From: Keith Packard <keithp@keithp.com>
Date: Wed, 18 Mar 2015 07:17:00 +0000 (-0700)
Subject: hwrng: core - allow perfect entropy from hardware devices
X-Git-Tag: omap-for-v4.1/fixes-rc1~140^2~77
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=506bf0c0464ace57169aadcf02ae397999c57bdd;p=pandora-kernel.git

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>
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