[PATCH v1 1/1] s390/ap: Fix MAPML computation
Finn Callies <[email protected]>
| Newsgroups | org.kernel.vger.linux-s390 |
|---|---|
| Message-ID | <[email protected]> |
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 <[email protected]> Signed-off-by: Finn Callies <[email protected]> --- 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 <[email protected]> Linux on Z - crypto