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(parent: a8b72ee) | patch
hwrng: core - allow perfect entropy from hardware devices
authorKeith Packard <keithp@keithp.com>
Wed, 18 Mar 2015 07:17:00 +0000 (00:17 -0700)
committerHerbert Xu <herbert@gondor.apana.org.au>
Wed, 18 Mar 2015 10:01:31 +0000 (21:01 +1100)
commit36b35ebc2ea397fdb583524164f6e60841a0b773
treeaee118b7cffedee93f827aa55dc7cb71f91d0e97tree | snapshot
parenta8b72eefcfb44f58f545b6b0812b90ff8979f23bcommit | diff
hwrng: core - allow perfect entropy from hardware devices

Hardware random number quality is measured from 0 (no entropy) to 1024
(perfect entropy). Allow hardware devices to assert the full range by
truncating the device-provided value at 1024 instead of 1023.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/char/hw_random/core.c diff | blob | history
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