[PATCH] RCU Documentation fix

[powerpc.git] / drivers / pci / probe.c

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 27148db..f89dbc3 100644 (file)
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -383,9 +383,9 @@ struct pci_bus * __devinit pci_add_new_bus(struct pci_bus *parent, struct pci_de
 
        child = pci_alloc_child_bus(parent, dev, busnr);
        if (child) {
-               spin_lock(&pci_bus_lock);
+               down_write(&pci_bus_sem);
                list_add_tail(&child->node, &parent->children);
-               spin_unlock(&pci_bus_lock);
+               up_write(&pci_bus_sem);
        }
        return child;
 }
@@ -844,9 +844,9 @@ void __devinit pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
         * and the bus list for fixup functions, etc.
         */
        INIT_LIST_HEAD(&dev->global_list);
-       spin_lock(&pci_bus_lock);
+       down_write(&pci_bus_sem);
        list_add_tail(&dev->bus_list, &bus->devices);
-       spin_unlock(&pci_bus_lock);
+       up_write(&pci_bus_sem);
 }
 
 struct pci_dev * __devinit
@@ -981,9 +981,10 @@ struct pci_bus * __devinit pci_create_bus(struct device *parent,
                pr_debug("PCI: Bus %04x:%02x already known\n", pci_domain_nr(b), bus);
                goto err_out;
        }
-       spin_lock(&pci_bus_lock);
+
+       down_write(&pci_bus_sem);
        list_add_tail(&b->node, &pci_root_buses);
-       spin_unlock(&pci_bus_lock);
+       up_write(&pci_bus_sem);
 
        memset(dev, 0, sizeof(*dev));
        dev->parent = parent;
@@ -1023,9 +1024,9 @@ class_dev_create_file_err:
 class_dev_reg_err:
        device_unregister(dev);
 dev_reg_err:
-       spin_lock(&pci_bus_lock);
+       down_write(&pci_bus_sem);
        list_del(&b->node);
-       spin_unlock(&pci_bus_lock);
+       up_write(&pci_bus_sem);
 err_out:
        kfree(dev);
        kfree(b);