[ARM] Remove compatibility layer for ARM irqs

set_irq_chipdata -> set_irq_chip_data
get_irq_chipdata -> get_irq_chip_data
do_level_IRQ -> handle_level_irq
do_edge_IRQ -> handle_edge_irq
do_simple_IRQ -> handle_simple_irq
irqdesc -> irq_desc
irqchip -> irq_chip

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-s3c2410/s3c244x-irq.c b/arch/arm/mach-s3c2410/s3c244x-irq.c
index 146f210..ede9463 100644
--- a/arch/arm/mach-s3c2410/s3c244x-irq.c
+++ b/arch/arm/mach-s3c2410/s3c244x-irq.c
@@ -42,10 +42,10 @@
 /* camera irq */
 
 static void s3c_irq_demux_cam(unsigned int irq,
-			      struct irqdesc *desc)
+			      struct irq_desc *desc)
 {
 	unsigned int subsrc, submsk;
-	struct irqdesc *mydesc;
+	struct irq_desc *mydesc;
 
 	/* read the current pending interrupts, and the mask
 	 * for what it is available */
@@ -89,7 +89,7 @@
 	s3c_irqsub_maskack(irqno, INTMSK_CAM, 3<<11);
 }
 
-static struct irqchip s3c_irq_cam = {
+static struct irq_chip s3c_irq_cam = {
 	.mask	    = s3c_irq_cam_mask,
 	.unmask	    = s3c_irq_cam_unmask,
 	.ack	    = s3c_irq_cam_ack,
@@ -100,18 +100,18 @@
 	unsigned int irqno;
 
 	set_irq_chip(IRQ_NFCON, &s3c_irq_level_chip);
-	set_irq_handler(IRQ_NFCON, do_level_IRQ);
+	set_irq_handler(IRQ_NFCON, handle_level_irq);
 	set_irq_flags(IRQ_NFCON, IRQF_VALID);
 
 	/* add chained handler for camera */
 
 	set_irq_chip(IRQ_CAM, &s3c_irq_level_chip);
-	set_irq_handler(IRQ_CAM, do_level_IRQ);
+	set_irq_handler(IRQ_CAM, handle_level_irq);
 	set_irq_chained_handler(IRQ_CAM, s3c_irq_demux_cam);
 
 	for (irqno = IRQ_S3C2440_CAM_C; irqno <= IRQ_S3C2440_CAM_P; irqno++) {
 		set_irq_chip(irqno, &s3c_irq_cam);
-		set_irq_handler(irqno, do_level_IRQ);
+		set_irq_handler(irqno, handle_level_irq);
 		set_irq_flags(irqno, IRQF_VALID);
 	}