// 4. Map BAR0 (control registers) into kernel virtual address space void __iomem *regs = pci_iomap(pdev, 0, 0);
// 1. Enable the PCI device pci_enable_device(pdev); // 2. Request ownership of memory regions (BARs) pci_request_regions(pdev, "my_driver"); pci device driver
static struct pci_driver my_pci_driver = .name = "my_pci_driver", .id_table = my_ids, .probe = my_probe, .remove = my_remove, ; .id_table = my_ids
By: Engineering Staff
static int my_probe(struct pci_dev *pdev, const struct pci_device_id *id) .probe = my_probe