diff -aur linux-2.6.11.7/drivers/acpi/bus.c linux-2.6.11-x/drivers/acpi/bus.c
--- linux-2.6.11.7/drivers/acpi/bus.c	2005-04-07 20:57:44.000000000 +0200
+++ linux-2.6.11-x/drivers/acpi/bus.c	2005-03-29 12:21:10.000000000 +0200
@@ -53,11 +53,56 @@
 
 #define STRUCT_TO_INT(s)	(*((int*)&s))
 
+static int
+acpi_bus_check_device (
+	struct acpi_device	*device,
+	int			*status_changed);
+
 /* --------------------------------------------------------------------------
                                 Device Management
    -------------------------------------------------------------------------- */
 
 int
+acpi_bus_eject_device (
+	struct acpi_device	*device)
+{
+	acpi_status             status = 0;
+	union acpi_object	arg = {ACPI_TYPE_INTEGER};
+	struct acpi_object_list	arg_list = {1, &arg};
+	
+	ACPI_FUNCTION_TRACE("acpi_bus_eject_device");
+	
+	if (!device)
+		return_VALUE(-EINVAL);
+
+	/*
+	 * Make sure this device's parent is present before we go about
+	 * messing with the device.
+	 */
+	if (device->parent && !device->parent->status.present) {
+		return_VALUE(0);
+	}
+
+	status = acpi_bus_get_status(device);
+	if (ACPI_FAILURE(status))
+		return_VALUE(-ENODEV);
+	
+	arg.integer.value = 1;
+	
+	
+	status = acpi_evaluate_object(device->handle, "_EJ0", &arg_list, NULL);
+	if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) {
+		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _EJ0\n"));
+		return_VALUE(-ENODEV);
+	}
+
+	acpi_bus_check_device(device, NULL);
+	
+	return_VALUE(0);
+}
+EXPORT_SYMBOL(acpi_bus_eject_device);
+
+int
 acpi_bus_get_device (
 	acpi_handle		handle,
 	struct acpi_device	**device)
@@ -376,6 +421,7 @@
                              Notification Handling
    -------------------------------------------------------------------------- */
 
+
 static int
 acpi_bus_check_device (
 	struct acpi_device	*device,
diff -aur linux-2.6.11.7/drivers/acpi/scan.c linux-2.6.11-x/drivers/acpi/scan.c
--- linux-2.6.11.7/drivers/acpi/scan.c	2005-04-07 20:57:34.000000000 +0200
+++ linux-2.6.11-x/drivers/acpi/scan.c	2005-03-26 17:28:56.000000000 +0100
@@ -543,7 +543,7 @@
 	list_for_each_safe(node, next, &acpi_device_list) {
 		struct acpi_device * dev = container_of(node, struct acpi_device, g_list);
 
-		if (dev->driver || !dev->status.present)
+		if (dev->driver/*|| !dev->status.present*/)
 			continue;
 		spin_unlock(&acpi_device_lock);
 
@@ -1023,7 +1023,7 @@
 	switch (type) {
 	case ACPI_BUS_TYPE_DEVICE:
 		result = acpi_bus_get_status(device);
-		if (ACPI_FAILURE(result) || !device->status.present) {
+		if (ACPI_FAILURE(result)) { /* || !device->status.present) {*/
 			result = -ENOENT;
 			goto end;
 		}
diff -aur linux-2.6.11.7/include/acpi/acpi_bus.h linux-2.6.11-x/include/acpi/acpi_bus.h
--- linux-2.6.11.7/include/acpi/acpi_bus.h	2005-04-07 20:58:46.000000000 +0200
+++ linux-2.6.11-x/include/acpi/acpi_bus.h	2005-03-29 12:17:56.000000000 +0200
@@ -331,6 +331,7 @@
 int acpi_bus_trim(struct acpi_device *start, int rmdevice);
 int acpi_bus_add (struct acpi_device **child, struct acpi_device *parent,
 		acpi_handle handle, int type);
+int acpi_bus_eject_device (struct acpi_device *device);
 
 
 int acpi_match_ids (struct acpi_device	*device, char	*ids);