| commit | d91e8db2c3bbe8ef0e2f3e1a6ff5b31a8d53ef16 | [log] [tgz] |
|---|---|---|
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | Fri Nov 18 16:03:50 2011 +0000 |
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | Sun Nov 20 20:56:38 2011 +0000 |
| tree | 2bcc299fa62738407b5e25483230f7249f0d016d | |
| parent | 4c691664583ef6a91f9ed0e08a75fbd30a5ffd5c [diff] |
regmap: Suppress noop writes in regmap_update_bits() If the new register value is identical to the original one then suppress the write to the hardware in regmap_update_bits(), saving some I/O cost. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>