diff mbox series

[5.12,116/173] regulator: da9121: Return REGULATOR_MODE_INVALID for invalid mode

Message ID 20210614102702.027710933@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman June 14, 2021, 10:27 a.m. UTC 
From: Axel Lin <axel.lin@ingics.com>

commit 0b1e552673724832b08d49037cdeeac634a3b319 upstream.

-EINVAL is not a valid return value for .of_map_mode, return
REGULATOR_MODE_INVALID instead.

Fixes: 65ac97042d4e ("regulator: da9121: add mode support")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/20210517052721.1063375-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/regulator/da9121-regulator.c |   10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
diff mbox series

Patch

--- a/drivers/regulator/da9121-regulator.c
+++ b/drivers/regulator/da9121-regulator.c
@@ -280,7 +280,7 @@  static unsigned int da9121_map_mode(unsi
 	case DA9121_BUCK_MODE_FORCE_PFM:
 		return REGULATOR_MODE_STANDBY;
 	default:
-		return -EINVAL;
+		return REGULATOR_MODE_INVALID;
 	}
 }
 
@@ -317,7 +317,7 @@  static unsigned int da9121_buck_get_mode
 {
 	struct da9121 *chip = rdev_get_drvdata(rdev);
 	int id = rdev_get_id(rdev);
-	unsigned int val;
+	unsigned int val, mode;
 	int ret = 0;
 
 	ret = regmap_read(chip->regmap, da9121_mode_field[id].reg, &val);
@@ -326,7 +326,11 @@  static unsigned int da9121_buck_get_mode
 		return -EINVAL;
 	}
 
-	return da9121_map_mode(val & da9121_mode_field[id].msk);
+	mode = da9121_map_mode(val & da9121_mode_field[id].msk);
+	if (mode == REGULATOR_MODE_INVALID)
+		return -EINVAL;
+
+	return mode;
 }
 
 static const struct regulator_ops da9121_buck_ops = {