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Commit bc615dea authored by Holger Dengler's avatar Holger Dengler Committed by Martin Schwidefsky
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[S390] ap: Setup processing for messages in request queue. 



Setup timer for processing messages in request queue, if sending an AP
message returns with reason code AP_RESPONSE_RESET_IN_PROGRESS.

Signed-off-by: default avatarHolger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 96603b50

drivers/s390/crypto/ap_bus.c

+17 −6
Original line number Diff line number Diff line
@@ -1271,18 +1271,16 @@ ap_config_timeout(unsigned long ptr) 
}



/**

 * ap_schedule_poll_timer(): Schedule poll timer.

 * __ap_schedule_poll_timer(): Schedule poll timer.

 *

 * Set up the timer to run the poll tasklet

 */

static inline void ap_schedule_poll_timer(void)

static inline void __ap_schedule_poll_timer(void)

{

	ktime_t hr_time;



	spin_lock_bh(&ap_poll_timer_lock);

	if (ap_using_interrupts() || ap_suspend_flag)

		goto out;

	if (hrtimer_is_queued(&ap_poll_timer))

	if (hrtimer_is_queued(&ap_poll_timer) || ap_suspend_flag)

		goto out;

	if (ktime_to_ns(hrtimer_expires_remaining(&ap_poll_timer)) <= 0) {

		hr_time = ktime_set(0, poll_timeout);
@@ -1293,6 +1291,18 @@ static inline void ap_schedule_poll_timer(void) 
	spin_unlock_bh(&ap_poll_timer_lock);

}



/**

 * ap_schedule_poll_timer(): Schedule poll timer.

 *

 * Set up the timer to run the poll tasklet

 */

static inline void ap_schedule_poll_timer(void)

{

	if (ap_using_interrupts())

		return;

	__ap_schedule_poll_timer();

}



/**

 * ap_poll_read(): Receive pending reply messages from an AP device.

 * @ap_dev: pointer to the AP device
@@ -1374,8 +1384,9 @@ static int ap_poll_write(struct ap_device *ap_dev, unsigned long *flags) 
			*flags |= 1;

		*flags |= 2;

		break;

	case AP_RESPONSE_Q_FULL:

	case AP_RESPONSE_RESET_IN_PROGRESS:

		__ap_schedule_poll_timer();

	case AP_RESPONSE_Q_FULL:

		*flags |= 2;

		break;

	case AP_RESPONSE_MESSAGE_TOO_BIG: