diff options
Diffstat (limited to 'drivers/s390/crypto/ap_queue.c')
| -rw-r--r-- | drivers/s390/crypto/ap_queue.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index 9cb997cffa61..0eaf1d04e8df 100644 --- a/drivers/s390/crypto/ap_queue.c +++ b/drivers/s390/crypto/ap_queue.c @@ -201,31 +201,6 @@ static enum ap_wait ap_sm_read(struct ap_queue *aq) } /** - * ap_sm_suspend_read(): Receive pending reply messages from an AP queue - * without changing the device state in between. In suspend mode we don't - * allow sending new requests, therefore just fetch pending replies. - * @aq: pointer to the AP queue - * - * Returns AP_WAIT_NONE or AP_WAIT_AGAIN - */ -static enum ap_wait ap_sm_suspend_read(struct ap_queue *aq) -{ - struct ap_queue_status status; - - if (!aq->reply) - return AP_WAIT_NONE; - status = ap_sm_recv(aq); - switch (status.response_code) { - case AP_RESPONSE_NORMAL: - if (aq->queue_count > 0) - return AP_WAIT_AGAIN; - fallthrough; - default: - return AP_WAIT_NONE; - } -} - -/** * ap_sm_write(): Send messages from the request queue to an AP queue. * @aq: pointer to the AP queue * @@ -417,10 +392,6 @@ static ap_func_t *ap_jumptable[NR_AP_STATES][NR_AP_EVENTS] = { [AP_EVENT_POLL] = ap_sm_read, [AP_EVENT_TIMEOUT] = ap_sm_reset, }, - [AP_STATE_SUSPEND_WAIT] = { - [AP_EVENT_POLL] = ap_sm_suspend_read, - [AP_EVENT_TIMEOUT] = ap_sm_nop, - }, [AP_STATE_REMOVE] = { [AP_EVENT_POLL] = ap_sm_nop, [AP_EVENT_TIMEOUT] = ap_sm_nop, @@ -450,28 +421,6 @@ enum ap_wait ap_sm_event_loop(struct ap_queue *aq, enum ap_event event) } /* - * Power management for queue devices - */ -void ap_queue_suspend(struct ap_device *ap_dev) -{ - struct ap_queue *aq = to_ap_queue(&ap_dev->device); - - /* Poll on the device until all requests are finished. */ - spin_lock_bh(&aq->lock); - aq->state = AP_STATE_SUSPEND_WAIT; - while (ap_sm_event(aq, AP_EVENT_POLL) != AP_WAIT_NONE) - ; - aq->state = AP_STATE_BORKED; - spin_unlock_bh(&aq->lock); -} -EXPORT_SYMBOL(ap_queue_suspend); - -void ap_queue_resume(struct ap_device *ap_dev) -{ -} -EXPORT_SYMBOL(ap_queue_resume); - -/* * AP queue related attributes. */ static ssize_t request_count_show(struct device *dev, |