[SPARC64] IRQ: Use irq_desc->chip_data instead of irq_desc->handler_data

Otherwise we can't use the generic MSI code.

Furthermore, properly use the {get,set}_irq_foo() abstracted
interfaces instead of direct accesses to irq_desc[]->foo.

Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed