tree 25c0498b3a25a39f65914396feea32ea4d4d8eef
parent 6c005961c15ff85fe1047c197d50b843567c89f8
author Ursula Braun <ursula.braun@de.ibm.com> 1245141042 +0200
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1245141077 +0200

[S390] pm: iucv power management callbacks.

Patch calls the PM callback functions of iucv-bus devices, which are
responsible for removal of their established iucv pathes.

The PM freeze callback for the first iucv-bus device disables all iucv
interrupts except the connection severed interrupt.
The PM freeze callback for the last iucv-bus device shuts down iucv.

The PM thaw callback for the first iucv-bus device re-enables iucv
if it has been shut down during freeze. If freezing has been interrupted,
it re-enables iucv interrupts according to the needs of iucv-exploiters.

The PM restore callback for the first iucv-bus device re-enables iucv.

Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>