Add include guards to the IIO headers where they are missing. This avoids
compile errors due to redefined types if a file is included more than once.
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
strictly speaking kfifo_buf.h does not need one, since it only declares
functions, but I'd consider it to be good style to have them anyway.
---
include/linux/iio/kfifo_buf.h | 3 +++
include/linux/iio/machine.h | 5 +++++
include/linux/iio/trigger_consumer.h | 5 +++++
3 files changed, 13 insertions(+)
diff --git a/include/linux/iio/kfifo_buf.h b/include/linux/iio/kfifo_buf.h
index 014d5a1..25eeac7 100644
--- a/include/linux/iio/kfifo_buf.h
+++ b/include/linux/iio/kfifo_buf.h
@@ -1,3 +1,5 @@
+#ifndef __LINUX_IIO_KFIFO_BUF_H__
+#define __LINUX_IIO_KFIFO_BUF_H__
#include <linux/kfifo.h>
#include <linux/iio/iio.h>
@@ -6,3 +8,4 @@
struct iio_buffer *iio_kfifo_allocate(struct iio_dev *indio_dev);
void iio_kfifo_free(struct iio_buffer *r);
+#endif
diff --git a/include/linux/iio/machine.h b/include/linux/iio/machine.h
index 400a453..809a3f0 100644
--- a/include/linux/iio/machine.h
+++ b/include/linux/iio/machine.h
@@ -8,6 +8,9 @@
* the Free Software Foundation.
*/
+#ifndef __LINUX_IIO_MACHINE_H__
+#define __LINUX_IIO_MACHINE_H__
+
/**
* struct iio_map - description of link between consumer and device channels
* @adc_channel_label: Label used to identify the channel on the provider.
@@ -22,3 +25,5 @@ struct iio_map {
const char *consumer_dev_name;
const char *consumer_channel;
};
+
+#endif
diff --git a/include/linux/iio/trigger_consumer.h b/include/linux/iio/trigger_consumer.h
index 60d64b3..762a3d3 100644
--- a/include/linux/iio/trigger_consumer.h
+++ b/include/linux/iio/trigger_consumer.h
@@ -7,6 +7,9 @@
* the Free Software Foundation.
*/
+#ifndef __LINUX_IIO_TRIGGER_CONSUMER_H__
+#define __LINUX_IIO_TRIGGER_CONSUMER_H__
+
/**
* struct iio_poll_func - poll function pair
*
@@ -50,3 +53,5 @@ void iio_trigger_notify_done(struct iio_trigger *trig);
*/
int iio_triggered_buffer_postenable(struct iio_dev *indio_dev);
int iio_triggered_buffer_predisable(struct iio_dev *indio_dev);
+
+#endif
--
1.7.10.4
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