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| author | Jonathan Cameron <jic23@cam.ac.uk> | 2011-08-24 17:28:40 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-08-24 14:23:43 -0700 |
| commit | cb6c89a094df3823a1797b880e5dfda2fbfcd584 (patch) | |
| tree | a5216e2390b36958efd28923742c2f9bca4d691b /drivers/staging/iio/industrialio-trigger.c | |
| parent | 3f72395ee595a2a2fe1ed01c006c4f0cce313512 (diff) | |
| download | op-kernel-dev-cb6c89a094df3823a1797b880e5dfda2fbfcd584.zip op-kernel-dev-cb6c89a094df3823a1797b880e5dfda2fbfcd584.tar.gz | |
staging:iio:trigger core. Trivial code cleanups.
Stop exporting functions only intended for core usage.
Return void from function which can never return anything other than 0.
Trivial stype cleanups.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/industrialio-trigger.c')
| -rw-r--r-- | drivers/staging/iio/industrialio-trigger.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c index 1013442..72ea106 100644 --- a/drivers/staging/iio/industrialio-trigger.c +++ b/drivers/staging/iio/industrialio-trigger.c @@ -174,13 +174,12 @@ static struct iio_trigger *iio_trigger_find_by_name(const char *name, void iio_trigger_poll(struct iio_trigger *trig, s64 time) { int i; - if (!trig->use_count) { + if (!trig->use_count) for (i = 0; i < CONFIG_IIO_CONSUMERS_PER_TRIGGER; i++) if (trig->subirqs[i].enabled) { trig->use_count++; generic_handle_irq(trig->subirq_base + i); } - } } EXPORT_SYMBOL(iio_trigger_poll); @@ -322,12 +321,10 @@ static ssize_t iio_trigger_read_current(struct device *dev, char *buf) { struct iio_dev *dev_info = dev_get_drvdata(dev); - int len = 0; + if (dev_info->trig) - len = sprintf(buf, - "%s\n", - dev_info->trig->name); - return len; + return sprintf(buf, "%s\n", dev_info->trig->name); + return 0; } /** @@ -496,23 +493,18 @@ EXPORT_SYMBOL(iio_free_trigger); int iio_device_register_trigger_consumer(struct iio_dev *dev_info) { - int ret; - ret = sysfs_create_group(&dev_info->dev.kobj, - &iio_trigger_consumer_attr_group); - return ret; + return sysfs_create_group(&dev_info->dev.kobj, + &iio_trigger_consumer_attr_group); } -EXPORT_SYMBOL(iio_device_register_trigger_consumer); -int iio_device_unregister_trigger_consumer(struct iio_dev *dev_info) +void iio_device_unregister_trigger_consumer(struct iio_dev *dev_info) { /* Clean up and associated but not attached triggers references */ if (dev_info->trig) iio_put_trigger(dev_info->trig); sysfs_remove_group(&dev_info->dev.kobj, &iio_trigger_consumer_attr_group); - return 0; } -EXPORT_SYMBOL(iio_device_unregister_trigger_consumer); int iio_triggered_ring_postenable(struct iio_dev *indio_dev) { |
