diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-09 13:43:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-09 13:43:02 -0700 |
| commit | 2437fccfbfc83bcb868ccc7fdfe2b5310bf07835 (patch) | |
| tree | 53404340e5db6fd2e524806a3b898cdd7fe39a17 /drivers | |
| parent | 6c6ee53c55dd0d3d9c3b42d4770bb82842d99727 (diff) | |
| parent | d92d95b6bf2722ffa0fefa7651c51bf336743dd7 (diff) | |
Merge tag 'regulator-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fix from Mark Brown:
"A smallish fix for a lock dependency issue which affects a bunch of
Qualcomm boards that do unusually complicated things with their
regulators, the API is unlikely to be called by any other system."
* tag 'regulator-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: Fix recursive mutex lockdep warning
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/core.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 09a737c868b..8b4b3829d9e 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2519,9 +2519,12 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) { struct regulator_dev *rdev = regulator->rdev; struct regulator *consumer; - int ret, output_uV, input_uV, total_uA_load = 0; + int ret, output_uV, input_uV = 0, total_uA_load = 0; unsigned int mode; + if (rdev->supply) + input_uV = regulator_get_voltage(rdev->supply); + mutex_lock(&rdev->mutex); /* @@ -2554,10 +2557,7 @@ int regulator_set_optimum_mode(struct regulator *regulator, int uA_load) goto out; } - /* get input voltage */ - input_uV = 0; - if (rdev->supply) - input_uV = regulator_get_voltage(rdev->supply); + /* No supply? Use constraint voltage */ if (input_uV <= 0) input_uV = rdev->constraints->input_uV; if (input_uV <= 0) { |