diff options
| author | Xiubo Li <Li.Xiubo@freescale.com> | 2014-02-20 01:50:10 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-02-20 03:37:39 +0100 |
| commit | e2f74dc6739731a6b6900946a21ac235181aa60f (patch) | |
| tree | d731c177155c196dfd7ac4e5b3020b6c32ce85f3 /drivers/base/regmap/regmap.c | |
| parent | regmap: Check readable regs in _regmap_read (diff) | |
| download | linux-e2f74dc6739731a6b6900946a21ac235181aa60f.tar.xz linux-e2f74dc6739731a6b6900946a21ac235181aa60f.zip | |
regmap: Clean up _regmap_update_bits()
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>
Diffstat (limited to 'drivers/base/regmap/regmap.c')
| -rw-r--r-- | drivers/base/regmap/regmap.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index b897c1a88b56..9a426c081484 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1969,9 +1969,11 @@ static int _regmap_update_bits(struct regmap *map, unsigned int reg, if (tmp != orig) { ret = _regmap_write(map, reg, tmp); - *change = true; + if (change) + *change = true; } else { - *change = false; + if (change) + *change = false; } return ret; @@ -1990,11 +1992,10 @@ static int _regmap_update_bits(struct regmap *map, unsigned int reg, int regmap_update_bits(struct regmap *map, unsigned int reg, unsigned int mask, unsigned int val) { - bool change; int ret; map->lock(map->lock_arg); - ret = _regmap_update_bits(map, reg, mask, val, &change); + ret = _regmap_update_bits(map, reg, mask, val, NULL); map->unlock(map->lock_arg); return ret; @@ -2019,14 +2020,13 @@ EXPORT_SYMBOL_GPL(regmap_update_bits); int regmap_update_bits_async(struct regmap *map, unsigned int reg, unsigned int mask, unsigned int val) { - bool change; int ret; map->lock(map->lock_arg); map->async = true; - ret = _regmap_update_bits(map, reg, mask, val, &change); + ret = _regmap_update_bits(map, reg, mask, val, NULL); map->async = false; |