Make attach and detach functions for pollfuncs available as symbols. These functions are required in the trigger consumer drivers in order to register their own pollfunctions to iio devices.
Signed-off-by: Eugen Hristev <[email protected]> --- drivers/iio/industrialio-trigger.c | 10 ++++++---- include/linux/iio/trigger_consumer.h | 9 +++++++++ 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index cbaa079..8565c92 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -265,8 +265,8 @@ static void iio_trigger_put_irq(struct iio_trigger *trig, int irq) * the relevant function is in there may be the best option. */ /* Worth protecting against double additions? */ -static int iio_trigger_attach_poll_func(struct iio_trigger *trig, - struct iio_poll_func *pf) +int iio_trigger_attach_poll_func(struct iio_trigger *trig, + struct iio_poll_func *pf) { int ret = 0; bool notinuse @@ -312,9 +312,10 @@ static int iio_trigger_attach_poll_func(struct iio_trigger *trig, module_put(pf->indio_dev->driver_module); return ret; } +EXPORT_SYMBOL(iio_trigger_attach_poll_func); -static int iio_trigger_detach_poll_func(struct iio_trigger *trig, - struct iio_poll_func *pf) +int iio_trigger_detach_poll_func(struct iio_trigger *trig, + struct iio_poll_func *pf) { int ret = 0; bool no_other_users @@ -334,6 +335,7 @@ static int iio_trigger_detach_poll_func(struct iio_trigger *trig, return ret; } +EXPORT_SYMBOL(iio_trigger_detach_poll_func); irqreturn_t iio_pollfunc_store_time(int irq, void *p) { diff --git a/include/linux/iio/trigger_consumer.h b/include/linux/iio/trigger_consumer.h index c4f8c74..aeefcdb 100644 --- a/include/linux/iio/trigger_consumer.h +++ b/include/linux/iio/trigger_consumer.h @@ -60,4 +60,13 @@ void iio_trigger_notify_done(struct iio_trigger *trig); int iio_triggered_buffer_postenable(struct iio_dev *indio_dev); int iio_triggered_buffer_predisable(struct iio_dev *indio_dev); +/* + * Two functions for the uncommon case when we need to attach or detach + * a specific pollfunc to and from a trigger + */ +int iio_trigger_attach_poll_func(struct iio_trigger *trig, + struct iio_poll_func *pf); + +int iio_trigger_detach_poll_func(struct iio_trigger *trig, + struct iio_poll_func *pf); #endif -- 2.7.4
