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[PATCH 4.4 70/76] s390/zcrypt: Introduce CEX6 toleration

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  [PATCH 4.4 70/76] s390/zcrypt: Introduce CEX6 toleration Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-03-28 15:50 +0200

#1610930 — [PATCH 4.4 70/76] s390/zcrypt: Introduce CEX6 toleration

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sumit Semwal <sumit.semwal@linaro.org>


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

[ Upstream commit b3e8652bcbfa04807e44708d4d0c8cdad39c9215 ]

Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/s390/crypto/ap_bus.c |    3 +++
 drivers/s390/crypto/ap_bus.h |    1 +
 2 files changed, 4 insertions(+)

--- 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_stru
 		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);
--- 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 i
 #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

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