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regulator: core: Log when we bring constraints into range 

This aids in debugging problems triggered by the regulator core applying
its constraints, we could potentially crash immediately after updating
the voltage if the constraints are buggy.

Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Mark Brown 2016-03-29 16:33:42 -07:00
parent fa93fd4ecc
commit 45a91e8f76
1 changed files with 2 additions and 0 deletions
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2
drivers/regulator/core.c
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@ -935,6 +935,8 @@ static int machine_constraints_voltage(struct regulator_dev *rdev,
}
if (target_min != current_uV || target_max != current_uV) {
rdev_info(rdev, "Bringing %duV into %d-%duV\n",
current_uV, target_min, target_max);
ret = _regulator_do_set_voltage(
rdev, target_min, target_max);
if (ret < 0) {