powerpc/pmac: Convert windfarm_smu_sat to new i2c probing
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 18 Apr 2012 22:16:46 +0000 (22:16 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 30 Apr 2012 05:37:19 +0000 (15:37 +1000)
This simplifies the driver to stop using the deprecated attach interface.

While at it we also implement teardown properly and fix the refcounting
by using a kref.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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