1 files changed, 25 insertions, 18 deletions

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 31218e1d2a18..9271e5209ac1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -78,7 +78,7 @@ static struct kobj_type ktype_acpi_ns = {
         .release = acpi_device_release,
 };
 
-static int namespace_hotplug(struct kset *kset, struct kobject *kobj,
+static int namespace_uevent(struct kset *kset, struct kobject *kobj,
                              char **envp, int num_envp, char *buffer,
                              int buffer_size)
 {
@@ -89,8 +89,8 @@ static int namespace_hotplug(struct kset *kset, struct kobject *kobj,
         if (!dev->driver)
                 return 0;
 
-        if (add_hotplug_env_var(envp, num_envp, &i, buffer, buffer_size, &len,
-                                "PHYSDEVDRIVER=%s", dev->driver->name))
+        if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
+                           "PHYSDEVDRIVER=%s", dev->driver->name))
                 return -ENOMEM;
 
         envp[i] = NULL;
@@ -98,8 +98,8 @@ static int namespace_hotplug(struct kset *kset, struct kobject *kobj,
         return 0;
 }
 
-static struct kset_hotplug_ops namespace_hotplug_ops = {
-        .hotplug = &namespace_hotplug,
+static struct kset_uevent_ops namespace_uevent_ops = {
+        .uevent = &namespace_uevent,
 };
 
 static struct kset acpi_namespace_kset = {
@@ -108,7 +108,7 @@ static struct kset acpi_namespace_kset = {
                  },
         .subsys = &acpi_subsys,
         .ktype = &ktype_acpi_ns,
-        .hotplug_ops = &namespace_hotplug_ops,
+        .uevent_ops = &namespace_uevent_ops,
 };
 
 static void acpi_device_register(struct acpi_device *device,
@@ -347,7 +347,7 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
 }
 
 /* --------------------------------------------------------------------------
-                ACPI hotplug sysfs device file support
+                ACPI sysfs device file support
    -------------------------------------------------------------------------- */
 static ssize_t acpi_eject_store(struct acpi_device *device,
                                 const char *buf, size_t count);
@@ -475,8 +475,10 @@ static LIST_HEAD(acpi_bus_drivers);
 static DECLARE_MUTEX(acpi_bus_drivers_lock);
 
 /**
- * acpi_bus_match 
- * --------------
+ * acpi_bus_match - match device IDs to driver's supported IDs
+ * @device: the device that we are trying to match to a driver
+ * @driver: driver whose device id table is being checked
+ *
  * Checks the device's hardware (_HID) or compatible (_CID) ids to see if it
  * matches the specified driver's criteria.
  */
@@ -489,8 +491,10 @@ acpi_bus_match(struct acpi_device *device, struct acpi_driver *driver)
 }
 
 /**
- * acpi_bus_driver_init 
- * --------------------
+ * acpi_bus_driver_init - add a device to a driver
+ * @device: the device to add and initialize
+ * @driver: driver for the device
+ *
  * Used to initialize a device via its device driver.  Called whenever a 
  * driver is bound to a device.  Invokes the driver's add() and start() ops.
  */
@@ -603,8 +607,9 @@ static int acpi_driver_detach(struct acpi_driver *drv)
 }
 
 /**
- * acpi_bus_register_driver 
- * ------------------------ 
+ * acpi_bus_register_driver - register a driver with the ACPI bus
+ * @driver: driver being registered
+ *
  * Registers a driver with the ACPI bus.  Searches the namespace for all
  * devices that match the driver's criteria and binds.  Returns the
  * number of devices that were claimed by the driver, or a negative
@@ -633,8 +638,9 @@ int acpi_bus_register_driver(struct acpi_driver *driver)
 EXPORT_SYMBOL(acpi_bus_register_driver);
 
 /**
- * acpi_bus_unregister_driver 
- * --------------------------
+ * acpi_bus_unregister_driver - unregisters a driver with the APIC bus
+ * @driver: driver to unregister
+ *
  * Unregisters a driver with the ACPI bus.  Searches the namespace for all
  * devices that match the driver's criteria and unbinds.
  */
@@ -660,8 +666,9 @@ int acpi_bus_unregister_driver(struct acpi_driver *driver)
 EXPORT_SYMBOL(acpi_bus_unregister_driver);
 
 /**
- * acpi_bus_find_driver 
- * --------------------
+ * acpi_bus_find_driver - check if there is a driver installed for the device
+ * @device: device that we are trying to find a supporting driver for
+ *
  * Parses the list of registered drivers looking for a driver applicable for
  * the specified device.
  */
@@ -844,7 +851,7 @@ static void acpi_device_set_id(struct acpi_device *device,
          * ----
          * Fix for the system root bus device -- the only root-level device.
          */
-        if ((parent == ACPI_ROOT_OBJECT) && (type == ACPI_BUS_TYPE_DEVICE)) {
+        if (((acpi_handle)parent == ACPI_ROOT_OBJECT) && (type == ACPI_BUS_TYPE_DEVICE)) {
                 hid = ACPI_BUS_HID;
                 strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME);
                 strcpy(device->pnp.device_class, ACPI_BUS_CLASS);