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-rw-r--r--drivers/crypto/fsl/jr.c4
-rw-r--r--include/fsl_sec.h1
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c
index f99d594..aa527ec 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 ebb1ac6..14f6633 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 */