[S390] zcrypt: module unload fixes.

[Martin Schwidefsky <schwidefsky@de.ibm.com>]

From: Ralph Wuerthner <rwuerthn@de.ibm.com>

[S390] zcrypt: module unload fixes.

Add code to reset all queues for a domain and add missing tasklet_kill
call to ap bus module exit code.

Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

 drivers/s390/crypto/ap_bus.c |   14 ++++++++++++--
 1 files changed, 12 insertions(+), 2 deletions(-)

diff -urpN linux-2.6/drivers/s390/crypto/ap_bus.c linux-2.6-patched/drivers/s390/crypto/ap_bus.c
--- linux-2.6/drivers/s390/crypto/ap_bus.c	2006-12-15 16:54:55.000000000 +0100
+++ linux-2.6-patched/drivers/s390/crypto/ap_bus.c	2006-12-15 16:55:08.000000000 +0100
@@ -1129,7 +1129,15 @@ static void ap_poll_thread_stop(void)
 	mutex_unlock(&ap_poll_thread_mutex);
 }
 
-static void ap_reset(void)
+static void ap_reset_domain(void)
+{
+	int i;
+
+	for (i = 0; i < AP_DEVICES; i++)
+		ap_reset_queue(AP_MKQID(i, ap_domain_index));
+}
+
+static void ap_reset_all(void)
 {
 	int i, j;
 
@@ -1139,7 +1147,7 @@ static void ap_reset(void)
 }
 
 static struct reset_call ap_reset_call = {
-	.fn = ap_reset,
+	.fn = ap_reset_all,
 };
 
 /**
@@ -1229,10 +1237,12 @@ void ap_module_exit(void)
 	int i;
 	struct device *dev;
 
+	ap_reset_domain();
 	ap_poll_thread_stop();
 	del_timer_sync(&ap_config_timer);
 	del_timer_sync(&ap_poll_timer);
 	destroy_workqueue(ap_work_queue);
+	tasklet_kill(&ap_tasklet);
 	s390_root_dev_unregister(ap_root_device);
 	while ((dev = bus_find_device(&ap_bus_type, NULL, NULL,
 		    __ap_match_all)))
-
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