3 files changed, 39 insertions, 39 deletions

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index cca1aa10054c..71f6af5c8b0b 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -173,10 +173,10 @@ static ssize_t driver_unbind(struct device_driver *drv,
         dev = bus_find_device_by_name(bus, NULL, buf);
         if (dev && dev->driver == drv) {
                 if (dev->parent)        /* Needed for USB */
-                        down(&dev->parent->sem);
+                        device_lock(dev->parent);
                 device_release_driver(dev);
                 if (dev->parent)
-                        up(&dev->parent->sem);
+                        device_unlock(dev->parent);
                 err = count;
         }
         put_device(dev);
@@ -200,12 +200,12 @@ static ssize_t driver_bind(struct device_driver *drv,
         dev = bus_find_device_by_name(bus, NULL, buf);
         if (dev && dev->driver == NULL && driver_match_device(drv, dev)) {
                 if (dev->parent)        /* Needed for USB */
-                        down(&dev->parent->sem);
-                down(&dev->sem);
+                        device_lock(dev->parent);
+                device_lock(dev);
                 err = driver_probe_device(drv, dev);
-                up(&dev->sem);
+                device_unlock(dev);
                 if (dev->parent)
-                        up(&dev->parent->sem);
+                        device_unlock(dev->parent);
 
                 if (err > 0) {
                         /* success */
@@ -744,10 +744,10 @@ static int __must_check bus_rescan_devices_helper(struct device *dev,
 
         if (!dev->driver) {
                 if (dev->parent)        /* Needed for USB */
-                        down(&dev->parent->sem);
+                        device_lock(dev->parent);
                 ret = device_attach(dev);
                 if (dev->parent)
-                        up(&dev->parent->sem);
+                        device_unlock(dev->parent);
         }
         return ret < 0 ? ret : 0;
 }
@@ -779,10 +779,10 @@ int device_reprobe(struct device *dev)
 {
         if (dev->driver) {
                 if (dev->parent)        /* Needed for USB */
-                        down(&dev->parent->sem);
+                        device_lock(dev->parent);
                 device_release_driver(dev);
                 if (dev->parent)
-                        up(&dev->parent->sem);
+                        device_unlock(dev->parent);
         }
         return bus_rescan_devices_helper(dev, NULL);
 }
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index ee95c76bfd3d..c89291f8a16b 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -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);
         }
 }
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 0e26a6f6fd48..d477f4dc5e51 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -35,8 +35,8 @@
  * because children are guaranteed to be discovered after parents, and
  * are inserted at the back of the list on discovery.
  *
- * Since device_pm_add() may be called with a device semaphore held,
- * we must never try to acquire a device semaphore while holding
+ * Since device_pm_add() may be called with a device lock held,
+ * we must never try to acquire a device lock while holding
  * dpm_list_mutex.
  */
 
@@ -508,7 +508,7 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
         TRACE_RESUME(0);
 
         dpm_wait(dev->parent, async);
-        down(&dev->sem);
+        device_lock(dev);
 
         dev->power.status = DPM_RESUMING;
 
@@ -543,7 +543,7 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
                 }
         }
  End:
-        up(&dev->sem);
+        device_unlock(dev);
         complete_all(&dev->power.completion);
 
         TRACE_RESUME(error);
@@ -629,7 +629,7 @@ static void dpm_resume(pm_message_t state)
  */
 static void device_complete(struct device *dev, pm_message_t state)
 {
-        down(&dev->sem);
+        device_lock(dev);
 
         if (dev->class && dev->class->pm && dev->class->pm->complete) {
                 pm_dev_dbg(dev, state, "completing class ");
@@ -646,7 +646,7 @@ static void device_complete(struct device *dev, pm_message_t state)
                 dev->bus->pm->complete(dev);
         }
 
-        up(&dev->sem);
+        device_unlock(dev);
 }
 
 /**
@@ -809,7 +809,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
         int error = 0;
 
         dpm_wait_for_children(dev, async);
-        down(&dev->sem);
+        device_lock(dev);
 
         if (async_error)
                 goto End;
@@ -849,7 +849,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
                 dev->power.status = DPM_OFF;
 
  End:
-        up(&dev->sem);
+        device_unlock(dev);
         complete_all(&dev->power.completion);
 
         return error;
@@ -938,7 +938,7 @@ static int device_prepare(struct device *dev, pm_message_t state)
 {
         int error = 0;
 
-        down(&dev->sem);
+        device_lock(dev);
 
         if (dev->bus && dev->bus->pm && dev->bus->pm->prepare) {
                 pm_dev_dbg(dev, state, "preparing ");
@@ -962,7 +962,7 @@ static int device_prepare(struct device *dev, pm_message_t state)
                 suspend_report_result(dev->class->pm->prepare, error);
         }
  End:
-        up(&dev->sem);
+        device_unlock(dev);
 
         return error;
 }