Reviewed-by: Gaurav Jain <gaurav.jain@xxxxxxx> > -----Original Message----- > From: Meenakshi Aggarwal <meenakshi.aggarwal@xxxxxxx> > Sent: Monday, June 12, 2023 1:56 PM > To: Horia Geanta <horia.geanta@xxxxxxx>; Varun Sethi <V.Sethi@xxxxxxx>; > Pankaj Gupta <pankaj.gupta@xxxxxxx>; Gaurav Jain <gaurav.jain@xxxxxxx>; > herbert@xxxxxxxxxxxxxxxxxxx; davem@xxxxxxxxxxxxx; linux- > crypto@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > Cc: Victoria Milhoan <vicki.milhoan@xxxxxxxxxxxxx>; Dan Douglass > <dan.douglass@xxxxxxx>; Vipul Kumar <vipul_kumar@xxxxxxxxxx> > Subject: [PATCH] crypto: caam - adjust RNG timing to support more devices > > 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
