From: Julian Wiedmann <jwi@linux.ibm.com>
Date: Thu, 2 Apr 2020 11:37:50 +0200
Subject: s390/qdio: consolidate thinint init/exit
Git-commit: 3050f022df6a08cb3c968b9be01c163092c568d3
Patch-mainline: v5.8-rc1
References: jsc#SLE-13690

Wrap the init/exit steps for thinint into a single helper that follows
the established naming scheme.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Steffen Maier <maier@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/s390/cio/qdio.h         |  6 ++---
 drivers/s390/cio/qdio_main.c    | 10 ++-------
 drivers/s390/cio/qdio_thinint.c | 49 +++++++++++++++++------------------------
 3 files changed, 24 insertions(+), 41 deletions(-)

diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index a2afd7bc100b..291b63ccdaf7 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -369,10 +369,8 @@ void qdio_shutdown_thinint(struct qdio_irq *irq_ptr);
 void tiqdio_add_device(struct qdio_irq *irq_ptr);
 void tiqdio_remove_device(struct qdio_irq *irq_ptr);
 void tiqdio_inbound_processing(unsigned long q);
-int tiqdio_allocate_memory(void);
-void tiqdio_free_memory(void);
-int tiqdio_register_thinints(void);
-void tiqdio_unregister_thinints(void);
+int qdio_thinint_init(void);
+void qdio_thinint_exit(void);
 int test_nonshared_ind(struct qdio_irq *);
 
 /* prototypes for setup */
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 80cc811bd2e0..2abb1d2a0629 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -1861,16 +1861,11 @@ static int __init init_QDIO(void)
 	rc = qdio_setup_init();
 	if (rc)
 		goto out_debug;
-	rc = tiqdio_allocate_memory();
+	rc = qdio_thinint_init();
 	if (rc)
 		goto out_cache;
-	rc = tiqdio_register_thinints();
-	if (rc)
-		goto out_ti;
 	return 0;
 
-out_ti:
-	tiqdio_free_memory();
 out_cache:
 	qdio_setup_exit();
 out_debug:
@@ -1880,8 +1875,7 @@ static int __init init_QDIO(void)
 
 static void __exit exit_QDIO(void)
 {
-	tiqdio_unregister_thinints();
-	tiqdio_free_memory();
+	qdio_thinint_exit();
 	qdio_setup_exit();
 	qdio_debug_exit();
 }
diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c
index 0faa0ad21732..7a440e4328cd 100644
--- a/drivers/s390/cio/qdio_thinint.c
+++ b/drivers/s390/cio/qdio_thinint.c
@@ -197,34 +197,6 @@ static int set_subchannel_ind(struct qdio_irq *irq_ptr, int reset)
 	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 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)
 {
 	int rc;
@@ -252,8 +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);
 }