[PATCH] virtio/s390: fixup for implement PM operations for virtio_ccw

[Christian Borntraeger <borntraeger@de.ibm.com>]

We need to disable the pm callbacks if CONFIG_PM is not set.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---
Cornelia, you might want to squash this into the original commit.

 drivers/s390/virtio/virtio_ccw.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index 330b3fa3430a..985184ebda45 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -1315,6 +1315,7 @@ static struct ccw_device_id virtio_ids[] = {
 	{},
 };
 
+#ifdef CONFIG_PM_SLEEP
 static int virtio_ccw_freeze(struct ccw_device *cdev)
 {
 	struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);
@@ -1333,6 +1334,7 @@ static int virtio_ccw_restore(struct ccw_device *cdev)
 
 	return virtio_device_restore(&vcdev->vdev);
 }
+#endif
 
 static struct ccw_driver virtio_ccw_driver = {
 	.driver = {
@@ -1346,9 +1348,11 @@ static struct ccw_driver virtio_ccw_driver = {
 	.set_online = virtio_ccw_online,
 	.notify = virtio_ccw_cio_notify,
 	.int_class = IRQIO_VIR,
+#ifdef CONFIG_PM_SLEEP
 	.freeze = virtio_ccw_freeze,
 	.thaw = virtio_ccw_restore,
 	.restore = virtio_ccw_restore,
+#endif
 };
 
 static int __init pure_hex(char **cp, unsigned int *val, int min_digit,
-- 
2.13.4