regulator: core: Ignore unset max_uA constraints in current limit check

We should only consider max_uA constraints if they are explicitly defined.
In cases where it is not set, we should assume the regulator has no current
limit.

Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20241121-feature_poe_port_prio-v3-2-83299fa6967c@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 84d48e3..8cb948a 100644 (file)
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -497,7 +497,8 @@ static int regulator_check_current_limit(struct regulator_dev *rdev,
                return -EPERM;
        }
 
-       if (*max_uA > rdev->constraints->max_uA)
+       if (*max_uA > rdev->constraints->max_uA &&
+           rdev->constraints->max_uA)
                *max_uA = rdev->constraints->max_uA;
        if (*min_uA < rdev->constraints->min_uA)
                *min_uA = rdev->constraints->min_uA;