drivers/base/iommu.c: add missing includes
[safe/jmp/linux-2.6] / drivers / base / dd.c
index 20febc0..742cbe6 100644 (file)
  */
 
 #include <linux/device.h>
+#include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/kthread.h>
 #include <linux/wait.h>
+#include <linux/async.h>
 
 #include "base.h"
 #include "power/power.h"
 
 static void driver_bound(struct device *dev)
 {
-       if (klist_node_attached(&dev->knode_driver)) {
+       if (klist_node_attached(&dev->p->knode_driver)) {
                printk(KERN_WARNING "%s: device %s already bound\n",
                        __func__, kobject_name(&dev->kobj));
                return;
        }
 
-       pr_debug("driver: '%s': %s: bound to device '%s'\n", dev->bus_id,
+       pr_debug("driver: '%s': %s: bound to device '%s'\n", dev_name(dev),
                 __func__, dev->driver->name);
 
        if (dev->bus)
                blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
                                             BUS_NOTIFY_BOUND_DRIVER, dev);
 
-       klist_add_tail(&dev->knode_driver, &dev->driver->p->klist_devices);
+       klist_add_tail(&dev->p->knode_driver, &dev->driver->p->klist_devices);
 }
 
 static int driver_sysfs_add(struct device *dev)
@@ -104,13 +106,13 @@ static int really_probe(struct device *dev, struct device_driver *drv)
 
        atomic_inc(&probe_count);
        pr_debug("bus: '%s': %s: probing driver %s with device %s\n",
-                drv->bus->name, __func__, drv->name, dev->bus_id);
+                drv->bus->name, __func__, drv->name, dev_name(dev));
        WARN_ON(!list_empty(&dev->devres_head));
 
        dev->driver = drv;
        if (driver_sysfs_add(dev)) {
                printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n",
-                       __func__, dev->bus_id);
+                       __func__, dev_name(dev));
                goto probe_failed;
        }
 
@@ -127,7 +129,7 @@ static int really_probe(struct device *dev, struct device_driver *drv)
        driver_bound(dev);
        ret = 1;
        pr_debug("bus: '%s': %s: bound device %s to driver %s\n",
-                drv->bus->name, __func__, dev->bus_id, drv->name);
+                drv->bus->name, __func__, dev_name(dev), drv->name);
        goto done;
 
 probe_failed:
@@ -139,7 +141,7 @@ probe_failed:
                /* driver matched but the probe failed */
                printk(KERN_WARNING
                       "%s: probe of %s failed with error %d\n",
-                      drv->name, dev->bus_id, ret);
+                      drv->name, dev_name(dev), ret);
        }
        /*
         * Ignore errors returned by ->probe so that the next driver can try
@@ -168,18 +170,24 @@ int driver_probe_done(void)
 }
 
 /**
+ * wait_for_device_probe
+ * Wait for device probing to be completed.
+ */
+void wait_for_device_probe(void)
+{
+       /* wait for the known devices to complete their probing */
+       wait_event(probe_waitqueue, atomic_read(&probe_count) == 0);
+       async_synchronize_full();
+}
+EXPORT_SYMBOL_GPL(wait_for_device_probe);
+
+/**
  * driver_probe_device - attempt to bind device & driver together
  * @drv: driver to bind a device to
  * @dev: device to try to bind to the driver
  *
- * First, we call the bus's match function, if one present, which should
- * compare the device IDs the driver supports with the device IDs of the
- * device. Note we don't do this ourselves because we don't know the
- * format of the ID structures, nor what is to be considered a match and
- * what is not.
- *
- * This function returns 1 if a match is found, -ENODEV if the device is
- * not registered, and 0 otherwise.
+ * This function returns -ENODEV if the device is not registered,
+ * 1 if the device is bound sucessfully 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.
@@ -190,21 +198,22 @@ int driver_probe_device(struct device_driver *drv, struct device *dev)
 
        if (!device_is_registered(dev))
                return -ENODEV;
-       if (drv->bus->match && !drv->bus->match(dev, drv))
-               goto done;
 
        pr_debug("bus: '%s': %s: matched device %s with driver %s\n",
-                drv->bus->name, __func__, dev->bus_id, drv->name);
+                drv->bus->name, __func__, dev_name(dev), drv->name);
 
        ret = really_probe(dev, drv);
 
-done:
        return ret;
 }
 
 static int __device_attach(struct device_driver *drv, void *data)
 {
        struct device *dev = data;
+
+       if (!driver_match_device(drv, dev))
+               return 0;
+
        return driver_probe_device(drv, dev);
 }
 
@@ -257,7 +266,7 @@ static int __driver_attach(struct device *dev, void *data)
         * is an error.
         */
 
-       if (drv->bus->match && !drv->bus->match(dev, drv))
+       if (!driver_match_device(drv, dev))
                return 0;
 
        if (dev->parent)        /* Needed for USB */
@@ -298,7 +307,6 @@ static void __device_release_driver(struct device *dev)
        drv = dev->driver;
        if (drv) {
                driver_sysfs_remove(dev);
-               sysfs_remove_link(&dev->kobj, "driver");
 
                if (dev->bus)
                        blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
@@ -311,7 +319,7 @@ static void __device_release_driver(struct device *dev)
                        drv->remove(dev);
                devres_release_all(dev);
                dev->driver = NULL;
-               klist_remove(&dev->knode_driver);
+               klist_remove(&dev->p->knode_driver);
        }
 }
 
@@ -341,6 +349,7 @@ EXPORT_SYMBOL_GPL(device_release_driver);
  */
 void driver_detach(struct device_driver *drv)
 {
+       struct device_private *dev_prv;
        struct device *dev;
 
        for (;;) {
@@ -349,8 +358,10 @@ void driver_detach(struct device_driver *drv)
                        spin_unlock(&drv->p->klist_devices.k_lock);
                        break;
                }
-               dev = list_entry(drv->p->klist_devices.k_list.prev,
-                               struct device, knode_driver.n_node);
+               dev_prv = list_entry(drv->p->klist_devices.k_list.prev,
+                                    struct device_private,
+                                    knode_driver.n_node);
+               dev = dev_prv->device;
                get_device(dev);
                spin_unlock(&drv->p->klist_devices.k_lock);