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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-18 17:03:50 +0100 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-20 21:56:38 +0100 |
commit | d91e8db2c3bbe8ef0e2f3e1a6ff5b31a8d53ef16 (patch) | |
tree | 2bcc299fa62738407b5e25483230f7249f0d016d /kernel | |
parent | regmap: Remove indexed cache type (diff) | |
download | linux-d91e8db2c3bbe8ef0e2f3e1a6ff5b31a8d53ef16.tar.xz linux-d91e8db2c3bbe8ef0e2f3e1a6ff5b31a8d53ef16.zip |
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>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions