On 08/17/2012 04:57 PM, Lars-Peter Clausen wrote:
> 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>
merge to togreg
>
> ---
> 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
>
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