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staging:iio:trigger handle name attr in core, remove old alloc and register any control_attrs via struct device
As the majority of triggers don't actually have any other control_attrs lets use the fact that struct device has a groups element when we do need to have these attributes registered. A vargs function is used to cut down on lots of building strings in every single driver just in order to pass them into the allocate. Also iio_allocate_trigger_named -> iio_allocate_trigger as there is no unamed version any more, so that is now just confusing. Blackfin tested and fixed by Michael Hennerich. V2: Elements from Michael Hennerich's patches for the ade7758 Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
parent
3b8ebfb47f
commit
59c85e82c2
@ -11,17 +11,6 @@
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#include "../trigger.h"
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#include "adis16201.h"
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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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&dev_attr_name.attr,
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NULL,
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};
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static const struct attribute_group adis16201_trigger_attr_group = {
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.attrs = adis16201_trigger_attrs,
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};
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/**
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* adis16201_data_rdy_trigger_set_state() set datardy interrupt state
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**/
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@ -39,19 +28,11 @@ int adis16201_probe_trigger(struct iio_dev *indio_dev)
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{
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int ret;
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struct adis16201_state *st = indio_dev->dev_data;
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char *name;
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name = kasprintf(GFP_KERNEL,
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"adis16201-dev%d",
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indio_dev->id);
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if (name == NULL) {
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ret = -ENOMEM;
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goto error_ret;
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}
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st->trig = iio_allocate_trigger_named(name);
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st->trig = iio_allocate_trigger("adis16201-dev%d", indio_dev->id);
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if (st->trig == NULL) {
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ret = -ENOMEM;
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goto error_free_name;
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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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&iio_trigger_generic_data_rdy_poll,
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@ -64,7 +45,6 @@ int adis16201_probe_trigger(struct iio_dev *indio_dev)
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st->trig->owner = THIS_MODULE;
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st->trig->private_data = st;
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st->trig->set_trigger_state = &adis16201_data_rdy_trigger_set_state;
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st->trig->control_attrs = &adis16201_trigger_attr_group;
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ret = iio_trigger_register(st->trig);
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/* select default trigger */
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@ -78,8 +58,6 @@ 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_free_name:
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kfree(name);
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error_ret:
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return ret;
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}
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@ -89,7 +67,6 @@ void adis16201_remove_trigger(struct iio_dev *indio_dev)
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struct adis16201_state *state = indio_dev->dev_data;
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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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@ -12,17 +12,6 @@
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#include "../trigger.h"
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#include "adis16203.h"
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static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
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static struct attribute *adis16203_trigger_attrs[] = {
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&dev_attr_name.attr,
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NULL,
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};
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static const struct attribute_group adis16203_trigger_attr_group = {
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.attrs = adis16203_trigger_attrs,
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};
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/**
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* adis16203_data_rdy_trigger_set_state() set datardy interrupt state
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**/
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@ -40,20 +29,11 @@ int adis16203_probe_trigger(struct iio_dev *indio_dev)
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{
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int ret;
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struct adis16203_state *st = indio_dev->dev_data;
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char *name;
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name = kasprintf(GFP_KERNEL,
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"adis16203-dev%d",
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indio_dev->id);
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if (name == NULL) {
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ret = -ENOMEM;
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goto error_ret;
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}
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st->trig = iio_allocate_trigger_named(name);
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st->trig = iio_allocate_trigger("adis16203-dev%d", indio_dev->id);
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if (st->trig == NULL) {
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ret = -ENOMEM;
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goto error_free_name;
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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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@ -68,7 +48,6 @@ int adis16203_probe_trigger(struct iio_dev *indio_dev)
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st->trig->owner = THIS_MODULE;
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st->trig->private_data = st;
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st->trig->set_trigger_state = &adis16203_data_rdy_trigger_set_state;
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st->trig->control_attrs = &adis16203_trigger_attr_group;
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ret = iio_trigger_register(st->trig);
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/* select default trigger */
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@ -82,8 +61,6 @@ 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_free_name:
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kfree(name);
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error_ret:
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return ret;
