Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[pandora-kernel.git] / drivers / base / dd.c

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index ee95c76..503c262 100644 (file)
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -40,11 +40,11 @@ static void driver_bound(struct device *dev)
        pr_debug("driver: '%s': %s: bound to device '%s'\n", dev_name(dev),
                 __func__, dev->driver->name);
 
+       klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices);
+
        if (dev->bus)
                blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
                                             BUS_NOTIFY_BOUND_DRIVER, dev);
-
-       klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices);
 }
 
 static int driver_sysfs_add(struct device *dev)
@@ -85,7 +85,7 @@ static void driver_sysfs_remove(struct device *dev)
  * for before calling this. (It is ok to call with no other effort
  * from a driver's probe() method.)
  *
- * This function must be called with @dev->sem held.
+ * This function must be called with the device lock held.
  */
 int device_bind_driver(struct device *dev)
 {
@@ -190,8 +190,8 @@ EXPORT_SYMBOL_GPL(wait_for_device_probe);
  * This function returns -ENODEV if the device is not registered,
  * 1 if the device is bound successfully and 0 otherwise.
  *
- * This function must be called with @dev->sem held.  When called for a
- * USB interface, @dev->parent->sem must be held as well.
+ * This function must be called with @dev lock held.  When called for a
+ * USB interface, @dev->parent lock must be held as well.
  */
 int driver_probe_device(struct device_driver *drv, struct device *dev)
 {
@@ -233,13 +233,13 @@ static int __device_attach(struct device_driver *drv, void *data)
  * 0 if no matching driver was found;
  * -ENODEV if the device is not registered.
  *
- * When called for a USB interface, @dev->parent->sem must be held.
+ * When called for a USB interface, @dev->parent lock must be held.
  */
 int device_attach(struct device *dev)
 {
        int ret = 0;
 
-       down(&dev->sem);
+       device_lock(dev);
        if (dev->driver) {
                ret = device_bind_driver(dev);
                if (ret == 0)
@@ -253,7 +253,7 @@ int device_attach(struct device *dev)
                ret = bus_for_each_drv(dev->bus, NULL, dev, __device_attach);
                pm_runtime_put_sync(dev);
        }
-       up(&dev->sem);
+       device_unlock(dev);
        return ret;
 }
 EXPORT_SYMBOL_GPL(device_attach);
@@ -276,13 +276,13 @@ static int __driver_attach(struct device *dev, void *data)
                return 0;
 
        if (dev->parent)        /* Needed for USB */
-               down(&dev->parent->sem);
-       down(&dev->sem);
+               device_lock(dev->parent);
+       device_lock(dev);
        if (!dev->driver)
                driver_probe_device(drv, dev);
-       up(&dev->sem);
+       device_unlock(dev);
        if (dev->parent)
-               up(&dev->parent->sem);
+               device_unlock(dev->parent);
 
        return 0;
 }
@@ -303,8 +303,8 @@ int driver_attach(struct device_driver *drv)
 EXPORT_SYMBOL_GPL(driver_attach);
 
 /*
- * __device_release_driver() must be called with @dev->sem held.
- * When called for a USB interface, @dev->parent->sem must be held as well.
+ * __device_release_driver() must be called with @dev lock held.
+ * When called for a USB interface, @dev->parent lock must be held as well.
  */
 static void __device_release_driver(struct device *dev)
 {
@@ -343,7 +343,7 @@ static void __device_release_driver(struct device *dev)
  * @dev: device.
  *
  * Manually detach device from driver.
- * When called for a USB interface, @dev->parent->sem must be held.
+ * When called for a USB interface, @dev->parent lock must be held.
  */
 void device_release_driver(struct device *dev)
 {
@@ -352,9 +352,9 @@ void device_release_driver(struct device *dev)
         * within their ->remove callback for the same device, they
         * will deadlock right here.
         */
-       down(&dev->sem);
+       device_lock(dev);
        __device_release_driver(dev);
-       up(&dev->sem);
+       device_unlock(dev);
 }
 EXPORT_SYMBOL_GPL(device_release_driver);
 
@@ -381,13 +381,13 @@ void driver_detach(struct device_driver *drv)
                spin_unlock(&drv->p->klist_devices.k_lock);
 
                if (dev->parent)        /* Needed for USB */
-                       down(&dev->parent->sem);
-               down(&dev->sem);
+                       device_lock(dev->parent);
+               device_lock(dev);
                if (dev->driver == drv)
                        __device_release_driver(dev);
-               up(&dev->sem);
+               device_unlock(dev);
                if (dev->parent)
-                       up(&dev->parent->sem);
+                       device_unlock(dev->parent);
                put_device(dev);
        }
 }