crash in ppc4xx-rng on canyonland

[Herbert Xu]

On Mon, Apr 18, 2016 at 01:42:49PM +0200, Christian Lamparter wrote:
>
> what else I fixed in v1->v2: 
>  - added a check to test trng device's status state with
>    of_device_is_available.
>  - if the hwrng device registration failed, the flag which
>    enables the trng was left enabled (note: the v1 code
>    disabled the hwrng device as part of crypto4xx_remove.
>    so it wasn't enabled when the crypto4xx driver was
>    unloaded)

Patch applied.  Thanks!
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
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