[PATCH v1 1/1] s390/ap: Fix MAPML computation

[Finn Callies <fcallies@linux.ibm.com>]

When the TAPQ subfunction of PQAP returns a value between 0 and 3 in the
ml field the Principles of Operation states that the MAPML size is to be
12k bytes.

Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Finn Callies <fcallies@linux.ibm.com>
---
 drivers/s390/crypto/ap_card.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/s390/crypto/ap_card.c b/drivers/s390/crypto/ap_card.c
index e827fbeb76fb..c86397f4ddcd 100644
--- a/drivers/s390/crypto/ap_card.c
+++ b/drivers/s390/crypto/ap_card.c
@@ -241,7 +241,7 @@ struct ap_card *ap_card_create(int id, struct ap_tapq_hwinfo hwinfo,
 	ac->ap_dev.device_type = comp_type;
 	ac->hwinfo = hwinfo;
 	ac->id = id;
-	ac->maxmsgsize = hwinfo.ml > 0 ?
+	ac->maxmsgsize = hwinfo.ml > 3 ?
 		hwinfo.ml * AP_TAPQ_ML_FIELD_CHUNK_SIZE : AP_DEFAULT_MAX_MSG_SIZE;
 
 	return ac;
-- 
Finn Callies <fcallies@linux.ibm.com>
Linux on Z - crypto