pci_release_region (9) Linux Manual Page
pci_release_region – Release a PCI bar
Synopsis
void pci_release_region(struct pci_dev *pdev, int bar);Arguments
pdev
-
- PCI device whose resources were previously reserved by pci_request_region
bar
- BAR to release
Description
Releases the PCI I/O and memory resources previously reserved by a successful call to pci_request_region. Call this function only after all use of the PCI regions has ceased.