1 files changed, 25 insertions, 75 deletions

diff --git a/drivers/staging/iio/imu/adis16400_trigger.c b/drivers/staging/iio/imu/adis16400_trigger.c
index 36b5ff5be983..c6ec41a02a69 100644
--- a/drivers/staging/iio/imu/adis16400_trigger.c
+++ b/drivers/staging/iio/imu/adis16400_trigger.c
@@ -13,113 +13,63 @@
 #include "adis16400.h"
 
 /**
- * adis16400_data_rdy_trig_poll() the event handler for the data rdy trig
- **/
-static int adis16400_data_rdy_trig_poll(struct iio_dev *dev_info,
-				       int index,
-				       s64 timestamp,
-				       int no_test)
-{
-	struct adis16400_state *st = iio_dev_get_devdata(dev_info);
-	struct iio_trigger *trig = st->trig;
-
-	iio_trigger_poll(trig, timestamp);
-
-	return IRQ_HANDLED;
-}
-
-IIO_EVENT_SH(data_rdy_trig, &adis16400_data_rdy_trig_poll);
-
-static IIO_TRIGGER_NAME_ATTR;
-
-static struct attribute *adis16400_trigger_attrs[] = {
-	&dev_attr_name.attr,
-	NULL,
-};
-
-static const struct attribute_group adis16400_trigger_attr_group = {
-	.attrs = adis16400_trigger_attrs,
-};
-
-/**
  * adis16400_data_rdy_trigger_set_state() set datardy interrupt state
  **/
 static int adis16400_data_rdy_trigger_set_state(struct iio_trigger *trig,
 						bool state)
 {
-	struct adis16400_state *st = trig->private_data;
-	struct iio_dev *indio_dev = st->indio_dev;
-	int ret = 0;
+	struct iio_dev *indio_dev = trig->private_data;
 
 	dev_dbg(&indio_dev->dev, "%s (%d)\n", __func__, state);
-	ret = adis16400_set_irq(&st->indio_dev->dev, state);
-	if (state == false) {
-		iio_remove_event_from_list(&iio_event_data_rdy_trig,
-					   &indio_dev->interrupts[0]
-					   ->ev_list);
-		/* possible quirk with handler currently worked around
-		   by ensuring the work queue is empty */
-		flush_scheduled_work();
-	} else {
-		iio_add_event_to_list(&iio_event_data_rdy_trig,
-				      &indio_dev->interrupts[0]->ev_list);
-	}
-	return ret;
-}
-
-/**
- * adis16400_trig_try_reen() try renabling irq for data rdy trigger
- * @trig:	the datardy trigger
- **/
-static int adis16400_trig_try_reen(struct iio_trigger *trig)
-{
-	struct adis16400_state *st = trig->private_data;
-	enable_irq(st->us->irq);
-	/* irq reenabled so success! */
-	return 0;
+	return adis16400_set_irq(indio_dev, state);
 }
 
 int adis16400_probe_trigger(struct iio_dev *indio_dev)
 {
 	int ret;
-	struct adis16400_state *st = indio_dev->dev_data;
+	struct adis16400_state *st = iio_priv(indio_dev);
 
-	st->trig = iio_allocate_trigger();
-	st->trig->name = kasprintf(GFP_KERNEL,
-				   "adis16400-dev%d",
-				   indio_dev->id);
-	if (!st->trig->name) {
+	st->trig = iio_allocate_trigger("%s-dev%d",
+					spi_get_device_id(st->us)->name,
+					indio_dev->id);
+	if (st->trig == NULL) {
 		ret = -ENOMEM;
-		goto error_free_trig;
+		goto error_ret;
 	}
+
+	ret = request_irq(st->us->irq,
+			  &iio_trigger_generic_data_rdy_poll,
+			  IRQF_TRIGGER_RISING,
+			  "adis16400",
+			  st->trig);
+	if (ret)
+		goto error_free_trig;
 	st->trig->dev.parent = &st->us->dev;
 	st->trig->owner = THIS_MODULE;
-	st->trig->private_data = st;
+	st->trig->private_data = indio_dev;
 	st->trig->set_trigger_state = &adis16400_data_rdy_trigger_set_state;
-	st->trig->try_reenable = &adis16400_trig_try_reen;
-	st->trig->control_attrs = &adis16400_trigger_attr_group;
 	ret = iio_trigger_register(st->trig);
 
 	/* select default trigger */
 	indio_dev->trig = st->trig;
 	if (ret)
-		goto error_free_trig_name;
+		goto error_free_irq;
 
 	return 0;
 
-error_free_trig_name:
-	kfree(st->trig->name);
+error_free_irq:
+	free_irq(st->us->irq, st->trig);
 error_free_trig:
 	iio_free_trigger(st->trig);
-
+error_ret:
 	return ret;
 }
 
 void adis16400_remove_trigger(struct iio_dev *indio_dev)
 {
-	struct adis16400_state *state = indio_dev->dev_data;
+	struct adis16400_state *st = iio_priv(indio_dev);
 
-	iio_trigger_unregister(state->trig);
-	kfree(state->trig->name);
-	iio_free_trigger(state->trig);
+	iio_trigger_unregister(st->trig);
+	free_irq(st->us->irq, st->trig);
+	iio_free_trigger(st->trig);
 }