linux-kernel - [tip: irq/core] PCI/MSI: Move pci_free_irq

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Date:   Thu, 17 Nov 2022 15:08:06 -0000
From:   "tip-bot2 for Ahmed S. Darwish" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Ahmed S. Darwish" <darwi@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Bjorn Helgaas <bhelgaas@...gle.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, maz@...nel.org
Subject: [tip: irq/core] PCI/MSI: Move pci_free_irq_vectors() to api.c

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     059f778d66ba88e1acad89a46cfb35eb8703feef
Gitweb:        https://git.kernel.org/tip/059f778d66ba88e1acad89a46cfb35eb8703feef
Author:        Ahmed S. Darwish <darwi@...utronix.de>
AuthorDate:    Fri, 11 Nov 2022 14:54:54 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 17 Nov 2022 15:15:21 +01:00

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@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>
Link: https://lore.kernel.org/r/20221111122015.042870570@linutronix.de


---
 drivers/pci/msi/api.c | 15 +++++++++++++++
 drivers/pci/msi/msi.c | 13 -------------
 2 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/drivers/pci/msi/api.c b/drivers/pci/msi/api.c
index 0f1ec87..2ff2a9c 100644
--- a/drivers/pci/msi/api.c
+++ b/drivers/pci/msi/api.c
@@ -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);
diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c
index 38ad2fe..ed8caf5 100644
--- a/drivers/pci/msi/msi.c
+++ b/drivers/pci/msi/msi.c
@@ -887,19 +887,6 @@ 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
  * @nr:		device-relative interrupt vector index (0-based).