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PCI/MSI: Move pci_free_irq_vectors() to api.c 

To disentangle the maze in msi.c, all exported device-driver MSI APIs are
now to be grouped in one file, api.c.

Move pci_free_irq_vectors() and make its kernel-doc comprehensive.

Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20221111122015.042870570@linutronix.de
This commit is contained in:
Ahmed S. Darwish 2022-11-11 14:54:54 +01:00 committed by Thomas Gleixner
parent 017239c8db
commit 059f778d66
2 changed files with 15 additions and 13 deletions
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15
drivers/pci/msi/api.c
View File

@ -205,3 +205,18 @@ int pci_irq_vector(struct pci_dev *dev, unsigned int nr)
return irq ? irq : -EINVAL;
}
EXPORT_SYMBOL(pci_irq_vector);
/**
* pci_free_irq_vectors() - Free previously allocated IRQs for a device
* @dev: the PCI device to operate on
*
* Undo the interrupt vector allocations and possible device MSI/MSI-X
* enablement earlier done through pci_alloc_irq_vectors_affinity() or
* pci_alloc_irq_vectors().
*/
void pci_free_irq_vectors(struct pci_dev *dev)
{
pci_disable_msix(dev);
pci_disable_msi(dev);
}
EXPORT_SYMBOL(pci_free_irq_vectors);

13
drivers/pci/msi/msi.c
View File

@ -886,19 +886,6 @@ int __pci_enable_msix_range(struct pci_dev *dev,
}
}
/**
* pci_free_irq_vectors - free previously allocated IRQs for a device
* @dev: PCI device to operate on
*
* Undoes the allocations and enabling in pci_alloc_irq_vectors().
*/
void pci_free_irq_vectors(struct pci_dev *dev)
{
pci_disable_msix(dev);
pci_disable_msi(dev);
}
EXPORT_SYMBOL(pci_free_irq_vectors);
/**
* pci_irq_get_affinity - return the affinity of a particular MSI vector
* @dev: PCI device to operate on