1PCI_RELEASE_REGION(9) Hardware Interfaces PCI_RELEASE_REGION(9)
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6 pci_release_region - Release a PCI bar
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9 void pci_release_region(struct pci_dev * pdev, int bar);
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12 pdev
13 PCI device whose resources were previously reserved by
14 pci_request_region
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16 bar
17 BAR to release
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20 Releases the PCI I/O and memory resources previously reserved by a
21 successful call to pci_request_region. Call this function only after
22 all use of the PCI regions has ceased.
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25Kernel Hackers Manual 2.6. June 2019 PCI_RELEASE_REGION(9)