greybus: add a connection->private field

This will be used for driver-specific data for whatever drives the
other end of the connection.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

diff --git a/drivers/staging/greybus/connection.h b/drivers/staging/greybus/connection.h
index 15bdc81..f2588a7 100644 (file)
--- a/drivers/staging/greybus/connection.h
+++ b/drivers/staging/greybus/connection.h
@@ -25,6 +25,8 @@ struct gb_connection {
 
        struct list_head                operations;
        atomic_t                        op_cycle;
+
+       void                            *private;
 };
 
 struct gb_connection *gb_connection_create(struct gb_interface *interface,