regulator: core: Log when a device causes a voltage constraint fail
Helps with figuring out when things went wrong.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index e872c8b..e7fffd1 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -199,8 +199,11 @@
*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;
}