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Date: Mon, 3 Aug 2015 10:39:40 +0800
From: Pengyu Ma <pengyu.ma@...driver.com>
To: <jic23@...nel.org>, <linux-kernel@...r.kernel.org>,
<linux-iio@...r.kernel.org>, <pengyu.ma@...driver.com>
Subject: [PATCH V2] iio: declare struct to fix warning
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@...driver.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 */
+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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