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path: root/drivers/s390/cio/qdio_thinint.c
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Diffstat (limited to 'drivers/s390/cio/qdio_thinint.c')
-rw-r--r--drivers/s390/cio/qdio_thinint.c61
1 files changed, 27 insertions, 34 deletions
diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c
index ae50373617cd..7a440e4328cd 100644
--- a/drivers/s390/cio/qdio_thinint.c
+++ b/drivers/s390/cio/qdio_thinint.c
@@ -197,47 +197,21 @@ out:
return rc;
}
-/* allocate non-shared indicators and shared indicator */
-int __init tiqdio_allocate_memory(void)
-{
- q_indicators = kcalloc(TIQDIO_NR_INDICATORS,
- sizeof(struct indicator_t),
- GFP_KERNEL);
- if (!q_indicators)
- return -ENOMEM;
- return 0;
-}
-
-void tiqdio_free_memory(void)
-{
- kfree(q_indicators);
-}
-
-int __init tiqdio_register_thinints(void)
+int qdio_establish_thinint(struct qdio_irq *irq_ptr)
{
int rc;
- rc = register_adapter_interrupt(&tiqdio_airq);
- if (rc) {
- DBF_EVENT("RTI:%x", rc);
- return rc;
- }
- return 0;
-}
-
-int qdio_establish_thinint(struct qdio_irq *irq_ptr)
-{
if (!is_thinint_irq(irq_ptr))
return 0;
- return set_subchannel_ind(irq_ptr, 0);
-}
-void qdio_setup_thinint(struct qdio_irq *irq_ptr)
-{
- if (!is_thinint_irq(irq_ptr))
- return;
irq_ptr->dsci = get_indicator();
DBF_HEX(&irq_ptr->dsci, sizeof(void *));
+
+ rc = set_subchannel_ind(irq_ptr, 0);
+ if (rc)
+ put_indicator(irq_ptr->dsci);
+
+ return rc;
}
void qdio_shutdown_thinint(struct qdio_irq *irq_ptr)
@@ -250,8 +224,27 @@ void qdio_shutdown_thinint(struct qdio_irq *irq_ptr)
put_indicator(irq_ptr->dsci);
}
-void __exit tiqdio_unregister_thinints(void)
+int __init qdio_thinint_init(void)
+{
+ int rc;
+
+ q_indicators = kcalloc(TIQDIO_NR_INDICATORS, sizeof(struct indicator_t),
+ GFP_KERNEL);
+ if (!q_indicators)
+ return -ENOMEM;
+
+ rc = register_adapter_interrupt(&tiqdio_airq);
+ if (rc) {
+ DBF_EVENT("RTI:%x", rc);
+ kfree(q_indicators);
+ return rc;
+ }
+ return 0;
+}
+
+void __exit qdio_thinint_exit(void)
{
WARN_ON(!list_empty(&tiq_list));
unregister_adapter_interrupt(&tiqdio_airq);
+ kfree(q_indicators);
}