X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Fbus.c;h=8b0d4b7d188a4b2cae701f50459cd80f39fd4a63;hb=0b61a2ba5dfd1620731e717d686e6ade657fd975;hp=1b4cf984b081d0f0a697d139d1df0c1d281fe31e;hpb=877c357e7511395bc923ec9efc2e8b021a17ed79;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 1b4cf984b08..8b0d4b7d188 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -122,6 +122,31 @@ int acpi_bus_get_status(struct acpi_device *device)
 
 EXPORT_SYMBOL(acpi_bus_get_status);
 
+void acpi_bus_private_data_handler(acpi_handle handle,
+				   u32 function, void *context)
+{
+	return;
+}
+EXPORT_SYMBOL(acpi_bus_private_data_handler);
+
+int acpi_bus_get_private_data(acpi_handle handle, void **data)
+{
+	acpi_status status = AE_OK;
+
+	if (!*data)
+		return -EINVAL;
+
+	status = acpi_get_data(handle, acpi_bus_private_data_handler, data);
+	if (ACPI_FAILURE(status) || !*data) {
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No context for object [%p]\n",
+				handle));
+		return -ENODEV;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(acpi_bus_get_private_data);
+
 /* --------------------------------------------------------------------------
                                  Power Management
    -------------------------------------------------------------------------- */
@@ -366,7 +391,6 @@ int acpi_bus_receive_event(struct acpi_bus_event *event)
 	return 0;
 }
 
-EXPORT_SYMBOL(acpi_bus_receive_event);
 #endif	/* CONFIG_ACPI_PROC_EVENT */
 
 /* --------------------------------------------------------------------------