linux-kernel - [PATCH] PCI: msi: remove pci_irq_get

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Message-ID: <20191014100452.GA6699@kroah.com>
Date:   Mon, 14 Oct 2019 12:04:52 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] PCI: msi: remove pci_irq_get_node() as no one is using it

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

Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 0884bedcfc7a..f95fe23830f0 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -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);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index f9088c89a534..755d8c0176b9 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -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
 
 /**