cpqhp_set_irq
int cpqhp_set_irq(u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num);
rc = cpqhp_set_irq(func->bus, func->device,
rc = cpqhp_set_irq(func->bus, func->device, temp_byte, IRQ);