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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-09 13:43:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-09 13:43:02 -0700
commit2437fccfbfc83bcb868ccc7fdfe2b5310bf07835 (patch)
tree53404340e5db6fd2e524806a3b898cdd7fe39a17 /drivers
parent6c6ee53c55dd0d3d9c3b42d4770bb82842d99727 (diff)
parentd92d95b6bf2722ffa0fefa7651c51bf336743dd7 (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.c10
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) {