kobject: convert icom to use kref, not kobject

The IBM icom serial driver is using a kobject only for reference
counting, nothing else.  So switch it to use a kref instead, which is
all that is needed, and is much smaller.

Cc: Anton Blanchard <anton@au.ibm.com>
Cc: Paul Mackerras <paulus@au.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ryan S. Arnold <rsa@us.ibm.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/serial/icom.h b/drivers/serial/icom.h
index e8578d8cd35e..027455496745 100644
--- a/drivers/serial/icom.h
+++ b/drivers/serial/icom.h
@@ -270,7 +270,7 @@ struct icom_adapter {
 #define V2_ONE_PORT_RVX_ONE_PORT_IMBED_MDM      0x0251
         int numb_ports;
         struct list_head icom_adapter_entry;
-        struct kobject kobj;
+        struct kref kref;
 };
 
 /* prototype */