tree bfe935769fcb4c647a3add3587c088b9f835cac7
parent 0ad8f714a135cf993606c21fc1ed0e303ef17c0d
author Sebastian Ott <sebott@linux.vnet.ibm.com> 1365851281 +0200
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1366200454 +0200

s390/css: move subchannel lock allocation

cio_validate_subchannel is used to do some basic checks to find out
if it's worth to further investigate a subchannel. Move the allocation
and initialization of the subchannels locks to css_alloc_subchannel.

Clean up the functions involved while at it.

Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>