On 08/04/2015 04:03 PM, Daniel Baluta wrote:
On Mon, Aug 3, 2015 at 5:39 AM, Pengyu Ma <pengyu...@windriver.com> wrote:
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...@windriver.com>
---
include/linux/iio/trigger.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h
index fa76c79..974cf73 100644
--- a/include/linux/iio/trigger.h
+++ b/include/linux/iio/trigger.h
@@ -18,6 +18,10 @@ struct iio_subirq {
bool enabled;
};
+/* forward declaration */
I would remove this comment. It doesn't says much.
OK, Do I need a v3 review or you apply it with your modification directly?
Pengyu
+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.
thanks,
Daniel.
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