[S390] cio: Rework css driver.
authorCornelia Huck <cornelia.huck@de.ibm.com>
Mon, 14 Jul 2008 07:58:45 +0000 (09:58 +0200)
committerHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 14 Jul 2008 08:02:05 +0000 (10:02 +0200)
Rework the css driver methods to provide sane callbacks for
subchannels of all types.

As a bonus, this cleans up and simplyfies the machine check
handling for I/O subchannels a lot.

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

No differences found