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>
diff --git a/drivers/serial/icom.h b/drivers/serial/icom.h
index e8578d8..0274554 100644
--- a/drivers/serial/icom.h
+++ b/drivers/serial/icom.h
@@ -270,7 +270,7 @@
#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 */