[PATCH Xenial/Yakkety SRU] s390/zcrypt: Introduce CEX6 toleration

[Tim Gardner]

From: Harald Freudenberger <freude at linux.vnet.ibm.com>

BugLink: http://bugs.launchpad.net/bugs/1644557

Signed-off-by: Harald Freudenberger <freude at linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky at de.ibm.com>
(cherry picked from commit b3e8652bcbfa04807e44708d4d0c8cdad39c9215)
Signed-off-by: Tim Gardner <tim.gardner at canonical.com>
---
 drivers/s390/crypto/ap_bus.c | 3 +++
 drivers/s390/crypto/ap_bus.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 24ec282..7c3b8d3 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1651,6 +1651,9 @@ static void ap_scan_bus(struct work_struct *unused)
 		ap_dev->queue_depth = queue_depth;
 		ap_dev->raw_hwtype = device_type;
 		ap_dev->device_type = device_type;
+		/* CEX6 toleration: map to CEX5 */
+		if (device_type == AP_DEVICE_TYPE_CEX6)
+			ap_dev->device_type = AP_DEVICE_TYPE_CEX5;
 		ap_dev->functions = device_functions;
 		spin_lock_init(&ap_dev->lock);
 		INIT_LIST_HEAD(&ap_dev->pendingq);
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 6adcbdf..cc741e9 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -105,6 +105,7 @@ static inline int ap_test_bit(unsigned int *ptr, unsigned int nr)
 #define AP_DEVICE_TYPE_CEX3C	9
 #define AP_DEVICE_TYPE_CEX4	10
 #define AP_DEVICE_TYPE_CEX5	11
+#define AP_DEVICE_TYPE_CEX6	12
 
 /*
  * Known function facilities
-- 
2.7.4