diff options
| -rw-r--r-- | drivers/pci/msi.c | 50 | ||||
| -rw-r--r-- | include/linux/msi.h | 3 |
2 files changed, 2 insertions, 51 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 0f77b38f03dd..79f20e4cb7bf 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -32,30 +32,11 @@ int pci_msi_ignore_mask; #define msix_table_size(flags) ((flags & PCI_MSIX_FLAGS_QSIZE) + 1) #ifdef CONFIG_PCI_MSI_IRQ_DOMAIN -static struct irq_domain *pci_msi_default_domain; -static DEFINE_MUTEX(pci_msi_domain_lock); - -struct irq_domain * __weak arch_get_pci_msi_domain(struct pci_dev *dev) -{ - return pci_msi_default_domain; -} - -static struct irq_domain *pci_msi_get_domain(struct pci_dev *dev) -{ - struct irq_domain *domain; - - domain = dev_get_msi_domain(&dev->dev); - if (domain) - return domain; - - return arch_get_pci_msi_domain(dev); -} - static int pci_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) { struct irq_domain *domain; - domain = pci_msi_get_domain(dev); + domain = dev_get_msi_domain(&dev->dev); if (domain && irq_domain_is_hierarchy(domain)) return pci_msi_domain_alloc_irqs(domain, dev, nvec, type); @@ -66,7 +47,7 @@ static void pci_msi_teardown_msi_irqs(struct pci_dev *dev) { struct irq_domain *domain; - domain = pci_msi_get_domain(dev); + domain = dev_get_msi_domain(&dev->dev); if (domain && irq_domain_is_hierarchy(domain)) pci_msi_domain_free_irqs(domain, dev); else @@ -1499,33 +1480,6 @@ void pci_msi_domain_free_irqs(struct irq_domain *domain, struct pci_dev *dev) msi_domain_free_irqs(domain, &dev->dev); } -/** - * pci_msi_create_default_irq_domain - Create a default MSI interrupt domain - * @fwnode: Optional fwnode of the interrupt controller - * @info: MSI domain info - * @parent: Parent irq domain - * - * Returns: A domain pointer or NULL in case of failure. If successful - * the default PCI/MSI irqdomain pointer is updated. - */ -struct irq_domain *pci_msi_create_default_irq_domain(struct fwnode_handle *fwnode, - struct msi_domain_info *info, struct irq_domain *parent) -{ - struct irq_domain *domain; - - mutex_lock(&pci_msi_domain_lock); - if (pci_msi_default_domain) { - pr_err("PCI: default irq domain for PCI MSI has already been created.\n"); - domain = NULL; - } else { - domain = pci_msi_create_irq_domain(fwnode, info, parent); - pci_msi_default_domain = domain; - } - mutex_unlock(&pci_msi_domain_lock); - - return domain; -} - static int get_msi_id_cb(struct pci_dev *pdev, u16 alias, void *data) { u32 *pa = data; diff --git a/include/linux/msi.h b/include/linux/msi.h index 0db320b7bb15..18b8566b3ce3 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -319,9 +319,6 @@ struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode, int pci_msi_domain_alloc_irqs(struct irq_domain *domain, struct pci_dev *dev, int nvec, int type); void pci_msi_domain_free_irqs(struct irq_domain *domain, struct pci_dev *dev); -struct irq_domain *pci_msi_create_default_irq_domain(struct fwnode_handle *fwnode, - struct msi_domain_info *info, struct irq_domain *parent); - irq_hw_number_t pci_msi_domain_calc_hwirq(struct pci_dev *dev, struct msi_desc *desc); int pci_msi_domain_check_cap(struct irq_domain *domain, |