mei: bus: export uuid and protocol version to mei_cl bus drivers

Export the uuid and the protocol version of the underlying me client
for me client bus drivers usage.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2 files changed, 29 insertions, 0 deletions

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 38bc4380ad08..53525ca50337 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -342,6 +342,32 @@ void mei_cl_set_drvdata(struct mei_cl_device *cldev, void *data)
 EXPORT_SYMBOL_GPL(mei_cl_set_drvdata);
 
 /**
+ * mei_cldev_uuid - return uuid of the underlying me client
+ *
+ * @cldev: mei client device
+ *
+ * Return: me client uuid
+ */
+const uuid_le *mei_cldev_uuid(const struct mei_cl_device *cldev)
+{
+	return mei_me_cl_uuid(cldev->me_cl);
+}
+EXPORT_SYMBOL_GPL(mei_cldev_uuid);
+
+/**
+ * mei_cldev_ver - return protocol version of the underlying me client
+ *
+ * @cldev: mei client device
+ *
+ * Return: me client protocol version
+ */
+u8 mei_cldev_ver(const struct mei_cl_device *cldev)
+{
+	return mei_me_cl_ver(cldev->me_cl);
+}
+EXPORT_SYMBOL_GPL(mei_cldev_ver);
+
+/**
  * mei_cl_enable_device - enable me client device
  *     create connection with me client
  *
diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h
index 0962b2ca628a..9834f832b098 100644
--- a/include/linux/mei_cl_bus.h
+++ b/include/linux/mei_cl_bus.h
@@ -85,6 +85,9 @@ int mei_cl_register_event_cb(struct mei_cl_device *device,
 #define MEI_CL_EVENT_TX 1
 #define MEI_CL_EVENT_NOTIF 2
 
+const uuid_le *mei_cldev_uuid(const struct mei_cl_device *cldev);
+u8 mei_cldev_ver(const struct mei_cl_device *cldev);
+
 void *mei_cl_get_drvdata(const struct mei_cl_device *device);
 void mei_cl_set_drvdata(struct mei_cl_device *device, void *data);