pci_check_and_unmask_intx - unmask INTx if no interrupt is pending
bool pci_check_and_unmask_intx(struct pci_dev * dev);
Check if the device dev has its INTx line asserted, unmask it if not and return true. False is returned and the mask remains active if there was still an interrupt pending.
|January 2017||Kernel Hackers Manual 4.8.|