msi_parent_dn 301 drivers/irqchip/irq-mvebu-icu.c struct device_node *msi_parent_dn; msi_parent_dn 322 drivers/irqchip/irq-mvebu-icu.c msi_parent_dn = irq_domain_get_of_node(dev->msi_domain); msi_parent_dn 323 drivers/irqchip/irq-mvebu-icu.c if (!msi_parent_dn)