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hwrng: stm32 - set default random quality

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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>
This commit is contained in:
Lionel Debieve 2019-04-01 12:30:46 +02:00 committed by Herbert Xu
parent af0d4442dd
commit 38a1965f42
1 changed files with 1 additions and 0 deletions
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drivers/char/hw_random/stm32-rng.c
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@ -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);