[S390] cio: I/O subchannel specific fields.

Some fields may be !0 only for I/O subchannels. Add some checks
where required. Also adapt cio_enable_subchannel() to make the
caller specify the intparm, which makes it more generic.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index d1483d65049c..52afa4c784de 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -60,7 +60,7 @@ struct subchannel {
         enum {
                 SUBCHANNEL_TYPE_IO = 0,
                 SUBCHANNEL_TYPE_CHSC = 1,
-                SUBCHANNEL_TYPE_MESSAGE = 2,
+                SUBCHANNEL_TYPE_MSG = 2,
                 SUBCHANNEL_TYPE_ADM = 3,
         } st;                   /* subchannel type */
 
@@ -85,7 +85,7 @@ struct subchannel {
 #define to_subchannel(n) container_of(n, struct subchannel, dev)
 
 extern int cio_validate_subchannel (struct subchannel *, struct subchannel_id);
-extern int cio_enable_subchannel (struct subchannel *, unsigned int);
+extern int cio_enable_subchannel(struct subchannel *, unsigned int, u32);
 extern int cio_disable_subchannel (struct subchannel *);
 extern int cio_cancel (struct subchannel *);
 extern int cio_clear (struct subchannel *);