diff options
| author | Andrey Smirnov <[email protected]> | 2019-08-20 13:24:00 -0700 |
|---|---|---|
| committer | Herbert Xu <[email protected]> | 2019-08-30 18:05:30 +1000 |
| commit | a6727055971b4fa8d07db08088ff618c57f7d296 (patch) | |
| tree | b2b7bc124994ac1bd1e17494d1f9a0c796f98f4c | |
| parent | a1cf573ee95d5a15bdd1d33310d179d92b229dd1 (diff) | |
crypto: caam - always select job ring via RSR on i.MX8MQ
Per feedback from NXP tech support the way to use register based
service interface on i.MX8MQ is to follow the same set of steps
outlined for the case when virtualization is enabled, regardless if it
is. Current version of SRM for i.MX8MQ speaks of DECO DID_MS and DECO
DID_LS registers, but apparently those are not implemented, so the
case when SCFGR[VIRT_EN]=0 should be handled the same as the case when
SCFGR[VIRT_EN]=1
Signed-off-by: Andrey Smirnov <[email protected]>
Cc: Chris Spencer <[email protected]>
Cc: Cory Tusar <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Horia Geantă <[email protected]>
Cc: Aymen Sghaier <[email protected]>
Cc: Leonard Crestez <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Herbert Xu <[email protected]>
| -rw-r--r-- | drivers/crypto/caam/ctrl.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 4b7f95f64e34..3b18e7e8da1f 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -97,7 +97,12 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc, int i; - if (ctrlpriv->virt_en == 1) { + if (ctrlpriv->virt_en == 1 || + /* + * Apparently on i.MX8MQ it doesn't matter if virt_en == 1 + * and the following steps should be performed regardless + */ + of_machine_is_compatible("fsl,imx8mq")) { clrsetbits_32(&ctrl->deco_rsr, 0, DECORSR_JR0); while (!(rd_reg32(&ctrl->deco_rsr) & DECORSR_VALID) && |