regulator: core: Say what unsupportable voltage constraints are

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index e7fffd1..7fbbd82 100644 (file)
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -883,7 +883,9 @@ static int machine_constraints_voltage(struct regulator_dev *rdev,
 
                /* final: [min_uV..max_uV] valid iff constraints valid */
                if (max_uV < min_uV) {
-                       rdev_err(rdev, "unsupportable voltage constraints\n");
+                       rdev_err(rdev,
+                                "unsupportable voltage constraints %u-%uuV\n",
+                                min_uV, max_uV);
                        return -EINVAL;
                }