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path: root/drivers/pci/msi.c
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Diffstat (limited to 'drivers/pci/msi.c')
-rw-r--r--drivers/pci/msi.c26
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index ca9112afd53a..b6785c8be44d 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -1109,23 +1109,15 @@ static int __pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec,
}
}
-/**
- * pci_enable_msi_range - configure device's MSI capability structure
- * @dev: device to configure
- * @minvec: minimal number of interrupts to configure
- * @maxvec: maximum number of interrupts to configure
- *
- * This function tries to allocate a maximum possible number of interrupts in a
- * range between @minvec and @maxvec. It returns a negative errno if an error
- * occurs. If it succeeds, it returns the actual number of interrupts allocated
- * and updates the @dev's irq member to the lowest new interrupt number;
- * the other interrupt numbers allocated to this device are consecutive.
- **/
-int pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec)
+/* deprecated, don't use */
+int pci_enable_msi(struct pci_dev *dev)
{
- return __pci_enable_msi_range(dev, minvec, maxvec, NULL);
+ int rc = __pci_enable_msi_range(dev, 1, 1, NULL);
+ if (rc < 0)
+ return rc;
+ return 0;
}
-EXPORT_SYMBOL(pci_enable_msi_range);
+EXPORT_SYMBOL(pci_enable_msi);
static int __pci_enable_msix_range(struct pci_dev *dev,
struct msix_entry *entries, int minvec,
@@ -1381,7 +1373,7 @@ int pci_msi_domain_check_cap(struct irq_domain *domain,
{
struct msi_desc *desc = first_pci_msi_entry(to_pci_dev(dev));
- /* Special handling to support pci_enable_msi_range() */
+ /* Special handling to support __pci_enable_msi_range() */
if (pci_msi_desc_is_multi_msi(desc) &&
!(info->flags & MSI_FLAG_MULTI_PCI_MSI))
return 1;
@@ -1394,7 +1386,7 @@ int pci_msi_domain_check_cap(struct irq_domain *domain,
static int pci_msi_domain_handle_error(struct irq_domain *domain,
struct msi_desc *desc, int error)
{
- /* Special handling to support pci_enable_msi_range() */
+ /* Special handling to support __pci_enable_msi_range() */
if (pci_msi_desc_is_multi_msi(desc) && error == -ENOSPC)
return 1;