linux-kernel - [PATCH] hwmon: (ina2xx) make regulator 'vs' support optional

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Message-ID: <20250403101516.3047802-1-ciprianmarian.costea@oss.nxp.com>
Date: Thu,  3 Apr 2025 13:15:16 +0300
From: Ciprian Costea <ciprianmarian.costea@....nxp.com>
To: Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>
Cc: linux-hwmon@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	NXP S32 Linux <s32@....com>,
	imx@...ts.linux.dev,
	Christophe Lizzi <clizzi@...hat.com>,
	Alberto Ruiz <aruizrui@...hat.com>,
	Enric Balletbo <eballetb@...hat.com>,
	Eric Chanudet <echanude@...hat.com>,
	Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>,
	Florin Buica <florin.buica@....com>
Subject: [PATCH] hwmon: (ina2xx) make regulator 'vs' support optional

From: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>

S32G2/S32G3 based boards which integrate the ina231 sensor do not have a
dedicated voltage regulator.

Co-developed-by: Florin Buica <florin.buica@....com>
Signed-off-by: Florin Buica <florin.buica@....com>
Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>
---
 drivers/hwmon/ina2xx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
index 345fe7db9de9..ab4972f94a8c 100644
--- a/drivers/hwmon/ina2xx.c
+++ b/drivers/hwmon/ina2xx.c
@@ -959,8 +959,8 @@ static int ina2xx_probe(struct i2c_client *client)
 		return PTR_ERR(data->regmap);
 	}
 
-	ret = devm_regulator_get_enable(dev, "vs");
-	if (ret)
+	ret = devm_regulator_get_enable_optional(dev, "vs");
+	if (ret < 0 && ret != -ENODEV)
 		return dev_err_probe(dev, ret, "failed to enable vs regulator\n");
 
 	ret = ina2xx_init(dev, data);
-- 
2.45.2