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iio: triggers: Use macros to avoid boilerplate assignment of owner.

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This trig_ops.owner assignment occurs in all trigger drivers and
can be simply automated using a macro as has been done in many
other places in the kernel.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
This commit is contained in:
Jonathan Cameron
2017-07-23 17:25:44 +01:00
committed by Jonathan Cameron
parent 63b19547cc
commit 035c70aeb6
2 changed files with 24 additions and 11 deletions
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17
include/linux/iio/trigger.h
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@@ -62,6 +62,7 @@ struct iio_trigger_ops {
**/
struct iio_trigger {
const struct iio_trigger_ops *ops;
struct module *owner;
int id;
const char *name;
struct device dev;
@@ -87,14 +88,14 @@ static inline struct iio_trigger *to_iio_trigger(struct device *d)
static inline void iio_trigger_put(struct iio_trigger *trig)
{
module_put(trig->ops->owner);
module_put(trig->owner);
put_device(&trig->dev);
}
static inline struct iio_trigger *iio_trigger_get(struct iio_trigger *trig)
{
get_device(&trig->dev);
__module_get(trig->ops->owner);
__module_get(trig->owner);
return trig;
}
@@ -127,10 +128,16 @@ static inline void *iio_trigger_get_drvdata(struct iio_trigger *trig)
* iio_trigger_register() - register a trigger with the IIO core
* @trig_info: trigger to be registered
**/
int iio_trigger_register(struct iio_trigger *trig_info);
#define iio_trigger_register(trig_info) \
__iio_trigger_register((trig_info), THIS_MODULE)
int __iio_trigger_register(struct iio_trigger *trig_info,
struct module *this_mod);
int devm_iio_trigger_register(struct device *dev,
struct iio_trigger *trig_info);
#define devm_iio_trigger_register(dev, trig_info) \
__devm_iio_trigger_register((dev), (trig_info), THIS_MODULE)
int __devm_iio_trigger_register(struct device *dev,
struct iio_trigger *trig_info,
struct module *this_mod);
/**
* iio_trigger_unregister() - unregister a trigger from the core