diff options
| author | Ciprian Marian Costea <ciprianmarian.costea@oss.nxp.com> | 2025-04-09 10:45:29 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2025-04-23 07:18:27 -0700 |
| commit | 9b116ba6c9eb9d3b33de0363fafdc5941116f029 (patch) | |
| tree | ecbba67e1b9eabe2a2f6c91b62863829656b4df0 | |
| parent | 0bf08f9e358d33a8972cdb3d698079f5d768d7ed (diff) | |
hwmon: (ina2xx) make regulator 'vs' support optional
According to the 'ti,ina2xx' binding, the 'vs-supply' property is
optional. Use devm_regulator_get_enable_optional() to avoid a kernel
warning message if the property is not provided.
Co-developed-by: Florin Buica <florin.buica@nxp.com>
Tested-by: Enric Balletbo i Serra <eballetbo@kernel.org>
Signed-off-by: Florin Buica <florin.buica@nxp.com>
Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@oss.nxp.com>
Link: https://lore.kernel.org/r/20250409074529.2233733-1-ciprianmarian.costea@oss.nxp.com
[groeck: Use standard multi-line comment]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | drivers/hwmon/ina2xx.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c index 345fe7db9de9..bc3c1f7314b3 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -959,8 +959,12 @@ static int ina2xx_probe(struct i2c_client *client) return PTR_ERR(data->regmap); } - ret = devm_regulator_get_enable(dev, "vs"); - if (ret) + /* + * Regulator core returns -ENODEV if the 'vs' is not available. + * Hence the check for -ENODEV return code is necessary. + */ + 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); |