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}
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@ -93,7 +70,6 @@ void adis16203_remove_trigger(struct iio_dev *indio_dev)
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struct adis16203_state *state = indio_dev->dev_data;
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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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@ -12,17 +12,6 @@
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#include "../trigger.h"
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#include "adis16204.h"
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static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
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static struct attribute *adis16204_trigger_attrs[] = {
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&dev_attr_name.attr,
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NULL,
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};
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static const struct attribute_group adis16204_trigger_attr_group = {
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.attrs = adis16204_trigger_attrs,
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};
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/**
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* adis16204_data_rdy_trigger_set_state() set datardy interrupt state
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**/
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@ -40,20 +29,11 @@ int adis16204_probe_trigger(struct iio_dev *indio_dev)
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{
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int ret;
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struct adis16204_state *st = indio_dev->dev_data;
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char *name;
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name = kasprintf(GFP_KERNEL,
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"adis16204-dev%d",
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indio_dev->id);
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if (name == NULL) {
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ret = -ENOMEM;
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goto error_ret;
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}
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st->trig = iio_allocate_trigger_named(name);
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st->trig = iio_allocate_trigger("adis16204-dev%d", indio_dev->id);
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if (st->trig == NULL) {
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ret = -ENOMEM;
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goto error_free_name;
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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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@ -68,7 +48,6 @@ int adis16204_probe_trigger(struct iio_dev *indio_dev)
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st->trig->owner = THIS_MODULE;
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st->trig->private_data = st;
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st->trig->set_trigger_state = &adis16204_data_rdy_trigger_set_state;
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st->trig->control_attrs = &adis16204_trigger_attr_group;
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ret = iio_trigger_register(st->trig);
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/* select default trigger */
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@ -82,8 +61,6 @@ 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_free_name:
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kfree(name);
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error_ret:
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return ret;
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}
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@ -93,7 +70,6 @@ void adis16204_remove_trigger(struct iio_dev *indio_dev)
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struct adis16204_state *state = indio_dev->dev_data;
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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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@ -21,17 +21,6 @@ static irqreturn_t adis16209_data_rdy_trig_poll(int irq, void *trig)
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return IRQ_HANDLED;
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}
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static IIO_TRIGGER_NAME_ATTR;
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static struct attribute *adis16209_trigger_attrs[] = {
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&dev_attr_name.attr,
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NULL,
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};
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static const struct attribute_group adis16209_trigger_attr_group = {
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.attrs = adis16209_trigger_attrs,
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};
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/**
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* adis16209_data_rdy_trigger_set_state() set datardy interrupt state
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**/
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@ -49,20 +38,11 @@ int adis16209_probe_trigger(struct iio_dev *indio_dev)
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{
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int ret;
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struct adis16209_state *st = indio_dev->dev_data;
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char *name;
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name = kasprintf(GFP_KERNEL,
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"adis16209-dev%d",
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indio_dev->id);
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if (name == NULL) {
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ret = -ENOMEM;
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goto error_ret;
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}
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st->trig = iio_allocate_trigger_named(name);
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st->trig = iio_allocate_trigger("adis16209-dev%d", indio_dev->id);
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if (st->trig == NULL) {
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ret = -ENOMEM;
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goto error_free_name;
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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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@ -76,7 +56,6 @@ int adis16209_probe_trigger(struct iio_dev *indio_dev)
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st->trig->owner = THIS_MODULE;
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st->trig->private_data = st;
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st->trig->set_trigger_state = &adis16209_data_rdy_trigger_set_state;
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st->trig->control_attrs = &adis16209_trigger_attr_group;
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ret = iio_trigger_register(st->trig);
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/* select default trigger */
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@ -90,8 +69,6 @@ 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_free_name:
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kfree(name);
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error_ret:
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return ret;
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}
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@ -101,7 +78,6 @@ void adis16209_remove_trigger(struct iio_dev *indio_dev)
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struct adis16209_state *state = indio_dev->dev_data;
