When compile iio related driver the following warning shown:
include/linux/iio/trigger.h:35:34: warning: 'struct iio_trigger'
declared inside parameter list
int (*set_trigger_state)(struct iio_trigger *trig, bool state);
include/linux/iio/trigger.h:38:18: warning: 'struct iio_dev'
declared inside parameter list
struct iio_dev *indio_dev);
'struct iio_dev' and 'struct iio_trigger' was used before declaration,
forward declaration for these structs to fix warning.
Signed-off-by: Pengyu Ma <pengyu.ma@xxxxxxxxxxxxx>
Acked-by: Daniel Baluta <daniel.baluta@xxxxxxxxx>
---
include/linux/iio/trigger.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h
index fa76c79..1c9e028 100644
--- a/include/linux/iio/trigger.h
+++ b/include/linux/iio/trigger.h
@@ -18,6 +18,9 @@ struct iio_subirq {
bool enabled;
};
+struct iio_dev;
+struct iio_trigger;
+
/**
* struct iio_trigger_ops - operations structure for an iio_trigger.
* @owner: used to monitor usage count of the trigger.
--
2.4.3
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