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From: Axel Lin <axel.lin@ingics.com>
To: Mark Brown <broonie@kernel.org>
Cc: Adam Ward <Adam.Ward.opensource@diasemi.com>,
	Vincent Whitchurch <vincent.whitchurch@axis.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	linux-kernel@vger.kernel.org, Axel Lin <axel.lin@ingics.com>
Subject: [PATCH] regulator: da9121: Return REGULATOR_MODE_INVALID for invalid mode
Date: Mon, 17 May 2021 13:27:21 +0800	[thread overview]
Message-ID: <20210517052721.1063375-1-axel.lin@ingics.com> (raw)

-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>
---
 drivers/regulator/da9121-regulator.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/regulator/da9121-regulator.c b/drivers/regulator/da9121-regulator.c
index 08cbf688e14d..e66925090258 100644
--- a/drivers/regulator/da9121-regulator.c
+++ b/drivers/regulator/da9121-regulator.c
@@ -280,7 +280,7 @@ static unsigned int da9121_map_mode(unsigned int mode)
 	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 regulator_dev *rdev)
 {
 	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(struct regulator_dev *rdev)
 		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 = {
-- 
2.25.1


             reply	other threads:[~2021-05-17  5:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-17  5:27 Axel Lin [this message]
2021-05-17 14:08 ` [PATCH] regulator: da9121: Return REGULATOR_MODE_INVALID for invalid mode Adam Ward
2021-05-18 16:31 ` Mark Brown

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