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path: root/drivers/s390/cio/device.c
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Diffstat (limited to 'drivers/s390/cio/device.c')
-rw-r--r--drivers/s390/cio/device.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index b7eaff9ca19..e50b12163af 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -172,9 +172,11 @@ static int io_subchannel_settle(void)
}
static struct css_driver io_subchannel_driver = {
- .owner = THIS_MODULE,
+ .drv = {
+ .owner = THIS_MODULE,
+ .name = "io_subchannel",
+ },
.subchannel_type = io_subchannel_ids,
- .name = "io_subchannel",
.irq = io_subchannel_irq,
.sch_event = io_subchannel_sch_event,
.chp_event = io_subchannel_chp_event,
@@ -1030,6 +1032,7 @@ static void io_subchannel_init_fields(struct subchannel *sch)
*/
static int io_subchannel_probe(struct subchannel *sch)
{
+ struct io_subchannel_private *io_priv;
struct ccw_device *cdev;
int rc;
@@ -1073,10 +1076,11 @@ static int io_subchannel_probe(struct subchannel *sch)
if (rc)
goto out_schedule;
/* Allocate I/O subchannel private data. */
- sch->private = kzalloc(sizeof(struct io_subchannel_private),
- GFP_KERNEL | GFP_DMA);
- if (!sch->private)
+ io_priv = kzalloc(sizeof(*io_priv), GFP_KERNEL | GFP_DMA);
+ if (!io_priv)
goto out_schedule;
+
+ set_io_private(sch, io_priv);
css_schedule_eval(sch->schid);
return 0;
@@ -1090,6 +1094,7 @@ out_schedule:
static int
io_subchannel_remove (struct subchannel *sch)
{
+ struct io_subchannel_private *io_priv = to_io_private(sch);
struct ccw_device *cdev;
cdev = sch_get_cdev(sch);
@@ -1099,11 +1104,12 @@ io_subchannel_remove (struct subchannel *sch)
/* Set ccw device to not operational and drop reference. */
spin_lock_irq(cdev->ccwlock);
sch_set_cdev(sch, NULL);
+ set_io_private(sch, NULL);
cdev->private->state = DEV_STATE_NOT_OPER;
spin_unlock_irq(cdev->ccwlock);
ccw_device_unregister(cdev);
out_free:
- kfree(sch->private);
+ kfree(io_priv);
sysfs_remove_group(&sch->dev.kobj, &io_subchannel_attr_group);
return 0;
}
@@ -1553,11 +1559,12 @@ spinlock_t * cio_get_console_lock(void)
static int ccw_device_console_enable(struct ccw_device *cdev,
struct subchannel *sch)
{
+ struct io_subchannel_private *io_priv = cio_get_console_priv();
int rc;
/* Attach subchannel private data. */
- sch->private = cio_get_console_priv();
- memset(sch->private, 0, sizeof(struct io_subchannel_private));
+ memset(io_priv, 0, sizeof(*io_priv));
+ set_io_private(sch, io_priv);
io_subchannel_init_fields(sch);
rc = cio_commit_config(sch);
if (rc)