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wma
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2018-03-01T14:11:07.982330Z
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PowerNV: Initial support for OPAL I2C transfers

Add I2C OPAL driver and a set of dummy-ones to allow
all I2C things on Power8 to attach.

TODO: better async token management

Submitted by:          Wojciech Macek <wma@semihalf.com>
Obtained from:         Semihalf
Sponsored by:          IBM, QCM Technologies

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