@@ -615,8 +615,7 @@ static int stm32_adc_core_switches_probe(struct device *dev,
}
/* Booster can be used to supply analog switches (optional) */
- if (priv->cfg->has_syscfg & HAS_VBOOSTER &&
- of_property_read_bool(np, "booster-supply")) {
+ if (priv->cfg->has_syscfg & HAS_VBOOSTER) {
priv->booster = devm_regulator_get_optional(dev, "booster");
if (IS_ERR(priv->booster)) {
ret = PTR_ERR(priv->booster);
@@ -628,8 +627,7 @@ static int stm32_adc_core_switches_probe(struct device *dev,
}
/* Vdd can be used to supply analog switches (optional) */
- if (priv->cfg->has_syscfg & HAS_ANASWVDD &&
- of_property_read_bool(np, "vdd-supply")) {
+ if (priv->cfg->has_syscfg & HAS_ANASWVDD) {
priv->vdd = devm_regulator_get_optional(dev, "vdd");
if (IS_ERR(priv->vdd)) {
ret = PTR_ERR(priv->vdd);
There's no reason to check for regulator supply property presence before calling devm_regulator_get_optional() as that will return -ENODEV if the supply is not present. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> --- The diff context doesn't show it, but the next line returns on error other than -ENODEV. drivers/iio/adc/stm32-adc-core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)