[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-versatile/core.c b/arch/arm/mach-versatile/core.c
index 3b85761..dcc2ca3 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -77,7 +77,7 @@
 };
 
 static void
-sic_handle_irq(unsigned int irq, struct irqdesc *desc)
+sic_handle_irq(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned long status = readl(VA_SIC_BASE + SIC_IRQ_STATUS);
 
@@ -123,7 +123,7 @@
 	for (i = IRQ_SIC_START; i <= IRQ_SIC_END; i++) {
 		if ((PIC_MASK & (1 << (i - IRQ_SIC_START))) == 0) {
 			set_irq_chip(i, &sic_chip);
-			set_irq_handler(i, do_level_IRQ);
+			set_irq_handler(i, handle_level_irq);
 			set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
 		}
 	}