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authorLionel Debieve <lionel.debieve@st.com>2019-04-01 12:30:46 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2019-04-15 17:35:10 +0800
commit38a1965f42cc750652ed5ec70bb0cb3f7a4e20b9 (patch)
tree176272b57eec3cca8487391d4fe7f3a76a473fec /drivers/char
parentaf0d4442dd6813de6e77309063beb064fa8e89ae (diff)
hwrng: stm32 - set default random quality
Add a default quality to hw_random device to be automatically set as new default entropy. Setting random quality will decrease the crng init time by switching to this hardware random source. Signed-off-by: Lionel Debieve <lionel.debieve@st.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/hw_random/stm32-rng.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/hw_random/stm32-rng.c b/drivers/char/hw_random/stm32-rng.c
index 37b338a76ba4..0ef5b6a3f560 100644
--- a/drivers/char/hw_random/stm32-rng.c
+++ b/drivers/char/hw_random/stm32-rng.c
@@ -161,6 +161,7 @@ static int stm32_rng_probe(struct platform_device *ofdev)
#endif
priv->rng.read = stm32_rng_read,
priv->rng.priv = (unsigned long) dev;
+ priv->rng.quality = 900;
pm_runtime_set_autosuspend_delay(dev, 100);
pm_runtime_use_autosuspend(dev);