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Subject[PATCH] regulator: core: Log when a device causes a voltage constraint fail
Date
Helps with figuring out when things went wrong.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/regulator/core.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index fe4a1b6..af97b62 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -199,8 +199,11 @@ static int regulator_check_consumers(struct regulator_dev *rdev,
*min_uV = regulator->min_uV;
}

- if (*min_uV > *max_uV)
+ if (*min_uV > *max_uV) {
+ dev_err(regulator->dev, "Restricting voltage, %u-%uuV\n",
+ regulator->min_uV, regulator->max_uV);
return -EINVAL;
+ }

return 0;
}
--
1.7.10.4


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