diff options
Diffstat (limited to 'drivers/pci/msi.c')
| -rw-r--r-- | drivers/pci/msi.c | 26 |
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; |