diff options
| -rw-r--r-- | drivers/crypto/fsl/jr.c | 4 | ||||
| -rw-r--r-- | include/fsl_sec.h | 1 |
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c index f99d59480c..aa527ec954 100644 --- a/drivers/crypto/fsl/jr.c +++ b/drivers/crypto/fsl/jr.c @@ -406,8 +406,8 @@ static void kick_trng(int ent_delay) sec_out32(&rng->rtsdctl, val); /* min. freq. count, equal to 1/4 of the entropy sample length */ sec_out32(&rng->rtfreqmin, ent_delay >> 2); - /* max. freq. count, equal to 8 times the entropy sample length */ - sec_out32(&rng->rtfreqmax, ent_delay << 3); + /* disable maximum frequency count */ + sec_out32(&rng->rtfreqmax, RTFRQMAX_DISABLE); /* put RNG4 into run mode */ sec_clrbits32(&rng->rtmctl, RTMCTL_PRGM); } diff --git a/include/fsl_sec.h b/include/fsl_sec.h index ebb1ac6d40..14f6633e32 100644 --- a/include/fsl_sec.h +++ b/include/fsl_sec.h @@ -49,6 +49,7 @@ struct rng4tst { u32 rttotsam; /* PRGM=0: total samples register */ }; u32 rtfreqmin; /* frequency count min. limit register */ +#define RTFRQMAX_DISABLE (1 << 20) union { u32 rtfreqmax; /* PRGM=1: freq. count max. limit register */ u32 rtfreqcnt; /* PRGM=0: freq. count register */ |