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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-03 07:53:39 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-03 07:53:39 +0100
commit44c94100b6fa83488337fe639eb7baba7dd93a91 (patch)
treeffc60bdfe3a3f2f20359d2a7df8389f3ecf51d82 /drivers/s390/crypto/ap_queue.c
parent77df6d8d7298fd3fae12a646fd368fdcdb86152c (diff)
parent2595646791c319cadfdbf271563aac97d0843dc7 (diff)
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Merge 4.20-rc5 into usb-next
We need the USB fixes into usb-next. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/s390/crypto/ap_queue.c')
-rw-r--r--drivers/s390/crypto/ap_queue.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 66f7334bcb03..0aa4b3ccc948 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -718,5 +718,20 @@ void ap_queue_remove(struct ap_queue *aq)
{
ap_flush_queue(aq);
del_timer_sync(&aq->timeout);
+
+ /* reset with zero, also clears irq registration */
+ spin_lock_bh(&aq->lock);
+ ap_zapq(aq->qid);
+ aq->state = AP_STATE_BORKED;
+ spin_unlock_bh(&aq->lock);
}
EXPORT_SYMBOL(ap_queue_remove);
+
+void ap_queue_reinit_state(struct ap_queue *aq)
+{
+ spin_lock_bh(&aq->lock);
+ aq->state = AP_STATE_RESET_START;
+ ap_wait(ap_sm_event(aq, AP_EVENT_POLL));
+ spin_unlock_bh(&aq->lock);
+}
+EXPORT_SYMBOL(ap_queue_reinit_state);