* [PATCH] regulator: core: Log when we bring constraints into range
@ 2016-03-29 23:38 Mark Brown
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From: Mark Brown @ 2016-03-29 23:38 UTC (permalink / raw)
To: Geert Uytterhoeven, Liam Girdwood; +Cc: linux-kernel, Mark Brown
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>
---
drivers/regulator/core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 881c37e61f75..18dd7ee61455 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -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) {
--
2.8.0.rc3
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2016-03-29 23:38 [PATCH] regulator: core: Log when we bring constraints into range Mark Brown
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