diff options
Diffstat (limited to 'drivers/crypto/inside-secure/safexcel_ring.c')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_ring.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_ring.c b/drivers/crypto/inside-secure/safexcel_ring.c index 142bc3f5c45c..0f269b89cfd4 100644 --- a/drivers/crypto/inside-secure/safexcel_ring.c +++ b/drivers/crypto/inside-secure/safexcel_ring.c @@ -137,7 +137,13 @@ struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *pr struct safexcel_token *token = (struct safexcel_token *)cdesc->control_data.token; - cdesc->control_data.packet_length = full_data_len; + /* + * Note that the length here MUST be >0 or else the EIP(1)97 + * may hang. Newer EIP197 firmware actually incorporates this + * fix already, but that doesn't help the EIP97 and we may + * also be running older firmware. + */ + cdesc->control_data.packet_length = full_data_len ?: 1; cdesc->control_data.options = EIP197_OPTION_MAGIC_VALUE | EIP197_OPTION_64BIT_CTX | EIP197_OPTION_CTX_CTRL_IN_CMD; @@ -145,7 +151,8 @@ struct safexcel_command_desc *safexcel_add_cdesc(struct safexcel_crypto_priv *pr (lower_32_bits(context) & GENMASK(31, 2)) >> 2; cdesc->control_data.context_hi = upper_32_bits(context); - if (priv->version == EIP197B || priv->version == EIP197D) + if (priv->version == EIP197B_MRVL || + priv->version == EIP197D_MRVL) cdesc->control_data.options |= EIP197_OPTION_RC_AUTO; /* TODO: large xform HMAC with SHA-384/512 uses refresh = 3 */ |