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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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@ -21,17 +21,6 @@ static irqreturn_t adis16240_data_rdy_trig_poll(int irq, void *trig)
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return IRQ_HANDLED;
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}
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static IIO_TRIGGER_NAME_ATTR;
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static struct attribute *adis16240_trigger_attrs[] = {
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&dev_attr_name.attr,
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NULL,
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};
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static const struct attribute_group adis16240_trigger_attr_group = {
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.attrs = adis16240_trigger_attrs,
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};
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/**
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* adis16240_data_rdy_trigger_set_state() set datardy interrupt state
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**/
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@ -49,17 +38,11 @@ int adis16240_probe_trigger(struct iio_dev *indio_dev)
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{
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int ret;
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struct adis16240_state *st = indio_dev->dev_data;
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char *name;
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name = kasprintf(GFP_KERNEL, "adis16240-dev%d", indio_dev->id);
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if (name == NULL) {
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ret = -ENOMEM;
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goto error_ret;
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}
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st->trig = iio_allocate_trigger_named(name);
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st->trig = iio_allocate_trigger("adis16240-dev%d", indio_dev->id);
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if (st->trig == NULL) {
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ret = -ENOMEM;
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goto error_free_name;
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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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@ -74,7 +57,6 @@ int adis16240_probe_trigger(struct iio_dev *indio_dev)
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st->trig->owner = THIS_MODULE;
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st->trig->private_data = st;
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st->trig->set_trigger_state = &adis16240_data_rdy_trigger_set_state;
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st->trig->control_attrs = &adis16240_trigger_attr_group;
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ret = iio_trigger_register(st->trig);
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/* select default trigger */
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@ -88,8 +70,6 @@ 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_free_name:
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kfree(name);
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error_ret:
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return ret;
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}
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@ -99,7 +79,6 @@ void adis16240_remove_trigger(struct iio_dev *indio_dev)
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struct adis16240_state *state = indio_dev->dev_data;
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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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@ -260,17 +260,6 @@ static int lis3l02dq_data_rdy_trigger_set_state(struct iio_trigger *trig,
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return ret;
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}
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static IIO_TRIGGER_NAME_ATTR;
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static struct attribute *lis3l02dq_trigger_attrs[] = {
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&dev_attr_name.attr,
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NULL,
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};
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static const struct attribute_group lis3l02dq_trigger_attr_group = {
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.attrs = lis3l02dq_trigger_attrs,
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};
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/**
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* lis3l02dq_trig_try_reen() try renabling irq for data rdy trigger
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* @trig: the datardy trigger
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@ -301,19 +290,11 @@ int lis3l02dq_probe_trigger(struct iio_dev *indio_dev)
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struct iio_sw_ring_helper_state *h
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= iio_dev_get_devdata(indio_dev);
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struct lis3l02dq_state *st = lis3l02dq_h_to_s(h);
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char *name;
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name = kasprintf(GFP_KERNEL,
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"lis3l02dq-dev%d",
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indio_dev->id);
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if (name == NULL) {
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ret = -ENOMEM;
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goto error_ret;
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}
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st->trig = iio_allocate_trigger_named(name);
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st->trig = iio_allocate_trigger("lis3l02dq-dev%d", indio_dev->id);
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if (!st->trig) {
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ret = -ENOMEM;
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goto error_free_name;
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goto error_ret;
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}
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st->trig->dev.parent = &st->us->dev;
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@ -321,7 +302,6 @@ int lis3l02dq_probe_trigger(struct iio_dev *indio_dev)
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st->trig->private_data = st;
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st->trig->set_trigger_state = &lis3l02dq_data_rdy_trigger_set_state;
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st->trig->try_reenable = &lis3l02dq_trig_try_reen;
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st->trig->control_attrs = &lis3l02dq_trigger_attr_group;
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ret = iio_trigger_register(st->trig);
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if (ret)
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goto error_free_trig;
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@ -330,8 +310,6 @@ int lis3l02dq_probe_trigger(struct iio_dev *indio_dev)
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error_free_trig:
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iio_free_trigger(st->trig);
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error_free_name:
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kfree(name);
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error_ret:
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return ret;
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}
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@ -343,7 +321,6 @@ void lis3l02dq_remove_trigger(struct iio_dev *indio_dev)
