staging:iio:adis16201 replace unnecessary event line registration.
Untested but identical in form to those that have been. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jonathan Cameron
Greg Kroah-Hartman
parent
37f9d2714a
commit
80782446bc
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@ -479,14 +479,6 @@ static IIO_DEVICE_ATTR(reset, S_IWUSR, NULL, adis16201_write_reset, 0);
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static IIO_CONST_ATTR(name, "adis16201");
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static struct attribute *adis16201_event_attributes[] = {
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NULL
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};
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static struct attribute_group adis16201_event_attribute_group = {
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.attrs = adis16201_event_attributes,
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};
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static struct attribute *adis16201_attributes[] = {
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&iio_dev_attr_in0_supply_raw.dev_attr.attr,
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&iio_const_attr_in0_supply_scale.dev_attr.attr,
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@ -546,8 +538,6 @@ static int __devinit adis16201_probe(struct spi_device *spi)
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}
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st->indio_dev->dev.parent = &spi->dev;
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st->indio_dev->num_interrupt_lines = 1;
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st->indio_dev->event_attrs = &adis16201_event_attribute_group;
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st->indio_dev->attrs = &adis16201_attribute_group;
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st->indio_dev->dev_data = (void *)(st);
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st->indio_dev->driver_module = THIS_MODULE;
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@ -569,17 +559,9 @@ static int __devinit adis16201_probe(struct spi_device *spi)
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}
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if (spi->irq) {
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ret = iio_register_interrupt_line(spi->irq,
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st->indio_dev,
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0,
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IRQF_TRIGGER_RISING,
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"adis16201");
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if (ret)
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goto error_uninitialize_ring;
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ret = adis16201_probe_trigger(st->indio_dev);
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if (ret)
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goto error_unregister_line;
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goto error_uninitialize_ring;
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}
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/* Get the device into a sane initial state */
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@ -590,9 +572,6 @@ static int __devinit adis16201_probe(struct spi_device *spi)
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error_remove_trigger:
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adis16201_remove_trigger(st->indio_dev);
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error_unregister_line:
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if (spi->irq)
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iio_unregister_interrupt_line(st->indio_dev, 0);
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error_uninitialize_ring:
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adis16201_uninitialize_ring(st->indio_dev->ring);
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error_unreg_ring_funcs:
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@ -620,9 +599,6 @@ static int adis16201_remove(struct spi_device *spi)
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flush_scheduled_work();
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adis16201_remove_trigger(indio_dev);
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if (spi->irq)
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iio_unregister_interrupt_line(indio_dev, 0);
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adis16201_uninitialize_ring(indio_dev->ring);
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iio_device_unregister(indio_dev);
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adis16201_unconfigure_ring(indio_dev);
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@ -15,21 +15,13 @@
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/**
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* adis16201_data_rdy_trig_poll() the event handler for the data rdy trig
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**/
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static int adis16201_data_rdy_trig_poll(struct iio_dev *dev_info,
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int index,
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s64 timestamp,
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int no_test)
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static irqreturn_t adis16201_data_rdy_trig_poll(int irq, void *private)
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{
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struct adis16201_state *st = iio_dev_get_devdata(dev_info);
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struct iio_trigger *trig = st->trig;
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iio_trigger_poll(trig, timestamp);
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disable_irq_nosync(irq);
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iio_trigger_poll(private, iio_get_time_ns());
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return IRQ_HANDLED;
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}
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IIO_EVENT_SH(data_rdy_trig, &adis16201_data_rdy_trig_poll);
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static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
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static struct attribute *adis16201_trigger_attrs[] = {
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@ -49,20 +41,9 @@ static int adis16201_data_rdy_trigger_set_state(struct iio_trigger *trig,
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{
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struct adis16201_state *st = trig->private_data;
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struct iio_dev *indio_dev = st->indio_dev;
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int ret = 0;
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dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
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ret = adis16201_set_irq(&st->indio_dev->dev, state);
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if (state == false) {
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iio_remove_event_from_list(&iio_event_data_rdy_trig,
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&indio_dev->interrupts[0]
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->ev_list);
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flush_scheduled_work();
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} else {
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iio_add_event_to_list(&iio_event_data_rdy_trig,
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&indio_dev->interrupts[0]->ev_list);
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}
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return ret;
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return adis16201_set_irq(&st->indio_dev->dev, state);
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}
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/**
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@ -82,12 +63,23 @@ int adis16201_probe_trigger(struct iio_dev *indio_dev)
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struct adis16201_state *st = indio_dev->dev_data;
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st->trig = iio_allocate_trigger();
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if (st->trig == NULL) {
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ret = -ENOMEM;
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goto error_ret;
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}
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ret = request_irq(st->us->irq,
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adis16201_data_rdy_trig_poll,
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IRQF_TRIGGER_RISING,
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"adis16201",
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st->trig);
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if (ret)
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goto error_free_trig;
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st->trig->name = kasprintf(GFP_KERNEL,
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"adis16201-dev%d",
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indio_dev->id);
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if (!st->trig->name) {
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ret = -ENOMEM;
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goto error_free_trig;
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goto error_free_irq;
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}
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st->trig->dev.parent = &st->us->dev;
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st->trig->owner = THIS_MODULE;
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@ -106,9 +98,11 @@ int adis16201_probe_trigger(struct iio_dev *indio_dev)
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error_free_trig_name:
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kfree(st->trig->name);
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error_free_irq:
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free_irq(st->us->irq, st->trig);
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error_free_trig:
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iio_free_trigger(st->trig);
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error_ret:
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return ret;
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}
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@ -118,5 +112,6 @@ void adis16201_remove_trigger(struct iio_dev *indio_dev)
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iio_trigger_unregister(state->trig);
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kfree(state->trig->name);
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free_irq(state->us->irq, state->trig);
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iio_free_trigger(state->trig);
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}
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