When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
Using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
---
.../iio/common/st_sensors/st_sensors_core.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index a5a140de9a23..732d0f8f99f6 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -228,10 +228,11 @@ int st_sensors_power_enable(struct iio_dev *indio_dev)
/* Regulators not mandatory, but if requested we should enable them. */
pdata->vdd = devm_regulator_get(parent, "vdd");
- if (IS_ERR(pdata->vdd)) {
- dev_err(&indio_dev->dev, "unable to get Vdd supply\n");
- return PTR_ERR(pdata->vdd);
- }
+ if (IS_ERR(pdata->vdd))
+ return dev_err_probe(&indio_dev->dev,
+ PTR_ERR(pdata->vdd),
+ "unable to get Vdd supply\n");
+
err = regulator_enable(pdata->vdd);
if (err != 0) {
dev_warn(&indio_dev->dev,
@@ -244,10 +245,11 @@ int st_sensors_power_enable(struct iio_dev *indio_dev)
return err;
pdata->vdd_io = devm_regulator_get(parent, "vddio");
- if (IS_ERR(pdata->vdd_io)) {
- dev_err(&indio_dev->dev, "unable to get Vdd_IO supply\n");
- return PTR_ERR(pdata->vdd_io);
- }
+ if (IS_ERR(pdata->vdd_io))
+ return dev_err_probe(&indio_dev->dev,
+ PTR_ERR(pdata->vdd_io),
+ "unable to get Vdd_IO supply\n");
+
err = regulator_enable(pdata->vdd_io);
if (err != 0) {
dev_warn(&indio_dev->dev,
--
2.25.1
