1PCI_FREE_IRQ(9) Hardware Interfaces PCI_FREE_IRQ(9)
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6 pci_free_irq - free an interrupt allocated with pci_request_irq
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9 void pci_free_irq(struct pci_dev * dev, unsigned int nr,
10 void * dev_id);
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13 dev
14 PCI device to operate on
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16 nr
17 device-relative interrupt vector index (0-based).
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19 dev_id
20 Device identity to free
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23 Remove an interrupt handler. The handler is removed and if the
24 interrupt line is no longer in use by any driver it is disabled. The
25 caller must ensure the interrupt is disabled on the device before
26 calling this function. The function does not return until any executing
27 interrupts for this IRQ have completed.
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29 This function must not be called from interrupt context.
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32Kernel Hackers Manual 3.10 June 2019 PCI_FREE_IRQ(9)