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staging: iio: ad7150: Use devm_* APIs

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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>
This commit is contained in:
Sachin Kamat 2013-08-24 20:24:00 +01:00 committed by Jonathan Cameron
parent 0189d93fdf
commit d15b73c5bf
1 changed files with 8 additions and 28 deletions
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36
drivers/staging/iio/cdc/ad7150.c
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@ -558,11 +558,9 @@ static int ad7150_probe(struct i2c_client *client,
struct ad7150_chip_info *chip;
struct iio_dev *indio_dev;
indio_dev = iio_device_alloc(sizeof(*chip));
if (indio_dev == NULL) {
ret = -ENOMEM;
goto error_ret;
}
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
if (!indio_dev)
return -ENOMEM;
chip = iio_priv(indio_dev);
mutex_init(&chip->state_lock);
/* this is only used for device removal purposes */
@ -581,7 +579,7 @@ static int ad7150_probe(struct i2c_client *client,
indio_dev->modes = INDIO_DIRECT_MODE;
if (client->irq) {
ret = request_threaded_irq(client->irq,
ret = devm_request_threaded_irq(&client->dev, client->irq,
NULL,
&ad7150_event_handler,
IRQF_TRIGGER_RISING |
@ -590,11 +588,11 @@ static int ad7150_probe(struct i2c_client *client,
"ad7150_irq1",
indio_dev);
if (ret)
goto error_free_dev;
return ret;
}
if (client->dev.platform_data) {
ret = request_threaded_irq(*(unsigned int *)
ret = devm_request_threaded_irq(&client->dev, *(unsigned int *)
client->dev.platform_data,
NULL,
&ad7150_event_handler,
@ -604,28 +602,17 @@ static int ad7150_probe(struct i2c_client *client,
"ad7150_irq2",
indio_dev);
if (ret)
goto error_free_irq;
return ret;
}
ret = iio_device_register(indio_dev);
if (ret)
goto error_free_irq2;
return ret;
dev_info(&client->dev, "%s capacitive sensor registered,irq: %d\n",
id->name, client->irq);
return 0;
error_free_irq2:
if (client->dev.platform_data)
free_irq(*(unsigned int *)client->dev.platform_data,
indio_dev);
error_free_irq:
if (client->irq)
free_irq(client->irq, indio_dev);
error_free_dev:
iio_device_free(indio_dev);
error_ret:
return ret;
}
static int ad7150_remove(struct i2c_client *client)
@ -633,13 +620,6 @@ static int ad7150_remove(struct i2c_client *client)
struct iio_dev *indio_dev = i2c_get_clientdata(client);
iio_device_unregister(indio_dev);
if (client->irq)
free_irq(client->irq, indio_dev);
if (client->dev.platform_data)
free_irq(*(unsigned int *)client->dev.platform_data, indio_dev);
iio_device_free(indio_dev);
return 0;
}