staging:iio:accel:adis16204 move to irqchip based trigger handling.

Untested.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 16 insertions, 35 deletions

diff --git a/drivers/staging/iio/accel/adis16204_trigger.c b/drivers/staging/iio/accel/adis16204_trigger.c
index 85c648765f2..5f083f8147d 100644
--- a/drivers/staging/iio/accel/adis16204_trigger.c
+++ b/drivers/staging/iio/accel/adis16204_trigger.c
@@ -12,16 +12,6 @@
 #include "../trigger.h"
 #include "adis16204.h"
 
-/**
- * adis16204_data_rdy_trig_poll() the event handler for the data rdy trig
- **/
-static irqreturn_t adis16204_data_rdy_trig_poll(int irq, void *private)
-{
-	disable_irq_nosync(irq);
-	iio_trigger_poll(private, iio_get_time_ns());
-	return IRQ_HANDLED;
-}
-
 static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
 
 static struct attribute *adis16204_trigger_attrs[] = {
@@ -46,63 +36,54 @@ static int adis16204_data_rdy_trigger_set_state(struct iio_trigger *trig,
 	return adis16204_set_irq(&st->indio_dev->dev, state);
 }
 
-/**
- * adis16204_trig_try_reen() try renabling irq for data rdy trigger
- * @trig:	the datardy trigger
- **/
-static int adis16204_trig_try_reen(struct iio_trigger *trig)
-{
-	struct adis16204_state *st = trig->private_data;
-	enable_irq(st->us->irq);
-	return 0;
-}
-
 int adis16204_probe_trigger(struct iio_dev *indio_dev)
 {
 	int ret;
 	struct adis16204_state *st = indio_dev->dev_data;
+	char *name;
 
-	st->trig = iio_allocate_trigger();
-	if (st->trig == NULL) {
+	name = kasprintf(GFP_KERNEL,
+			 "adis16204-dev%d",
+			 indio_dev->id);
+	if (name == NULL) {
 		ret = -ENOMEM;
 		goto error_ret;
 	}
+
+	st->trig = iio_allocate_trigger_named(name);
+	if (st->trig == NULL) {
+		ret = -ENOMEM;
+		goto error_free_name;
+	}
+
 	ret = request_irq(st->us->irq,
-			  adis16204_data_rdy_trig_poll,
+			  &iio_trigger_generic_data_rdy_poll,
 			  IRQF_TRIGGER_RISING,
 			  "adis16204",
 			  st->trig);
 	if (ret)
 		goto error_free_trig;
 
-	st->trig->name = kasprintf(GFP_KERNEL,
-				"adis16204-dev%d",
-				indio_dev->id);
-	if (!st->trig->name) {
-		ret = -ENOMEM;
-		goto error_free_irq;
-	}
 	st->trig->dev.parent = &st->us->dev;
 	st->trig->owner = THIS_MODULE;
 	st->trig->private_data = st;
 	st->trig->set_trigger_state = &adis16204_data_rdy_trigger_set_state;
-	st->trig->try_reenable = &adis16204_trig_try_reen;
 	st->trig->control_attrs = &adis16204_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_free_name:
+	kfree(name);
 error_ret:
 	return ret;
 }