Merge tag 'io_uring-5.15-2021-09-11' of git://git.kernel.dk/linux-block

[linux-2.6-microblaze.git] / drivers / pci / of.c

diff --git a/drivers/pci/of.c b/drivers/pci/of.c
index da5b414..d84381c 100644 (file)
--- a/drivers/pci/of.c
+++ b/drivers/pci/of.c
@@ -103,6 +103,13 @@ struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus)
 #endif
 }
 
+bool pci_host_of_has_msi_map(struct device *dev)
+{
+       if (dev && dev->of_node)
+               return of_get_property(dev->of_node, "msi-map", NULL);
+       return false;
+}
+
 static inline int __of_pci_pci_compare(struct device_node *node,
                                       unsigned int data)
 {
@@ -303,7 +310,7 @@ static int devm_of_pci_get_host_bridge_resources(struct device *dev,
        /* Check for ranges property */
        err = of_pci_range_parser_init(&parser, dev_node);
        if (err)
-               goto failed;
+               return 0;
 
        dev_dbg(dev, "Parsing ranges property...\n");
        for_each_of_pci_range(&parser, &range) {
@@ -346,6 +353,8 @@ static int devm_of_pci_get_host_bridge_resources(struct device *dev,
                                dev_warn(dev, "More than one I/O resource converted for %pOF. CPU base address for old range lost!\n",
                                         dev_node);
                        *io_base = range.cpu_addr;
+               } else if (resource_type(res) == IORESOURCE_MEM) {
+                       res->flags &= ~IORESOURCE_MEM_64;
                }
 
                pci_add_resource_offset(resources, res, res->start - range.pci_addr);