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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2021-05-16 20:25:18 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-06-03 20:24:14 +0300
commit55364f73a600c92ee012b2dede8d130a26c58a4a (patch)
tree259b0746f31348be6ed84a1e87aaf058d19d5973 /drivers/iio
parent6c100eb960e785fa327b449ba920d3e83936ae7a (diff)
downloadlinux-55364f73a600c92ee012b2dede8d130a26c58a4a.tar.xz
iio: adc: ti-adc0832: Use devm managed functions for all of probe()
Simplifies error handling, plus allows us to drop the remove() function entirely. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Akinobu Mita <akinobu.mita@gmail.com> Reviewed-by: Alexandru Ardelean <aardelean@deviqon.com> Link: https://lore.kernel.org/r/20210516172520.1398835-7-jic23@kernel.org
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/ti-adc0832.c39
1 files changed, 12 insertions, 27 deletions
diff --git a/drivers/iio/adc/ti-adc0832.c b/drivers/iio/adc/ti-adc0832.c
index 0261b3cfc92b..fb5e72600b96 100644
--- a/drivers/iio/adc/ti-adc0832.c
+++ b/drivers/iio/adc/ti-adc0832.c
@@ -236,6 +236,11 @@ out:
return IRQ_HANDLED;
}
+static void adc0832_reg_disable(void *reg)
+{
+ regulator_disable(reg);
+}
+
static int adc0832_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
@@ -287,36 +292,17 @@ static int adc0832_probe(struct spi_device *spi)
if (ret)
return ret;
- spi_set_drvdata(spi, indio_dev);
-
- ret = iio_triggered_buffer_setup(indio_dev, NULL,
- adc0832_trigger_handler, NULL);
+ ret = devm_add_action_or_reset(&spi->dev, adc0832_reg_disable,
+ adc->reg);
if (ret)
- goto err_reg_disable;
+ return ret;
- ret = iio_device_register(indio_dev);
+ ret = devm_iio_triggered_buffer_setup(&spi->dev, indio_dev, NULL,
+ adc0832_trigger_handler, NULL);
if (ret)
- goto err_buffer_cleanup;
-
- return 0;
-err_buffer_cleanup:
- iio_triggered_buffer_cleanup(indio_dev);
-err_reg_disable:
- regulator_disable(adc->reg);
-
- return ret;
-}
-
-static int adc0832_remove(struct spi_device *spi)
-{
- struct iio_dev *indio_dev = spi_get_drvdata(spi);
- struct adc0832 *adc = iio_priv(indio_dev);
-
- iio_device_unregister(indio_dev);
- iio_triggered_buffer_cleanup(indio_dev);
- regulator_disable(adc->reg);
+ return ret;
- return 0;
+ return devm_iio_device_register(&spi->dev, indio_dev);
}
static const struct of_device_id adc0832_dt_ids[] = {
@@ -343,7 +329,6 @@ static struct spi_driver adc0832_driver = {
.of_match_table = adc0832_dt_ids,
},
.probe = adc0832_probe,
- .remove = adc0832_remove,
.id_table = adc0832_id,
};
module_spi_driver(adc0832_driver);