regmap: Clean up _regmap_update_bits()
authorXiubo Li <Li.Xiubo@freescale.com>
Thu, 20 Feb 2014 00:50:10 +0000 (08:50 +0800)
committerMark Brown <broonie@linaro.org>
Thu, 20 Feb 2014 02:37:39 +0000 (11:37 +0900)
Since sometimes the 'config' parameter has no use, it should be NULL.
And make the code simplifier.

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
drivers/base/regmap/regmap.c

Simple merge