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path: root/drivers/iio/health/afe4403.c
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Diffstat (limited to 'drivers/iio/health/afe4403.c')
-rw-r--r--drivers/iio/health/afe4403.c65
1 files changed, 24 insertions, 41 deletions
diff --git a/drivers/iio/health/afe4403.c b/drivers/iio/health/afe4403.c
index df3bc5c3d378..1dbe48dae74e 100644
--- a/drivers/iio/health/afe4403.c
+++ b/drivers/iio/health/afe4403.c
@@ -346,6 +346,13 @@ err:
return IRQ_HANDLED;
}
+static void afe4403_regulator_disable(void *data)
+{
+ struct regulator *regulator = data;
+
+ regulator_disable(regulator);
+}
+
#define AFE4403_TIMING_PAIRS \
{ AFE440X_LED2STC, 0x000050 }, \
{ AFE440X_LED2ENDC, 0x0003e7 }, \
@@ -495,19 +502,24 @@ static int afe4403_probe(struct spi_device *spi)
dev_err(afe->dev, "Unable to enable regulator\n");
return ret;
}
+ ret = devm_add_action_or_reset(afe->dev, afe4403_regulator_disable, afe->regulator);
+ if (ret) {
+ dev_err(afe->dev, "Unable to add regulator disable action\n");
+ return ret;
+ }
ret = regmap_write(afe->regmap, AFE440X_CONTROL0,
AFE440X_CONTROL0_SW_RESET);
if (ret) {
dev_err(afe->dev, "Unable to reset device\n");
- goto err_disable_reg;
+ return ret;
}
ret = regmap_multi_reg_write(afe->regmap, afe4403_reg_sequences,
ARRAY_SIZE(afe4403_reg_sequences));
if (ret) {
dev_err(afe->dev, "Unable to set register defaults\n");
- goto err_disable_reg;
+ return ret;
}
indio_dev->modes = INDIO_DIRECT_MODE;
@@ -523,16 +535,15 @@ static int afe4403_probe(struct spi_device *spi)
iio_device_id(indio_dev));
if (!afe->trig) {
dev_err(afe->dev, "Unable to allocate IIO trigger\n");
- ret = -ENOMEM;
- goto err_disable_reg;
+ return -ENOMEM;
}
iio_trigger_set_drvdata(afe->trig, indio_dev);
- ret = iio_trigger_register(afe->trig);
+ ret = devm_iio_trigger_register(afe->dev, afe->trig);
if (ret) {
dev_err(afe->dev, "Unable to register IIO trigger\n");
- goto err_disable_reg;
+ return ret;
}
ret = devm_request_threaded_irq(afe->dev, afe->irq,
@@ -542,52 +553,25 @@ static int afe4403_probe(struct spi_device *spi)
afe->trig);
if (ret) {
dev_err(afe->dev, "Unable to request IRQ\n");
- goto err_trig;
+ return ret;
}
}
- ret = iio_triggered_buffer_setup(indio_dev, &iio_pollfunc_store_time,
- afe4403_trigger_handler, NULL);
+ ret = devm_iio_triggered_buffer_setup(afe->dev, indio_dev,
+ &iio_pollfunc_store_time,
+ afe4403_trigger_handler, NULL);
if (ret) {
dev_err(afe->dev, "Unable to setup buffer\n");
- goto err_trig;
+ return ret;
}
- ret = iio_device_register(indio_dev);
+ ret = devm_iio_device_register(afe->dev, indio_dev);
if (ret) {
dev_err(afe->dev, "Unable to register IIO device\n");
- goto err_buff;
+ return ret;
}
return 0;
-
-err_buff:
- iio_triggered_buffer_cleanup(indio_dev);
-err_trig:
- if (afe->irq > 0)
- iio_trigger_unregister(afe->trig);
-err_disable_reg:
- regulator_disable(afe->regulator);
-
- return ret;
-}
-
-static void afe4403_remove(struct spi_device *spi)
-{
- struct iio_dev *indio_dev = spi_get_drvdata(spi);
- struct afe4403_data *afe = iio_priv(indio_dev);
- int ret;
-
- iio_device_unregister(indio_dev);
-
- iio_triggered_buffer_cleanup(indio_dev);
-
- if (afe->irq > 0)
- iio_trigger_unregister(afe->trig);
-
- ret = regulator_disable(afe->regulator);
- if (ret)
- dev_warn(afe->dev, "Unable to disable regulator\n");
}
static const struct spi_device_id afe4403_ids[] = {
@@ -603,7 +587,6 @@ static struct spi_driver afe4403_spi_driver = {
.pm = pm_sleep_ptr(&afe4403_pm_ops),
},
.probe = afe4403_probe,
- .remove = afe4403_remove,
.id_table = afe4403_ids,
};
module_spi_driver(afe4403_spi_driver);