Messages in this thread Patch in this message | | | From | Pengyu Ma <> | Subject | [PATCH] iio: declare struct to fix warning | Date | Thu, 30 Jul 2015 17:18:57 +0800 |
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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);
1st warning: 'struct iio_trigger' was used before declaration; 2nd warning: 'struct iio_dev' was used without including head file.
Signed-off-by: Pengyu Ma <pengyu.ma@windriver.com> --- 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 68f46cd..cbe4286 100644 --- a/include/linux/iio/trigger.h +++ b/include/linux/iio/trigger.h @@ -9,6 +9,7 @@ #include <linux/irq.h> #include <linux/module.h> #include <linux/atomic.h> +#include <linux/iio/iio.h> #ifndef _IIO_TRIGGER_H_ #define _IIO_TRIGGER_H_ @@ -18,6 +19,8 @@ struct iio_subirq { bool enabled; }; +struct iio_trigger; /* forward declaration */ + /** * struct iio_trigger_ops - operations structure for an iio_trigger. * @owner: used to monitor usage count of the trigger. -- 2.0.1
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