mfd: Enable rbtree cache for wm831x devices
authorMark Brown <broonie@opensource.wolfsonmicro.com>
Sun, 9 Oct 2011 12:38:06 +0000 (13:38 +0100)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Mon, 17 Oct 2011 22:03:32 +0000 (23:03 +0100)
Most useful with the regulators where we're doing a lot of read/modify/write
updates in potentially performance critical paths.  Providing some defaults
would make this slightly better but this is a win right now.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>

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