[PATCH v2 08/12] hwrng: bcm2835-rng: Abstract I/O accessors

[Eric Anholt]

Florian Fainelli <f.fainelli at gmail.com> writes:

> In preparation for allowing BCM63xx to use this driver, we abstract I/O
> accessors such that we can easily change those later on.

This may even be a fix on rpi, since i/o from different devices can get
reordered and you're using the barrier variants now!

Reviewed-by: Eric Anholt <eric at anholt.net>
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