Commit d41b0e64 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman Committed by Bjorn Helgaas
Browse files

PCI/MSI: Remove unused pci_irq_get_node() 

The function pci_irq_get_node() is not used by anyone in the tree, so just
delete it.

Link: https://lore.kernel.org/r/20191014100452.GA6699@kroah.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarAndrew Murray <andrew.murray@arm.com>
parent 7d194c21

drivers/pci/msi.c

+0 −16
Original line number Diff line number Diff line
@@ -1315,22 +1315,6 @@ const struct cpumask *pci_irq_get_affinity(struct pci_dev *dev, int nr) 
}

EXPORT_SYMBOL(pci_irq_get_affinity);



/**

 * pci_irq_get_node - return the NUMA node of a particular MSI vector

 * @pdev:	PCI device to operate on

 * @vec:	device-relative interrupt vector index (0-based).

 */

int pci_irq_get_node(struct pci_dev *pdev, int vec)

{

	const struct cpumask *mask;



	mask = pci_irq_get_affinity(pdev, vec);

	if (mask)

		return local_memory_node(cpu_to_node(cpumask_first(mask)));

	return dev_to_node(&pdev->dev);

}

EXPORT_SYMBOL(pci_irq_get_node);



struct pci_dev *msi_desc_to_pci_dev(struct msi_desc *desc)

{

	return to_pci_dev(desc->dev);

include/linux/pci.h

+0 −6
Original line number Diff line number Diff line
@@ -1454,7 +1454,6 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, 
void pci_free_irq_vectors(struct pci_dev *dev);

int pci_irq_vector(struct pci_dev *dev, unsigned int nr);

const struct cpumask *pci_irq_get_affinity(struct pci_dev *pdev, int vec);

int pci_irq_get_node(struct pci_dev *pdev, int vec);



#else

static inline int pci_msi_vec_count(struct pci_dev *dev) { return -ENOSYS; }
@@ -1497,11 +1496,6 @@ static inline const struct cpumask *pci_irq_get_affinity(struct pci_dev *pdev, 
{

	return cpu_possible_mask;

}



static inline int pci_irq_get_node(struct pci_dev *pdev, int vec)

{

	return first_online_node;

}

#endif



/**

CRA Git | Maintained and supported by SUSTech CRA and CCSE