regmap: Cache async work structures
authorMark Brown <broonie@linaro.org>
Mon, 7 Oct 2013 22:00:24 +0000 (23:00 +0100)
committerMark Brown <broonie@linaro.org>
Mon, 7 Oct 2013 22:04:41 +0000 (23:04 +0100)
Rather than allocating and deallocating the structures used to manage async
transfers each time we do one keep the structures around as long as the
regmap is around. This should provide a small performance improvement.

Signed-off-by: Mark Brown <broonie@linaro.org>

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