Commit 059f778d authored by Ahmed S. Darwish's avatar Ahmed S. Darwish Committed by Thomas Gleixner
Browse files

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: default avatarAhmed S. Darwish <darwi@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20221111122015.042870570@linutronix.de
parent 017239c8

drivers/pci/msi/api.c

+15 −0
Original line number Diff line number Diff line
@@ -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);

drivers/pci/msi/msi.c

+0 −13
Original line number Diff line number Diff line
@@ -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