Driver core: create lock/unlock functions for struct device

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

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index cca1aa1..71f6af5 100644 (file)
--- 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);
 }