mei: bus: add client protocol version to the device alias

The device alias now looks like mei:S:uuid:N:*
In that way we can bind different drivers to clients with
different protocol versions if required.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 5e8a0ad22cbc..6975cbf1435b 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -601,11 +601,13 @@ struct ipack_device_id {
 
 #define MEI_CL_MODULE_PREFIX "mei:"
 #define MEI_CL_NAME_SIZE 32
+#define MEI_CL_VERSION_ANY 0xff
 
 /**
  * struct mei_cl_device_id - MEI client device identifier
  * @name: helper name
  * @uuid: client uuid
+ * @version: client protocol version
  * @driver_info: information used by the driver.
  *
  * identifies mei client device by uuid and name
@@ -613,6 +615,7 @@ struct ipack_device_id {
 struct mei_cl_device_id {
         char name[MEI_CL_NAME_SIZE];
         uuid_le uuid;
+        __u8    version;
         kernel_ulong_t driver_info;
 };