[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-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index ab1a160..f815678 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -143,7 +143,7 @@
  * Demux handler for GPIO>=2 edge detect interrupts
  */
 
-static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc)
+static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned int mask;
 	int loop;
@@ -286,27 +286,27 @@
 
 	for (irq = PXA_IRQ(PXA_IRQ_SKIP); irq <= PXA_IRQ(31); irq++) {
 		set_irq_chip(irq, &pxa_internal_chip_low);
-		set_irq_handler(irq, do_level_IRQ);
+		set_irq_handler(irq, handle_level_irq);
 		set_irq_flags(irq, IRQF_VALID);
 	}
 
 #if PXA_INTERNAL_IRQS > 32
 	for (irq = PXA_IRQ(32); irq < PXA_IRQ(PXA_INTERNAL_IRQS); irq++) {
 		set_irq_chip(irq, &pxa_internal_chip_high);
-		set_irq_handler(irq, do_level_IRQ);
+		set_irq_handler(irq, handle_level_irq);
 		set_irq_flags(irq, IRQF_VALID);
 	}
 #endif
 
 	for (irq = IRQ_GPIO0; irq <= IRQ_GPIO1; irq++) {
 		set_irq_chip(irq, &pxa_low_gpio_chip);
-		set_irq_handler(irq, do_edge_IRQ);
+		set_irq_handler(irq, handle_edge_irq);
 		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 	}
 
 	for (irq = IRQ_GPIO(2); irq <= IRQ_GPIO(PXA_LAST_GPIO); irq++) {
 		set_irq_chip(irq, &pxa_muxed_gpio_chip);
-		set_irq_handler(irq, do_edge_IRQ);
+		set_irq_handler(irq, handle_edge_irq);
 		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 	}