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struct lis3l02dq_state *st = lis3l02dq_h_to_s(h);
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iio_trigger_unregister(st->trig);
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kfree(st->trig->name);
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iio_free_trigger(st->trig);
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}
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@ -12,17 +12,6 @@
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#include "../trigger.h"
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#include "adis16260.h"
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static IIO_TRIGGER_NAME_ATTR;
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static struct attribute *adis16260_trigger_attrs[] = {
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&dev_attr_name.attr,
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NULL,
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};
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static const struct attribute_group adis16260_trigger_attr_group = {
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.attrs = adis16260_trigger_attrs,
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};
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/**
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* adis16260_data_rdy_trigger_set_state() set datardy interrupt state
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**/
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@ -40,20 +29,13 @@ int adis16260_probe_trigger(struct iio_dev *indio_dev)
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{
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int ret;
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struct adis16260_state *st = indio_dev->dev_data;
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char *name;
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name = kasprintf(GFP_KERNEL,
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"%s-dev%d",
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spi_get_device_id(st->us)->name,
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indio_dev->id);
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if (name == NULL) {
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ret = -ENOMEM;
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goto error_ret;
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}
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st->trig = iio_allocate_trigger_named(name);
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st->trig = iio_allocate_trigger("%s-dev%d",
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spi_get_device_id(st->us)->name,
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indio_dev->id);
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if (st->trig == NULL) {
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ret = -ENOMEM;
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goto error_free_name;
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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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@ -68,7 +50,6 @@ int adis16260_probe_trigger(struct iio_dev *indio_dev)
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st->trig->owner = THIS_MODULE;
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st->trig->private_data = st;
|
||||
st->trig->set_trigger_state = &adis16260_data_rdy_trigger_set_state;
|
||||
st->trig->control_attrs = &adis16260_trigger_attr_group;
|
||||
ret = iio_trigger_register(st->trig);
|
||||
|
||||
/* select default trigger */
|
||||
@ -82,8 +63,6 @@ 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;
|
||||
}
|
||||
@ -93,7 +72,6 @@ void adis16260_remove_trigger(struct iio_dev *indio_dev)
|
||||
struct adis16260_state *state = indio_dev->dev_data;
|
||||
|
||||
iio_trigger_unregister(state->trig);
|
||||
kfree(state->trig->name);
|
||||
free_irq(state->us->irq, state->trig);
|
||||
iio_free_trigger(state->trig);
|
||||
}
|
||||
|
@ -12,17 +12,6 @@
|
||||
#include "../trigger.h"
|
||||
#include "adis16400.h"
|
||||
|
||||
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
|
||||
**/
|
||||
@ -40,21 +29,13 @@ int adis16400_probe_trigger(struct iio_dev *indio_dev)
|
||||
{
|
||||
int ret;
|
||||
struct adis16400_state *st = indio_dev->dev_data;
|
||||
char *name;
|
||||
|
||||
name = kasprintf(GFP_KERNEL,
|
||||
"%s-dev%d",
|
||||
spi_get_device_id(st->us)->name,
|
||||
indio_dev->id);
|
||||
if (name == NULL) {
|
||||
ret = -ENOMEM;
|
||||
goto error_ret;
|
||||
}
|
||||
|
||||
st->trig = iio_allocate_trigger_named(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_name;
|
||||
goto error_ret;
|
||||
}
|
||||
|
||||
ret = request_irq(st->us->irq,
|
||||
@ -68,7 +49,6 @@ int adis16400_probe_trigger(struct iio_dev *indio_dev)
|
||||
st->trig->owner = THIS_MODULE;
|
||||
st->trig->private_data = st;
|
||||
st->trig->set_trigger_state = &adis16400_data_rdy_trigger_set_state;
|
||||
st->trig->control_attrs = &adis16400_trigger_attr_group;
|
||||
ret = iio_trigger_register(st->trig);
|
||||
|
||||
/* select default trigger */
|
||||
@ -82,8 +62,6 @@ 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;
|
||||
}
|
||||
@ -93,7 +71,6 @@ void adis16400_remove_trigger(struct iio_dev *indio_dev)
|
||||
struct adis16400_state *state = indio_dev->dev_data;
|
||||
|
||||
iio_trigger_unregister(state->trig);
|
||||
kfree(state->trig->name);
|
||||
free_irq(state->us->irq, state->trig);
|
||||
iio_free_trigger(state->trig);
|
||||
}
|
||||
|
@ -38,6 +38,19 @@ static DEFINE_SPINLOCK(iio_trigger_idr_lock);
|
||||
static LIST_HEAD(iio_trigger_list);
|
||||
static DEFINE_MUTEX(iio_trigger_list_lock);
|
||||
|
||||
/**
|
||||
* iio_trigger_read_name() - retrieve useful identifying name
|
||||
**/
|
||||
static ssize_t iio_trigger_read_name(struct device *dev,
|
||||
struct device_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
struct iio_trigger *trig = dev_get_drvdata(dev);
|
||||
return sprintf(buf, "%s\n", trig->name);
|
||||
}
|
||||
|
||||
static DEVICE_ATTR(name, S_IRUGO, iio_trigger_read_name, NULL);
|
||||
|
||||
/**
|
||||
* iio_trigger_register_sysfs() - create a device for this trigger
|
||||
* @trig_info: the trigger
|
||||
@ -46,20 +59,16 @@ static DEFINE_MUTEX(iio_trigger_list_lock);
|
||||
**/
|
||||
static int iio_trigger_register_sysfs(struct iio_trigger *trig_info)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
if (trig_info->control_attrs)
|
||||
ret = sysfs_create_group(&trig_info->dev.kobj,
|
||||
trig_info->control_attrs);
|
||||
|
||||
return ret;
|
||||
return sysfs_add_file_to_group(&trig_info->dev.kobj,
|
||||
&dev_attr_name.attr,
|
||||
NULL);
|
||||
}
|
||||
|
||||
static void iio_trigger_unregister_sysfs(struct iio_trigger *trig_info)
|
||||
{
|
||||
if (trig_info->control_attrs)
|
||||
sysfs_remove_group(&trig_info->dev.kobj,
|
||||
trig_info->control_attrs);
|
||||
sysfs_remove_file_from_group(&trig_info->dev.kobj,
|
||||
&dev_attr_name.attr,
|
||||
NULL);
|
||||
}
|
||||
|
||||
|
||||
@ -205,18 +214,6 @@ void iio_trigger_notify_done(struct iio_trigger *trig)
|
||||
}
|
||||
EXPORT_SYMBOL(iio_trigger_notify_done);
|
||||
|
||||
/**
|
||||
* iio_trigger_read_name() - retrieve useful identifying name
|
||||
**/
|
||||
ssize_t iio_trigger_read_name(struct device *dev,
|
||||
struct device_attribute *attr,
|
||||
char *buf)
|
||||
{
|
||||
struct iio_trigger *trig = dev_get_drvdata(dev);
|
||||
return sprintf(buf, "%s\n", trig->name);
|
||||
}
|
||||
EXPORT_SYMBOL(iio_trigger_read_name);
|
||||
|
||||
/* Trigger Consumer related functions */
|
||||
|
||||
/* Complexity in here. With certain triggers (datardy) an acknowledgement
|
||||
@ -355,6 +352,7 @@ static void iio_trig_release(struct device *device)
|
||||
irq_free_descs(trig->subirq_base,
|
||||
CONFIG_IIO_CONSUMERS_PER_TRIGGER);
|
||||
}
|
||||
kfree(trig->name);
|
||||
kfree(trig);
|
||||
iio_put();
|
||||
}
|
||||
@ -381,8 +379,9 @@ static void iio_trig_subirqunmask(struct irq_data *d)
|
||||
trig->subirqs[d->irq - trig->subirq_base].enabled = true;
|
||||
}
|
||||
|
||||
struct iio_trigger *iio_allocate_trigger_named(const char *name)
|
||||
struct iio_trigger *iio_allocate_trigger(const char *fmt, ...)
