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iio: adc: hx711: use dev_err_probe()

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Use dev_err_probe() to simplify error returns in the probe function.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andreas Klinger <ak@it-klinger.de>
Link: https://patch.msgid.link/20240621-iio-regulator-refactor-round-2-v1-4-49e50cd0b99a@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner 2024-06-21 17:11:51 -05:00 committed by Jonathan Cameron
parent bfe339ee8e
commit 95e17a54e4
1 changed files with 13 additions and 22 deletions
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35
drivers/iio/adc/hx711.c
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@ -464,10 +464,8 @@ static int hx711_probe(struct platform_device *pdev)
int i;
indio_dev = devm_iio_device_alloc(dev, sizeof(struct hx711_data));
if (!indio_dev) {
dev_err(dev, "failed to allocate IIO device\n");
return -ENOMEM;
}
if (!indio_dev)
return dev_err_probe(dev, -ENOMEM, "failed to allocate IIO device\n");
hx711_data = iio_priv(indio_dev);
hx711_data->dev = dev;
@ -479,22 +477,18 @@ static int hx711_probe(struct platform_device *pdev)
* in the driver it is an output
*/
hx711_data->gpiod_pd_sck = devm_gpiod_get(dev, "sck", GPIOD_OUT_LOW);
if (IS_ERR(hx711_data->gpiod_pd_sck)) {
dev_err(dev, "failed to get sck-gpiod: err=%ld\n",
PTR_ERR(hx711_data->gpiod_pd_sck));
return PTR_ERR(hx711_data->gpiod_pd_sck);
}
if (IS_ERR(hx711_data->gpiod_pd_sck))
return dev_err_probe(dev, PTR_ERR(hx711_data->gpiod_pd_sck),
"failed to get sck-gpiod\n");
/*
* DOUT stands for serial data output of HX711
* for the driver it is an input
*/
hx711_data->gpiod_dout = devm_gpiod_get(dev, "dout", GPIOD_IN);
if (IS_ERR(hx711_data->gpiod_dout)) {
dev_err(dev, "failed to get dout-gpiod: err=%ld\n",
PTR_ERR(hx711_data->gpiod_dout));
return PTR_ERR(hx711_data->gpiod_dout);
}
if (IS_ERR(hx711_data->gpiod_dout))
return dev_err_probe(dev, PTR_ERR(hx711_data->gpiod_dout),
"failed to get dout-gpiod\n");
ret = devm_regulator_get_enable_read_voltage(dev, "avdd");
if (ret < 0)
@ -548,16 +542,13 @@ static int hx711_probe(struct platform_device *pdev)
ret = devm_iio_triggered_buffer_setup(dev, indio_dev,
iio_pollfunc_store_time,
hx711_trigger, NULL);
if (ret < 0) {
dev_err(dev, "setup of iio triggered buffer failed\n");
return ret;
}
if (ret < 0)
return dev_err_probe(dev, ret,
"setup of iio triggered buffer failed\n");
ret = devm_iio_device_register(dev, indio_dev);
if (ret < 0) {
dev_err(dev, "Couldn't register the device\n");
return ret;
}
if (ret < 0)
return dev_err_probe(dev, ret, "Couldn't register the device\n");
return 0;
}