qeth: fix build of s390 allmodconfig

commit 949efd1c "qeth: bridgeport support - basic control" broke
s390 allmodconfig. This patch fixes this by eliminating one of the
cross-module calls, and by making two other calls via function
pointers in the qeth_discipline structure.

Signed-off-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index c1b0b27..0f43042 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3593,6 +3593,13 @@
 	return rc;
 }
 
+/* Returns zero if the command is successfully "consumed" */
+static int qeth_l3_control_event(struct qeth_card *card,
+					struct qeth_ipa_cmd *cmd)
+{
+	return 1;
+}
+
 struct qeth_discipline qeth_l3_discipline = {
 	.start_poll = qeth_qdio_start_poll,
 	.input_handler = (qdio_handler_t *) qeth_qdio_input_handler,
@@ -3606,6 +3613,7 @@
 	.freeze = qeth_l3_pm_suspend,
 	.thaw = qeth_l3_pm_resume,
 	.restore = qeth_l3_pm_resume,
+	.control_event_handler = qeth_l3_control_event,
 };
 EXPORT_SYMBOL_GPL(qeth_l3_discipline);