bcm2835-rng: Avoid initialising if already enabled
authorpopcornmix <popcornmix@gmail.com>
Tue, 6 Dec 2016 17:05:39 +0000 (17:05 +0000)
committerpopcornmix <popcornmix@gmail.com>
Mon, 20 Feb 2017 12:17:47 +0000 (12:17 +0000)
commitd85895207e98eb2c631103464d914b5663b6dd91
treea9a75c5e769ab145294a6ed515cf475ac26a71cd
parentf32daf90af3afa1a7f135f71ae7f508cb98d320f
bcm2835-rng: Avoid initialising if already enabled

Avoids the 0x40000 cycles of warmup again if firmware has already used it
drivers/char/hw_random/bcm2835-rng.c