From: Victoria Milhoan <vicki.milhoan@xxxxxxxxxxxxx> Adjust RNG timing parameters to support more i.MX6 devices. Signed-off-by: Victoria Milhoan <vicki.milhoan@xxxxxxxxxxxxx> Signed-off-by: Dan Douglass <dan.douglass@xxxxxxx> Signed-off-by: Vipul Kumar <vipul_kumar@xxxxxxxxxx> Signed-off-by: Horia Geantă <horia.geanta@xxxxxxx> --- drivers/crypto/caam/ctrl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 5fed3cf354c0..62dd069942e4 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -383,8 +383,8 @@ 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: -- 2.25.1
