s390/cio: suppress 2nd path verification during resume

Do not trigger a path verification in the subchannel event
function during resume from hibernate. This will be started
by the pm_restore callback later.

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

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index fc916f5d7314..fd3143c291c6 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1424,7 +1424,7 @@ static enum io_sch_action sch_get_action(struct subchannel *sch)
         }
         if (device_is_disconnected(cdev))
                 return IO_SCH_REPROBE;
-        if (cdev->online)
+        if (cdev->online && !cdev->private->flags.resuming)
                 return IO_SCH_VERIFY;
         if (cdev->private->state == DEV_STATE_NOT_OPER)
                 return IO_SCH_UNREG_ATTACH;
@@ -1469,12 +1469,6 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
                 rc = 0;
                 goto out_unlock;
         case IO_SCH_VERIFY:
-                if (cdev->private->flags.resuming == 1) {
-                        if (cio_enable_subchannel(sch, (u32)(addr_t)sch)) {
-                                ccw_device_set_notoper(cdev);
-                                break;
-                        }
-                }
                 /* Trigger path verification. */
                 io_subchannel_verify(sch);
                 rc = 0;