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authorSachin Kamat <sachin.kamat@linaro.org>2013-08-19 12:38:00 +0100
committerJonathan Cameron <jic23@kernel.org>2013-08-19 20:27:24 +0100
commit8571ebf7fc1892beadd83dd7af385c599c3ec0d3 (patch)
treef4c164ee7e0a0e31b9dd14cf54d9a4755f8fe8f7 /drivers/iio
parentcd5e5785417591deba06b5fe3e78137137d2a9d3 (diff)
downloadop-kernel-dev-8571ebf7fc1892beadd83dd7af385c599c3ec0d3.zip
op-kernel-dev-8571ebf7fc1892beadd83dd7af385c599c3ec0d3.tar.gz
iio: dac: ad5504: Use devm_* APIs
devm_* APIs are device managed and make code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/dac/ad5504.c31
1 files changed, 8 insertions, 23 deletions
diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c
index 139206e..caffb16 100644
--- a/drivers/iio/dac/ad5504.c
+++ b/drivers/iio/dac/ad5504.c
@@ -281,16 +281,14 @@ static int ad5504_probe(struct spi_device *spi)
struct regulator *reg;
int ret, voltage_uv = 0;
- indio_dev = iio_device_alloc(sizeof(*st));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
- reg = regulator_get(&spi->dev, "vcc");
+ indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
+ if (!indio_dev)
+ return -ENOMEM;
+ reg = devm_regulator_get(&spi->dev, "vcc");
if (!IS_ERR(reg)) {
ret = regulator_enable(reg);
if (ret)
- goto error_put_reg;
+ return ret;
ret = regulator_get_voltage(reg);
if (ret < 0)
@@ -321,7 +319,7 @@ static int ad5504_probe(struct spi_device *spi)
indio_dev->modes = INDIO_DIRECT_MODE;
if (spi->irq) {
- ret = request_threaded_irq(spi->irq,
+ ret = devm_request_threaded_irq(&spi->dev, spi->irq,
NULL,
&ad5504_event_handler,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
@@ -333,22 +331,14 @@ static int ad5504_probe(struct spi_device *spi)
ret = iio_device_register(indio_dev);
if (ret)
- goto error_free_irq;
+ goto error_disable_reg;
return 0;
-error_free_irq:
- if (spi->irq)
- free_irq(spi->irq, indio_dev);
error_disable_reg:
if (!IS_ERR(reg))
regulator_disable(reg);
-error_put_reg:
- if (!IS_ERR(reg))
- regulator_put(reg);
- iio_device_free(indio_dev);
-error_ret:
return ret;
}
@@ -358,14 +348,9 @@ static int ad5504_remove(struct spi_device *spi)
struct ad5504_state *st = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
- if (spi->irq)
- free_irq(spi->irq, indio_dev);
- if (!IS_ERR(st->reg)) {
+ if (!IS_ERR(st->reg))
regulator_disable(st->reg);
- regulator_put(st->reg);
- }
- iio_device_free(indio_dev);
return 0;
}
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