diff --git a/drivers/pci/msi/irqdomain.c b/drivers/pci/msi/irqdomain.c index 666ed21f2924..dea2e8c4dfa4 100644 --- a/drivers/pci/msi/irqdomain.c +++ b/drivers/pci/msi/irqdomain.c @@ -64,51 +64,6 @@ static irq_hw_number_t pci_msi_domain_calc_hwirq(struct msi_desc *desc) (pci_domain_nr(dev->bus) & 0xFFFFFFFF) << 27; } -static inline bool pci_msi_desc_is_multi_msi(struct msi_desc *desc) -{ - return !desc->pci.msi_attrib.is_msix && desc->nvec_used > 1; -} - -/** - * pci_msi_domain_check_cap - Verify that @domain supports the capabilities - * for @dev - * @domain: The interrupt domain to check - * @info: The domain info for verification - * @dev: The device to check - * - * Returns: - * 0 if the functionality is supported - * 1 if Multi MSI is requested, but the domain does not support it - * -ENOTSUPP otherwise - */ -static int pci_msi_domain_check_cap(struct irq_domain *domain, - struct msi_domain_info *info, - struct device *dev) -{ - struct msi_desc *desc = msi_first_desc(dev, MSI_DESC_ALL); - - /* 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; - - if (desc->pci.msi_attrib.is_msix) { - if (!(info->flags & MSI_FLAG_PCI_MSIX)) - return -ENOTSUPP; - - if (info->flags & MSI_FLAG_MSIX_CONTIGUOUS) { - unsigned int idx = 0; - - /* Check for gaps in the entry indices */ - msi_for_each_desc(desc, dev, MSI_DESC_ALL) { - if (desc->msi_index != idx++) - return -ENOTSUPP; - } - } - } - return 0; -} - static void pci_msi_domain_set_desc(msi_alloc_info_t *arg, struct msi_desc *desc) { @@ -118,7 +73,6 @@ static void pci_msi_domain_set_desc(msi_alloc_info_t *arg, static struct msi_domain_ops pci_msi_domain_ops_default = { .set_desc = pci_msi_domain_set_desc, - .msi_check = pci_msi_domain_check_cap, }; static void pci_msi_domain_update_dom_ops(struct msi_domain_info *info) @@ -130,8 +84,6 @@ static void pci_msi_domain_update_dom_ops(struct msi_domain_info *info) } else { if (ops->set_desc == NULL) ops->set_desc = pci_msi_domain_set_desc; - if (ops->msi_check == NULL) - ops->msi_check = pci_msi_domain_check_cap; } }