octeon_irq_get_block_domain
EXPORT_SYMBOL(octeon_irq_get_block_domain);
struct irq_domain *octeon_irq_get_block_domain(int node, uint8_t block);
domain = octeon_irq_get_block_domain(node,
domain = octeon_irq_get_block_domain(node, WD_BLOCK_NUMBER);