[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-at91rm9200/irq.c b/arch/arm/mach-at91rm9200/irq.c
index 3e48811..cab0de9 100644
--- a/arch/arm/mach-at91rm9200/irq.c
+++ b/arch/arm/mach-at91rm9200/irq.c
@@ -139,7 +139,7 @@
 		at91_sys_write(AT91_AIC_SMR(i), AT91_AIC_SRCTYPE_LOW | priority[i]);
 
 		set_irq_chip(i, &at91_aic_chip);
-		set_irq_handler(i, do_level_IRQ);
+		set_irq_handler(i, handle_level_irq);
 		set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
 
 		/* Perform 8 End Of Interrupt Command to make sure AIC will not Lock out nIRQ */