diff options
| author | Victoria Milhoan <vicki.milhoan@freescale.com> | 2023-06-12 10:26:15 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-06-23 16:15:36 +0800 |
| commit | ef492d080302913e85122a2d92efa2ca174930f8 (patch) | |
| tree | 137b106fe2049507a80255d1180deb9a2a5ad4f9 /drivers/crypto | |
| parent | d614dcb225a8af349b73b8e9bbda4374571d4b9e (diff) | |
crypto: caam - adjust RNG timing to support more devices
Adjust RNG timing parameters to support more i.MX6 devices.
Signed-off-by: Victoria Milhoan <vicki.milhoan@freescale.com>
Signed-off-by: Dan Douglass <dan.douglass@nxp.com>
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/caam/ctrl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index af0db18b931e..ee6478eea933 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -389,8 +389,8 @@ static void kick_trng(struct device *dev, int ent_delay) wr_reg32(&r4tst->rtsdctl, val); /* min. freq. count, equal to 1/4 of the entropy sample length */ wr_reg32(&r4tst->rtfrqmin, ent_delay >> 2); - /* disable maximum frequency count */ - wr_reg32(&r4tst->rtfrqmax, RTFRQMAX_DISABLE); + /* max. freq. count, equal to 16 times the entropy sample length */ + wr_reg32(&r4tst->rtfrqmax, ent_delay << 4); /* read the control register */ val = rd_reg32(&r4tst->rtmctl); start_rng: |