diff options
Diffstat (limited to 'include/linux/iio/trigger.h')
| -rw-r--r-- | include/linux/iio/trigger.h | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h index 4c69b144677b..f6360d9a492d 100644 --- a/include/linux/iio/trigger.h +++ b/include/linux/iio/trigger.h @@ -93,6 +93,11 @@ static inline void iio_trigger_put(struct iio_trigger *trig) static inline struct iio_trigger *iio_trigger_get(struct iio_trigger *trig) { get_device(&trig->dev); + + WARN_ONCE(list_empty(&trig->list), + "Getting non-registered iio trigger %s is prohibited\n", + trig->name); + __module_get(trig->owner); return trig; @@ -126,16 +131,10 @@ 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 **/ -#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 iio_trigger_register(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); +int devm_iio_trigger_register(struct device *dev, + struct iio_trigger *trig_info); /** * iio_trigger_unregister() - unregister a trigger from the core @@ -163,8 +162,13 @@ void iio_trigger_poll_chained(struct iio_trigger *trig); irqreturn_t iio_trigger_generic_data_rdy_poll(int irq, void *private); -__printf(2, 3) -struct iio_trigger *iio_trigger_alloc(struct device *parent, const char *fmt, ...); +#define iio_trigger_alloc(parent, fmt, ...) \ + __iio_trigger_alloc((parent), THIS_MODULE, (fmt), ##__VA_ARGS__) + +__printf(3, 4) +struct iio_trigger *__iio_trigger_alloc(struct device *parent, + struct module *this_mod, + const char *fmt, ...); void iio_trigger_free(struct iio_trigger *trig); /** |