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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-18 16:03:50 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-20 20:56:38 +0000 |
| commit | d91e8db2c3bbe8ef0e2f3e1a6ff5b31a8d53ef16 (patch) | |
| tree | 2bcc299fa62738407b5e25483230f7249f0d016d /drivers/base/regmap/regcache-rbtree.c | |
| 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>
Diffstat (limited to 'drivers/base/regmap/regcache-rbtree.c')
0 files changed, 0 insertions, 0 deletions