || chip->irq_set_affinity == NULL)
 			continue;