[PATCH 08/14] iio: triggers: add private data to pollfuncs
From: Eugen Hristev <hidden>
Date: 2017-12-22 15:10:19
Also in:
linux-arm-kernel, linux-devicetree, linux-iio, lkml
Subsystem:
iio subsystem and drivers, the rest · Maintainers:
Jonathan Cameron, Linus Torvalds
Add a private data pointer field to pollfunc struct. This is useful in the trigger handler to get specific data for the driver registering the pollfunc. Signed-off-by: Eugen Hristev <redacted> --- include/linux/iio/trigger_consumer.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/include/linux/iio/trigger_consumer.h b/include/linux/iio/trigger_consumer.h
index 36e2a02..13be595 100644
--- a/include/linux/iio/trigger_consumer.h
+++ b/include/linux/iio/trigger_consumer.h@@ -29,6 +29,7 @@ struct iio_trigger; * @timestamp: some devices need a timestamp grabbed as soon * as possible after the trigger - hence handler * passes it via here. + * @p: private data for the poll func owner. **/ struct iio_poll_func { struct iio_dev *indio_dev;
@@ -38,6 +39,7 @@ struct iio_poll_func { char *name; int irq; s64 timestamp; + void *p; };
@@ -49,6 +51,13 @@ struct iio_poll_func const char *fmt, ...); void iio_dealloc_pollfunc(struct iio_poll_func *pf); + +static inline void +iio_pollfunc_set_private_data(struct iio_poll_func *pf, void *p) +{ + pf->p = p; +} + irqreturn_t iio_pollfunc_store_time(int irq, void *p); void iio_trigger_notify_done(struct iio_trigger *trig);
--
2.7.4