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authorJonathan Cameron <jic23@cam.ac.uk>2011-05-18 13:41:36 (GMT)
committerGreg Kroah-Hartman <gregkh@suse.de>2011-05-19 23:14:52 (GMT)
commitd6d30d2685ca7605c5e142f40b8e0777d54755c2 (patch)
tree63f1ac24da2f5df6f2d97f19cb77c4daaaab40db /drivers/staging/iio/accel/adis16240_trigger.c
parentd7e044f146ade0336d431f1c15d4915565731963 (diff)
downloadlinux-fsl-qoriq-d6d30d2685ca7605c5e142f40b8e0777d54755c2.tar.xz
staging:iio:accel:adis16240 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>
Diffstat (limited to 'drivers/staging/iio/accel/adis16240_trigger.c')
-rw-r--r--drivers/staging/iio/accel/adis16240_trigger.c37
1 files changed, 12 insertions, 25 deletions
diff --git a/drivers/staging/iio/accel/adis16240_trigger.c b/drivers/staging/iio/accel/adis16240_trigger.c
index 3976c85..55e2145 100644
--- a/drivers/staging/iio/accel/adis16240_trigger.c
+++ b/drivers/staging/iio/accel/adis16240_trigger.c
@@ -17,7 +17,6 @@
**/
static irqreturn_t adis16240_data_rdy_trig_poll(int irq, void *trig)
{
- disable_irq_nosync(irq);
iio_trigger_poll(trig, iio_get_time_ns());
return IRQ_HANDLED;
}
@@ -46,27 +45,23 @@ static int adis16240_data_rdy_trigger_set_state(struct iio_trigger *trig,
return adis16240_set_irq(&st->indio_dev->dev, state);
}
-/**
- * adis16240_trig_try_reen() try renabling irq for data rdy trigger
- * @trig: the datardy trigger
- **/
-static int adis16240_trig_try_reen(struct iio_trigger *trig)
-{
- struct adis16240_state *st = trig->private_data;
- enable_irq(st->us->irq);
- return 0;
-}
-
int adis16240_probe_trigger(struct iio_dev *indio_dev)
{
int ret;
struct adis16240_state *st = indio_dev->dev_data;
+ char *name;
- st->trig = iio_allocate_trigger();
- if (st->trig == NULL) {
+ name = kasprintf(GFP_KERNEL, "adis16240-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,
adis16240_data_rdy_trig_poll,
IRQF_TRIGGER_RISING,
@@ -75,34 +70,26 @@ int adis16240_probe_trigger(struct iio_dev *indio_dev)
if (ret)
goto error_free_trig;
- st->trig->name = kasprintf(GFP_KERNEL,
- "adis16240-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 = &adis16240_data_rdy_trigger_set_state;
- st->trig->try_reenable = &adis16240_trig_try_reen;
st->trig->control_attrs = &adis16240_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;
}