[S390] cio: Use dev_{g,s}et_drvdata().

Also define helpers sch_{g,s}et_cdev() to make the intention more
clear.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 13 insertions, 13 deletions

diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 4804d944fb4d..669e6a75f54f 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -32,9 +32,9 @@ device_is_online(struct subchannel *sch)
 {
         struct ccw_device *cdev;
 
-        if (!sch->dev.driver_data)
+        cdev = sch_get_cdev(sch);
+        if (!cdev)
                 return 0;
-        cdev = sch->dev.driver_data;
         return (cdev->private->state == DEV_STATE_ONLINE);
 }
 
@@ -43,9 +43,9 @@ device_is_disconnected(struct subchannel *sch)
 {
         struct ccw_device *cdev;
 
-        if (!sch->dev.driver_data)
+        cdev = sch_get_cdev(sch);
+        if (!cdev)
                 return 0;
-        cdev = sch->dev.driver_data;
         return (cdev->private->state == DEV_STATE_DISCONNECTED ||
                 cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID);
 }
@@ -55,9 +55,9 @@ device_set_disconnected(struct subchannel *sch)
 {
         struct ccw_device *cdev;
 
-        if (!sch->dev.driver_data)
+        cdev = sch_get_cdev(sch);
+        if (!cdev)
                 return;
-        cdev = sch->dev.driver_data;
         ccw_device_set_timeout(cdev, 0);
         cdev->private->flags.fake_irb = 0;
         cdev->private->state = DEV_STATE_DISCONNECTED;
@@ -67,7 +67,7 @@ void device_set_intretry(struct subchannel *sch)
 {
         struct ccw_device *cdev;
 
-        cdev = sch->dev.driver_data;
+        cdev = sch_get_cdev(sch);
         if (!cdev)
                 return;
         cdev->private->flags.intretry = 1;
@@ -77,7 +77,7 @@ int device_trigger_verify(struct subchannel *sch)
 {
         struct ccw_device *cdev;
 
-        cdev = sch->dev.driver_data;
+        cdev = sch_get_cdev(sch);
         if (!cdev || !cdev->online)
                 return -EINVAL;
         dev_fsm_event(cdev, DEV_EVENT_VERIFY);
@@ -175,9 +175,9 @@ device_kill_pending_timer(struct subchannel *sch)
 {
         struct ccw_device *cdev;
 
-        if (!sch->dev.driver_data)
+        cdev = sch_get_cdev(sch);
+        if (!cdev)
                 return;
-        cdev = sch->dev.driver_data;
         ccw_device_set_timeout(cdev, 0);
 }
 
@@ -992,7 +992,7 @@ void device_kill_io(struct subchannel *sch)
         int ret;
         struct ccw_device *cdev;
 
-        cdev = sch->dev.driver_data;
+        cdev = sch_get_cdev(sch);
         ret = ccw_device_cancel_halt_clear(cdev);
         if (ret == -EBUSY) {
                 ccw_device_set_timeout(cdev, 3*HZ);
@@ -1062,9 +1062,9 @@ device_trigger_reprobe(struct subchannel *sch)
 {
         struct ccw_device *cdev;
 
-        if (!sch->dev.driver_data)
+        cdev = sch_get_cdev(sch);
+        if (!cdev)
                 return;
-        cdev = sch->dev.driver_data;
         if (cdev->private->state != DEV_STATE_DISCONNECTED)
                 return;