diff options
| author | Lee Jones <lee.jones@linaro.org> | 2013-09-16 17:02:00 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-09-21 19:24:05 +0100 |
| commit | a6cc5b250c88930c47a0a231107844b69f086428 (patch) | |
| tree | 91f55ee6a7ce412126a712db2356d5d32445a46b /drivers/iio/pressure | |
| parent | caf5ca122b6b4c2da62949538604f1dabe6f34e8 (diff) | |
| download | linux-next-a6cc5b250c88930c47a0a231107844b69f086428.tar.gz | |
iio: pressure-core: st: Clean-up probe() function
This patch contains some pretty basic clean-ups in probe() pertaining to
the simplification of error handling and a couple of readability adaptions.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/pressure')
| -rw-r--r-- | drivers/iio/pressure/st_pressure_core.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 3abada26c3c2..453995310d48 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -232,21 +232,23 @@ static const struct iio_trigger_ops st_press_trigger_ops = { int st_press_common_probe(struct iio_dev *indio_dev, struct st_sensors_platform_data *plat_data) { - int err; struct st_sensor_data *pdata = iio_priv(indio_dev); + int irq = pdata->get_irq_data_ready(indio_dev); + int err; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &press_info; err = st_sensors_check_device_support(indio_dev, - ARRAY_SIZE(st_press_sensors), st_press_sensors); + ARRAY_SIZE(st_press_sensors), + st_press_sensors); if (err < 0) - goto st_press_common_probe_error; + return err; pdata->num_data_channels = ST_PRESS_NUMBER_DATA_CHANNELS; - pdata->multiread_bit = pdata->sensor->multi_read_bit; - indio_dev->channels = pdata->sensor->ch; - indio_dev->num_channels = pdata->sensor->num_ch; + pdata->multiread_bit = pdata->sensor->multi_read_bit; + indio_dev->channels = pdata->sensor->ch; + indio_dev->num_channels = pdata->sensor->num_ch; if (pdata->sensor->fs.addr != 0) pdata->current_fullscale = (struct st_sensor_fullscale_avl *) @@ -261,15 +263,15 @@ int st_press_common_probe(struct iio_dev *indio_dev, err = st_sensors_init_sensor(indio_dev, plat_data); if (err < 0) - goto st_press_common_probe_error; + return err; - if (pdata->get_irq_data_ready(indio_dev) > 0) { + if (irq > 0) { err = st_press_allocate_ring(indio_dev); if (err < 0) - goto st_press_common_probe_error; + return err; err = st_sensors_allocate_trigger(indio_dev, - ST_PRESS_TRIGGER_OPS); + ST_PRESS_TRIGGER_OPS); if (err < 0) goto st_press_probe_trigger_error; } @@ -281,12 +283,12 @@ int st_press_common_probe(struct iio_dev *indio_dev, return err; st_press_device_register_error: - if (pdata->get_irq_data_ready(indio_dev) > 0) + if (irq > 0) st_sensors_deallocate_trigger(indio_dev); st_press_probe_trigger_error: - if (pdata->get_irq_data_ready(indio_dev) > 0) + if (irq > 0) st_press_deallocate_ring(indio_dev); -st_press_common_probe_error: + return err; } EXPORT_SYMBOL(st_press_common_probe); |