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path: root/drivers/s390/cio/chsc_sch.c
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Diffstat (limited to 'drivers/s390/cio/chsc_sch.c')
-rw-r--r--drivers/s390/cio/chsc_sch.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c
index 3c3f3ffe2179..09c2ea84a57f 100644
--- a/drivers/s390/cio/chsc_sch.c
+++ b/drivers/s390/cio/chsc_sch.c
@@ -50,7 +50,7 @@ MODULE_LICENSE("GPL");
static void chsc_subchannel_irq(struct subchannel *sch)
{
- struct chsc_private *private = sch->private;
+ struct chsc_private *private = dev_get_drvdata(&sch->dev);
struct chsc_request *request = private->request;
struct irb *irb = (struct irb *)&S390_lowcore.irb;
@@ -80,13 +80,14 @@ static int chsc_subchannel_probe(struct subchannel *sch)
private = kzalloc(sizeof(*private), GFP_KERNEL);
if (!private)
return -ENOMEM;
+ dev_set_drvdata(&sch->dev, private);
ret = cio_enable_subchannel(sch, (u32)(unsigned long)sch);
if (ret) {
CHSC_MSG(0, "Failed to enable 0.%x.%04x: %d\n",
sch->schid.ssid, sch->schid.sch_no, ret);
+ dev_set_drvdata(&sch->dev, NULL);
kfree(private);
} else {
- sch->private = private;
if (dev_get_uevent_suppress(&sch->dev)) {
dev_set_uevent_suppress(&sch->dev, 0);
kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
@@ -100,8 +101,8 @@ static int chsc_subchannel_remove(struct subchannel *sch)
struct chsc_private *private;
cio_disable_subchannel(sch);
- private = sch->private;
- sch->private = NULL;
+ private = dev_get_drvdata(&sch->dev);
+ dev_set_drvdata(&sch->dev, NULL);
if (private->request) {
complete(&private->request->completion);
put_device(&sch->dev);
@@ -241,7 +242,7 @@ static int chsc_async(struct chsc_async_area *chsc_area,
chsc_area->header.key = PAGE_DEFAULT_KEY >> 4;
while ((sch = chsc_get_next_subchannel(sch))) {
spin_lock(sch->lock);
- private = sch->private;
+ private = dev_get_drvdata(&sch->dev);
if (private->request) {
spin_unlock(sch->lock);
ret = -EBUSY;