PCI/MSI: Make pci_msi_domain_check_cap() static

No users outside of that file.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20211206210224.980989243@linutronix.de

drivers/pci/msi/irqdomain.c

@@ -79,8 +79,9 @@ static inline bool pci_msi_desc_is_multi_msi(struct msi_desc *desc)
  *  1 if Multi MSI is requested, but the domain does not support it
  *  -ENOTSUPP otherwise
  */
-int pci_msi_domain_check_cap(struct irq_domain *domain,
-			     struct msi_domain_info *info, struct device *dev)
+static int pci_msi_domain_check_cap(struct irq_domain *domain,
+				    struct msi_domain_info *info,
+				    struct device *dev)
 {
 	struct msi_desc *desc = first_pci_msi_entry(to_pci_dev(dev));
 

include/linux/msi.h

@@ -439,8 +439,6 @@ void *platform_msi_get_host_data(struct irq_domain *domain);
 struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode,
 					     struct msi_domain_info *info,
 					     struct irq_domain *parent);
-int pci_msi_domain_check_cap(struct irq_domain *domain,
-			     struct msi_domain_info *info, struct device *dev);
 u32 pci_msi_domain_get_msi_rid(struct irq_domain *domain, struct pci_dev *pdev);
 struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev);
 bool pci_dev_has_special_msi_domain(struct pci_dev *pdev);