|
||||
{
|
||||
va_list vargs;
|
||||
struct iio_trigger *trig;
|
||||
trig = kzalloc(sizeof *trig, GFP_KERNEL);
|
||||
if (trig) {
|
||||
@ -392,40 +391,40 @@ struct iio_trigger *iio_allocate_trigger_named(const char *name)
|
||||
device_initialize(&trig->dev);
|
||||
dev_set_drvdata(&trig->dev, (void *)trig);
|
||||
|
||||
if (name) {
|
||||
mutex_init(&trig->pool_lock);
|
||||
trig->subirq_base
|
||||
= irq_alloc_descs(-1, 0,
|
||||
CONFIG_IIO_CONSUMERS_PER_TRIGGER,
|
||||
0);
|
||||
if (trig->subirq_base < 0) {
|
||||
kfree(trig);
|
||||
return NULL;
|
||||
}
|
||||
trig->name = name;
|
||||
trig->subirq_chip.name = name;
|
||||
trig->subirq_chip.irq_mask = &iio_trig_subirqmask;
|
||||
trig->subirq_chip.irq_unmask = &iio_trig_subirqunmask;
|
||||
for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) {
|
||||
irq_set_chip(trig->subirq_base + i,
|
||||
&trig->subirq_chip);
|
||||
irq_set_handler(trig->subirq_base + i,
|
||||
&handle_simple_irq);
|
||||
irq_modify_status(trig->subirq_base + i,
|
||||
IRQ_NOREQUEST | IRQ_NOAUTOEN,
|
||||
IRQ_NOPROBE);
|
||||
}
|
||||
mutex_init(&trig->pool_lock);
|
||||
trig->subirq_base
|
||||
= irq_alloc_descs(-1, 0,
|
||||
CONFIG_IIO_CONSUMERS_PER_TRIGGER,
|
||||
0);
|
||||
if (trig->subirq_base < 0) {
|
||||
kfree(trig);
|
||||
return NULL;
|
||||
}
|
||||
va_start(vargs, fmt);
|
||||
trig->name = kvasprintf(GFP_KERNEL, fmt, vargs);
|
||||
va_end(vargs);
|
||||
if (trig->name == NULL) {
|
||||
irq_free_descs(trig->subirq_base,
|
||||
CONFIG_IIO_CONSUMERS_PER_TRIGGER);
|
||||
kfree(trig);
|
||||
return NULL;
|
||||
}
|
||||
trig->subirq_chip.name = trig->name;
|
||||
trig->subirq_chip.irq_mask = &iio_trig_subirqmask;
|
||||
trig->subirq_chip.irq_unmask = &iio_trig_subirqunmask;
|
||||
for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) {
|
||||
irq_set_chip(trig->subirq_base + i,
|
||||
&trig->subirq_chip);
|
||||
irq_set_handler(trig->subirq_base + i,
|
||||
&handle_simple_irq);
|
||||
irq_modify_status(trig->subirq_base + i,
|
||||
IRQ_NOREQUEST | IRQ_NOAUTOEN,
|
||||
IRQ_NOPROBE);
|
||||
}
|
||||
iio_get();
|
||||
}
|
||||
return trig;
|
||||
}
|
||||
EXPORT_SYMBOL(iio_allocate_trigger_named);
|
||||
|
||||
struct iio_trigger *iio_allocate_trigger(void)
|
||||
{
|
||||
return iio_allocate_trigger_named(NULL);
|
||||
}
|
||||
EXPORT_SYMBOL(iio_allocate_trigger);
|
||||
|
||||
void iio_free_trigger(struct iio_trigger *trig)
|
||||
|
@ -61,21 +61,13 @@ int ade7758_probe_trigger(struct iio_dev *indio_dev)
|
||||
{
|
||||
int ret;
|
||||
struct ade7758_state *st = indio_dev->dev_data;
|
||||
char *name;
|
||||
|
||||
name = kasprintf(GFP_KERNEL,
|
||||
"%s-dev%d",
|
||||
spi_get_device_id(st->us)->name,
|
||||
indio_dev->id);
|
||||
if (name == NULL) {
|
||||
ret = -ENOMEM;
|
||||
goto error_ret;
|
||||
}
|
||||
|
||||
st->trig = iio_allocate_trigger_named(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_name;
|
||||
goto error_ret;
|
||||
}
|
||||
|
||||
ret = request_irq(st->us->irq,
|
||||
@ -104,8 +96,6 @@ 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;
|
||||
}
|
||||
@ -115,7 +105,6 @@ void ade7758_remove_trigger(struct iio_dev *indio_dev)
|
||||
struct ade7758_state *state = indio_dev->dev_data;
|
||||
|
||||
iio_trigger_unregister(state->trig);
|
||||
kfree(state->trig->name);
|
||||
free_irq(state->us->irq, state->trig);
|
||||
iio_free_trigger(state->trig);
|
||||
}
|
||||
|
@ -24,12 +24,16 @@ struct iio_subirq {
|
||||
* @private_data: [DRIVER] device specific data
|
||||
* @list: [INTERN] used in maintenance of global trigger list
|
||||
* @alloc_list: [DRIVER] used for driver specific trigger list
|
||||
* @control_attrs: [DRIVER] sysfs attributes relevant to trigger type
|
||||
* @owner: [DRIVER] used to monitor usage count of the trigger.
|
||||
* @use_count: use count for the trigger
|
||||
* @set_trigger_state: [DRIVER] switch on/off the trigger on demand
|
||||
* @try_reenable: function to reenable the trigger when the
|
||||
* use count is zero (may be NULL)
|
||||
* @subirq_chip: [INTERN] associate 'virtual' irq chip.
|
||||
* @subirq_base: [INTERN] base number for irqs provided by trigger.
|
||||
* @subirqs: [INTERN] information about the 'child' irqs.
|
||||
* @pool: [INTERN] bitmap of irqs currently in use.
|
||||
* @pool_lock: [INTERN] protection of the irq pool.
|
||||
**/
|
||||
struct iio_trigger {
|
||||
int id;
|
||||
@ -39,7 +43,6 @@ struct iio_trigger {
|
||||
void *private_data;
|
||||
struct list_head list;
|
||||
struct list_head alloc_list;
|
||||
const struct attribute_group *control_attrs;
|
||||
struct module *owner;
|
||||
int use_count;
|
||||
|
||||
@ -71,20 +74,6 @@ static inline void iio_get_trigger(struct iio_trigger *trig)
|
||||
get_device(&trig->dev);
|
||||
};
|
||||
|
||||
/**
|
||||
* iio_trigger_read_name() - sysfs access function to get the trigger name
|
||||
* @dev: the system device
|
||||
* @attr: device attributes for the device
|
||||
* @buf: output buffer to store the trigger name
|
||||
**/
|
||||
ssize_t iio_trigger_read_name(struct device *dev,
|
||||
struct device_attribute *attr,
|
||||
char *buf);
|
||||
|
||||
#define IIO_TRIGGER_NAME_ATTR DEVICE_ATTR(name, S_IRUGO, \
|
||||
iio_trigger_read_name, \
|
||||
NULL);
|
||||
|
||||
/**
|
||||
* iio_trigger_register() - register a trigger with the IIO core
|
||||
* @trig_info: trigger to be registered
|
||||
@ -154,6 +143,7 @@ static inline void iio_trigger_put_irq(struct iio_trigger *trig, int irq)
|
||||
* @h: the function that is actually run on trigger
|
||||
* @thread: threaded interrupt part
|
||||
* @type: the type of interrupt (basically if oneshot)
|
||||
* @name: name used to identify the trigger consumer.
