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-rw-r--r--drivers/crypto/caam/ctrl.c4
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: