Revert "drm/fb-helper: Reduce READ_ONCE(master) to lockless_dereference"

[cascardo/linux.git] / drivers / pci / bus.c

diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index dd7cdbe..c288e5a 100644 (file)
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -91,6 +91,35 @@ void pci_bus_remove_resources(struct pci_bus *bus)
        }
 }
 
+int devm_request_pci_bus_resources(struct device *dev,
+                                  struct list_head *resources)
+{
+       struct resource_entry *win;
+       struct resource *parent, *res;
+       int err;
+
+       resource_list_for_each_entry(win, resources) {
+               res = win->res;
+               switch (resource_type(res)) {
+               case IORESOURCE_IO:
+                       parent = &ioport_resource;
+                       break;
+               case IORESOURCE_MEM:
+                       parent = &iomem_resource;
+                       break;
+               default:
+                       continue;
+               }
+
+               err = devm_request_resource(dev, parent, res);
+               if (err)
+                       return err;
+       }
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(devm_request_pci_bus_resources);
+
 static struct pci_bus_region pci_32_bit = {0, 0xffffffffULL};
 #ifdef CONFIG_PCI_BUS_ADDR_T_64BIT
 static struct pci_bus_region pci_64_bit = {0,
@@ -291,6 +320,7 @@ void pci_bus_add_device(struct pci_dev *dev)
        pci_fixup_device(pci_fixup_final, dev);
        pci_create_sysfs_dev_files(dev);
        pci_proc_attach_device(dev);
+       pci_bridge_d3_device_changed(dev);
 
        dev->match_driver = true;
        retval = device_attach(&dev->dev);
@@ -397,4 +427,3 @@ void pci_bus_put(struct pci_bus *bus)
                put_device(&bus->dev);
 }
 EXPORT_SYMBOL(pci_bus_put);
-