|
||||
* @irq: the corresponding irq as allocated from the
|
||||
* trigger pool
|
||||
* @timestamp: some devices need a timestamp grabbed as soon
|
||||
@ -179,8 +169,8 @@ irqreturn_t iio_pollfunc_store_time(int irq, void *p);
|
||||
int iio_triggered_ring_postenable(struct iio_dev *indio_dev);
|
||||
int iio_triggered_ring_predisable(struct iio_dev *indio_dev);
|
||||
|
||||
struct iio_trigger *iio_allocate_trigger(void);
|
||||
struct iio_trigger *iio_allocate_trigger_named(const char *name);
|
||||
struct iio_trigger *iio_allocate_trigger(const char *fmt, ...)
|
||||
__attribute__((format(printf, 1, 2)));
|
||||
void iio_free_trigger(struct iio_trigger *trig);
|
||||
|
||||
#endif /* _IIO_TRIGGER_H_ */
|
||||
|
@ -106,11 +106,9 @@ static ssize_t iio_bfin_tmr_frequency_show(struct device *dev,
|
||||
|
||||
static DEVICE_ATTR(frequency, S_IRUGO | S_IWUSR, iio_bfin_tmr_frequency_show,
|
||||
iio_bfin_tmr_frequency_store);
|
||||
static IIO_TRIGGER_NAME_ATTR;
|
||||
|
||||
static struct attribute *iio_bfin_tmr_trigger_attrs[] = {
|
||||
&dev_attr_frequency.attr,
|
||||
&dev_attr_name.attr,
|
||||
NULL,
|
||||
};
|
||||
|
||||
@ -118,6 +116,11 @@ static const struct attribute_group iio_bfin_tmr_trigger_attr_group = {
|
||||
.attrs = iio_bfin_tmr_trigger_attrs,
|
||||
};
|
||||
|
||||
static const struct attribute_group *iio_bfin_tmr_trigger_attr_groups[] = {
|
||||
&iio_bfin_tmr_trigger_attr_group,
|
||||
NULL
|
||||
};
|
||||
|
||||
|
||||
static irqreturn_t iio_bfin_tmr_trigger_isr(int irq, void *devid)
|
||||
{
|
||||
@ -165,24 +168,18 @@ static int __devinit iio_bfin_tmr_trigger_probe(struct platform_device *pdev)
|
||||
st->timer_num = ret;
|
||||
st->t = &iio_bfin_timer_code[st->timer_num];
|
||||
|
||||
st->trig = iio_allocate_trigger();
|
||||
st->trig = iio_allocate_trigger("bfintmr%d", st->timer_num);
|
||||
if (!st->trig) {
|
||||
ret = -ENOMEM;
|
||||
goto out1;
|
||||
}
|
||||
|
||||
st->trig->private_data = st;
|
||||
st->trig->control_attrs = &iio_bfin_tmr_trigger_attr_group;
|
||||
st->trig->owner = THIS_MODULE;
|
||||
st->trig->name = kasprintf(GFP_KERNEL, "bfintmr%d", st->timer_num);
|
||||
if (st->trig->name == NULL) {
|
||||
ret = -ENOMEM;
|
||||
goto out2;
|
||||
}
|
||||
|
||||
st->trig->dev.groups = iio_bfin_tmr_trigger_attr_groups;
|
||||
ret = iio_trigger_register(st->trig);
|
||||
if (ret)
|
||||
goto out3;
|
||||
goto out2;
|
||||
|
||||
ret = request_irq(st->irq, iio_bfin_tmr_trigger_isr,
|
||||
0, st->trig->name, st);
|
||||
@ -201,8 +198,6 @@ static int __devinit iio_bfin_tmr_trigger_probe(struct platform_device *pdev)
|
||||
return 0;
|
||||
out4:
|
||||
iio_trigger_unregister(st->trig);
|
||||
out3:
|
||||
kfree(st->trig->name);
|
||||
out2:
|
||||
iio_put_trigger(st->trig);
|
||||
out1:
|
||||
@ -218,7 +213,6 @@ static int __devexit iio_bfin_tmr_trigger_remove(struct platform_device *pdev)
|
||||
disable_gptimers(st->t->bit);
|
||||
free_irq(st->irq, st);
|
||||
iio_trigger_unregister(st->trig);
|
||||
kfree(st->trig->name);
|
||||
iio_put_trigger(st->trig);
|
||||
kfree(st);
|
||||
|
||||
|
@ -47,17 +47,6 @@ static irqreturn_t iio_gpio_trigger_poll(int irq, void *private)
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static IIO_TRIGGER_NAME_ATTR;
|
||||
|
||||
static struct attribute *iio_gpio_trigger_attrs[] = {
|
||||
&dev_attr_name.attr,
|
||||
NULL,
|
||||
};
|
||||
|
||||
static const struct attribute_group iio_gpio_trigger_attr_group = {
|
||||
.attrs = iio_gpio_trigger_attrs,
|
||||
};
|
||||
|
||||
static int iio_gpio_trigger_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct iio_gpio_trigger_info *trig_info;
|
||||
@ -79,7 +68,7 @@ static int iio_gpio_trigger_probe(struct platform_device *pdev)
|
||||
|
||||
for (irq = irq_res->start; irq <= irq_res->end; irq++) {
|
||||
|
||||
trig = iio_allocate_trigger();
|
||||
trig = iio_allocate_trigger("irqtrig%d", irq);
|
||||
if (!trig) {
|
||||
ret = -ENOMEM;
|
||||
goto error_free_completed_registrations;
|
||||
@ -90,21 +79,15 @@ static int iio_gpio_trigger_probe(struct platform_device *pdev)
|
||||
ret = -ENOMEM;
|
||||
goto error_put_trigger;
|
||||
}
|
||||
trig->control_attrs = &iio_gpio_trigger_attr_group;
|
||||
trig->private_data = trig_info;
|
||||
trig_info->irq = irq;
|
||||
trig->owner = THIS_MODULE;
|
||||
trig->name = kasprintf(GFP_KERNEL, "irqtrig%d", irq);
|
||||
if (trig->name == NULL) {
|
||||
ret = -ENOMEM;
|
||||
goto error_free_trig_info;
|
||||
}
|
||||
ret = request_irq(irq, iio_gpio_trigger_poll,
|
||||
irqflags, trig->name, trig);
|
||||
if (ret) {
|
||||
dev_err(&pdev->dev,
|
||||
"request IRQ-%d failed", irq);
|
||||
goto error_free_name;
|
||||
goto error_free_trig_info;
|
||||
}
|
||||
|
||||
ret = iio_trigger_register(trig);
|
||||
@ -124,8 +107,6 @@ static int iio_gpio_trigger_probe(struct platform_device *pdev)
|
||||
/* First clean up the partly allocated trigger */
|
||||
error_release_irq:
|
||||
free_irq(irq, trig);
|
||||
error_free_name:
|
||||
kfree(trig->name);
|
||||
error_free_trig_info:
|
||||
kfree(trig_info);
|
||||
error_put_trigger:
|
||||
@ -138,7 +119,6 @@ error_free_completed_registrations:
|
||||
alloc_list) {
|
||||
trig_info = trig->private_data;
|
||||
free_irq(gpio_to_irq(trig_info->irq), trig);
|
||||
kfree(trig->name);
|
||||
kfree(trig_info);
|
||||
iio_trigger_unregister(trig);
|
||||
}
|
||||
@ -159,7 +139,6 @@ static int iio_gpio_trigger_remove(struct platform_device *pdev)
|
||||
trig_info = trig->private_data;
|
||||
iio_trigger_unregister(trig);
|
||||
free_irq(trig_info->irq, trig);
|
||||
kfree(trig->name);
|
||||
kfree(trig_info);
|
||||
iio_put_trigger(trig);
|
||||
}
|
||||
|
@ -72,20 +72,24 @@ error_ret:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static IIO_TRIGGER_NAME_ATTR;
|
||||
static DEVICE_ATTR(frequency, S_IRUGO | S_IWUSR,
|
||||
iio_trig_periodic_read_freq,
|
||||
iio_trig_periodic_write_freq);
|
||||
|
||||
static struct attribute *iio_trig_prtc_attrs[] = {
|
||||
&dev_attr_frequency.attr,
|
||||
&dev_attr_name.attr,
|
||||
NULL,
|
||||
};
|
||||
|
||||
static const struct attribute_group iio_trig_prtc_attr_group = {
|
||||
.attrs = iio_trig_prtc_attrs,
|
||||
};
|
||||
|
||||
static const struct attribute_group *iio_trig_prtc_attr_groups[] = {
|
||||
&iio_trig_prtc_attr_group,
|
||||
NULL
|
||||
};
|
||||
|
||||
static void iio_prtc_trigger_poll(void *private_data)
|
||||
{
|
||||
/* Timestamp is not provided currently */
|
||||
@ -103,7 +107,7 @@ static int iio_trig_periodic_rtc_probe(struct platform_device *dev)
|
||||
for (i = 0;; i++) {
|
||||
if (pdata[i] == NULL)
|
||||
break;
|
||||
trig = iio_allocate_trigger();
|
||||
trig = iio_allocate_trigger("periodic%s", pdata[i]);
|
||||
if (!trig) {
|
||||
ret = -ENOMEM;
|
||||
goto error_free_completed_registrations;
|
||||
@ -118,25 +122,19 @@ static int iio_trig_periodic_rtc_probe(struct platform_device *dev)
|
||||
trig->private_data = trig_info;
|
||||
trig->owner = THIS_MODULE;
|
||||
trig->set_trigger_state = &iio_trig_periodic_rtc_set_state;
|
||||
trig->name = kasprintf(GFP_KERNEL, "periodic%s", pdata[i]);
|
||||
if (trig->name == NULL) {
|
||||
ret = -ENOMEM;
|
||||
goto error_free_trig_info;
|
||||
}
|
||||
|
||||
/* RTC access */
|
||||
trig_info->rtc
|
||||
= rtc_class_open(pdata[i]);
|
||||
if (trig_info->rtc == NULL) {
|
||||
ret = -EINVAL;
|
||||
goto error_free_name;
|
||||
goto error_free_trig_info;
|
||||
}
|
||||
trig_info->task.func = iio_prtc_trigger_poll;
|
||||
trig_info->task.private_data = trig;
|
||||
ret = rtc_irq_register(trig_info->rtc, &trig_info->task);
|
||||
if (ret)
|
||||
goto error_close_rtc;
|
||||
trig->control_attrs = &iio_trig_prtc_attr_group;
|
||||
trig->dev.groups = iio_trig_prtc_attr_groups;
|
||||
ret = iio_trigger_register(trig);
|
||||
if (ret)
|
||||
goto error_unregister_rtc_irq;
|
||||
@ -146,8 +144,6 @@ error_unregister_rtc_irq:
|
||||
rtc_irq_unregister(trig_info->rtc, &trig_info->task);
|
||||
error_close_rtc:
|
||||
rtc_class_close(trig_info->rtc);
|
||||
error_free_name:
|
||||
kfree(trig->name);
|
||||
error_free_trig_info:
|
||||
kfree(trig_info);
|
||||
error_put_trigger_and_remove_from_list:
|
||||
@ -161,7 +157,6 @@ error_free_completed_registrations:
|
||||
trig_info = trig->private_data;
|
||||
rtc_irq_unregister(trig_info->rtc, &trig_info->task);
|
||||
rtc_class_close(trig_info->rtc);
|
||||
kfree(trig->name);
|
||||
kfree(trig_info);
|
||||
iio_trigger_unregister(trig);
|
||||
}
|
||||
@ -180,7 +175,6 @@ static int iio_trig_periodic_rtc_remove(struct platform_device *dev)
|
||||
trig_info = trig->private_data;
|
||||
rtc_irq_unregister(trig_info->rtc, &trig_info->task);
|
||||
rtc_class_close(trig_info->rtc);
|
||||
kfree(trig->name);
|
||||
kfree(trig_info);
|
||||
iio_trigger_unregister(trig);
|
||||
}
|
||||
|
@ -92,11 +92,9 @@ static ssize_t iio_sysfs_trigger_poll(struct device *dev,
|
||||
}
|
||||
|
||||
static DEVICE_ATTR(trigger_now, S_IWUSR, NULL, iio_sysfs_trigger_poll);
|
||||
static IIO_TRIGGER_NAME_ATTR;
|
||||
|
||||
static struct attribute *iio_sysfs_trigger_attrs[] = {
|
||||
&dev_attr_trigger_now.attr,
|
||||
&dev_attr_name.attr,
|
||||
NULL,
|
||||
};
|
||||
|
||||
@ -104,11 +102,15 @@ static const struct attribute_group iio_sysfs_trigger_attr_group = {
|
||||
.attrs = iio_sysfs_trigger_attrs,
|
||||
};
|
||||
|
||||
static const struct attribute_group *iio_sysfs_trigger_attr_groups[] = {
|
||||
&iio_sysfs_trigger_attr_group,
|
||||
NULL
|
||||
};
|
||||
|
||||
static int iio_sysfs_trigger_probe(int id)
|
||||
{
|
||||
struct iio_sysfs_trig *t;
|
||||
int ret;
|
||||
char *name;
|
||||
bool foundit = false;
|
||||
mutex_lock(&iio_syfs_trig_list_mut);
|
||||
list_for_each_entry(t, &iio_sysfs_trig_list, l)
|
||||
@ -120,25 +122,19 @@ static int iio_sysfs_trigger_probe(int id)
|
||||
ret = -EINVAL;
|
||||
goto out1;
|
||||
}
|
||||
|
||||
name = kasprintf(GFP_KERNEL, "sysfstrig%d", id);
|
||||
if (name == NULL) {
|
||||
ret = -ENOMEM;
|
||||
goto out1;
|
||||
}
|
||||
t = kmalloc(sizeof(*t), GFP_KERNEL);
|
||||
if (t == NULL) {
|
||||
ret = -ENOMEM;
|
||||
goto free_name;
|
||||
goto out1;
|
||||
}
|
||||
t->id = id;
|
||||
t->trig = iio_allocate_trigger_named(name);
|
||||
t->trig = iio_allocate_trigger("sysfstrig%d", id);
|
||||
if (!t->trig) {
|
||||
ret = -ENOMEM;
|
||||
goto free_t;
|
||||
}
|
||||
|
||||
t->trig->control_attrs = &iio_sysfs_trigger_attr_group;
|
||||
t->trig->dev.groups = iio_sysfs_trigger_attr_groups;
|
||||
t->trig->owner = THIS_MODULE;
|
||||
t->trig->dev.parent = &iio_sysfs_trig_dev;
|
||||
|
||||
@ -154,8 +150,6 @@ out2:
|
||||
iio_put_trigger(t->trig);
|
||||
free_t:
|
||||
kfree(t);
|
||||
free_name:
|
||||
kfree(name);
|
||||
out1:
|
||||
mutex_unlock(&iio_syfs_trig_list_mut);
|
||||
return ret;
|
||||
@ -177,7 +171,6 @@ static int iio_sysfs_trigger_remove(int id)
|
||||
}
|
||||
|
||||
iio_trigger_unregister(t->trig);
|
||||
kfree(t->trig->name);
|
||||
iio_free_trigger(t->trig);
|
||||
|
||||
list_del(&t->l);
|
||||
|
Loading…
Reference in New Issue
Block a user