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Commit 8738e07d authored by Holger Dengler's avatar Holger Dengler Committed by Heiko Carstens
Browse files

s390/ap: resend enable adapter interrupt request. 



The adapter interrupt for an APQN must be re-enabled after a reset.
This patch sends the interrupt enablement request again, if the APQN
is busy or the reset is still in progress.

Signed-off-by: default avatarHolger Dengler <hd@linux.vnet.ibm.com>
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
parent c960bec4

drivers/s390/crypto/ap_bus.c

+6 −0
Original line number Diff line number Diff line
@@ -338,6 +338,12 @@ static int ap_queue_enable_interruption(ap_qid_t qid, void *ind) 
			break;

		case AP_RESPONSE_RESET_IN_PROGRESS:

		case AP_RESPONSE_BUSY:

			if (i < AP_MAX_RESET - 1) {

				udelay(5);

				status = ap_queue_interruption_control(qid,

								       ind);

				continue;

			}

			break;

		case AP_RESPONSE_Q_NOT_AVAIL:

		case AP_RESPONSE_DECONFIGURED: