[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>
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 30fe59c..933f763 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -773,7 +773,7 @@
{
css_update_ssd_info(sch);
spin_lock_irq(sch->lock);
- sch->dev.driver_data = cdev;
+ sch_set_cdev(sch, cdev);
cdev->private->schid = sch->schid;
cdev->ccwlock = sch->lock;
device_trigger_reprobe(sch);
@@ -795,7 +795,7 @@
put_device(&other_sch->dev);
return;
}
- other_sch->dev.driver_data = NULL;
+ sch_set_cdev(other_sch, NULL);
/* No need to keep a subchannel without ccw device around. */
css_sch_device_unregister(other_sch);
put_device(&other_sch->dev);
@@ -831,12 +831,12 @@
return;
}
spin_lock_irq(sch->lock);
- sch->dev.driver_data = cdev;
+ sch_set_cdev(sch, cdev);
spin_unlock_irq(sch->lock);
/* Start recognition for the new ccw device. */
if (io_subchannel_recog(cdev, sch)) {
spin_lock_irq(sch->lock);
- sch->dev.driver_data = NULL;
+ sch_set_cdev(sch, NULL);
spin_unlock_irq(sch->lock);
if (cdev->dev.release)
cdev->dev.release(&cdev->dev);
@@ -940,7 +940,7 @@
cdev->private->dev_id.devno, ret);
put_device(&cdev->dev);
spin_lock_irqsave(sch->lock, flags);
- sch->dev.driver_data = NULL;
+ sch_set_cdev(sch, NULL);
spin_unlock_irqrestore(sch->lock, flags);
kfree (cdev->private);
kfree (cdev);
@@ -1022,7 +1022,7 @@
int rc;
struct ccw_device_private *priv;
- sch->dev.driver_data = cdev;
+ sch_set_cdev(sch, cdev);
sch->driver = &io_subchannel_driver;
cdev->ccwlock = sch->lock;
@@ -1082,7 +1082,7 @@
}
if (former_parent) {
spin_lock_irq(former_parent->lock);
- former_parent->dev.driver_data = NULL;
+ sch_set_cdev(former_parent, NULL);
spin_unlock_irq(former_parent->lock);
css_sch_device_unregister(former_parent);
/* Reset intparm to zeroes. */
@@ -1100,7 +1100,7 @@
{
struct ccw_device *cdev;
- cdev = sch->dev.driver_data;
+ cdev = sch_get_cdev(sch);
CIO_TRACE_EVENT(3, "IRQ");
CIO_TRACE_EVENT(3, sch->dev.bus_id);
@@ -1116,13 +1116,13 @@
unsigned long flags;
struct ccw_dev_id dev_id;
- if (sch->dev.driver_data) {
+ cdev = sch_get_cdev(sch);
+ if (cdev) {
/*
* This subchannel already has an associated ccw_device.
* Register it and exit. This happens for all early
* device, e.g. the console.
*/
- cdev = sch->dev.driver_data;
cdev->dev.groups = ccwdev_attr_groups;
device_initialize(&cdev->dev);
ccw_device_register(cdev);
@@ -1173,7 +1173,7 @@
rc = io_subchannel_recog(cdev, sch);
if (rc) {
spin_lock_irqsave(sch->lock, flags);
- sch->dev.driver_data = NULL;
+ sch_set_cdev(sch, NULL);
spin_unlock_irqrestore(sch->lock, flags);
if (cdev->dev.release)
cdev->dev.release(&cdev->dev);
@@ -1189,12 +1189,12 @@
struct ccw_device *cdev;
unsigned long flags;
- if (!sch->dev.driver_data)
+ cdev = sch_get_cdev(sch);
+ if (!cdev)
return 0;
- cdev = sch->dev.driver_data;
/* Set ccw device to not operational and drop reference. */
spin_lock_irqsave(cdev->ccwlock, flags);
- sch->dev.driver_data = NULL;
+ sch_set_cdev(sch, NULL);
cdev->private->state = DEV_STATE_NOT_OPER;
spin_unlock_irqrestore(cdev->ccwlock, flags);
ccw_device_unregister(cdev);
@@ -1207,7 +1207,7 @@
{
struct ccw_device *cdev;
- cdev = sch->dev.driver_data;
+ cdev = sch_get_cdev(sch);
if (!cdev)
return 0;
if (!cdev->drv)
@@ -1221,7 +1221,7 @@
{
struct ccw_device *cdev;
- cdev = sch->dev.driver_data;
+ cdev = sch_get_cdev(sch);
if (cdev)
dev_fsm_event(cdev, DEV_EVENT_VERIFY);
}
@@ -1230,7 +1230,7 @@
{
struct ccw_device *cdev;
- cdev = sch->dev.driver_data;
+ cdev = sch_get_cdev(sch);
if (!cdev)
return;
/* Internal I/O will be retried by the interrupt handler. */
@@ -1248,7 +1248,7 @@
struct ccw_device *cdev;
int ret;
- cdev = sch->dev.driver_data;
+ cdev = sch_get_cdev(sch);
if (cio_is_console(sch->schid))
return;
