Re: [PATCH] iio: dma-buffer: Cleanup buffer.h/buffer_impl.h includes

["Ardelean, Alexandru" <alexandru.Ardelean@xxxxxxxxxx>]

On Tue, 2020-03-24 at 15:16 +0100, Lars-Peter Clausen wrote:
> [External]
> 
> The IIO DMA buffer is a DMA buffer implementation. As such it should
> include buffer_impl.h rather than buffer.h.
> 
> The include to buffer.h in buffer-dma.h should be buffer_impl.h so it has
> access to the struct iio_buffer definition. The code currently only works
> because all places that use buffer-dma.h include buffer_impl.h before it.
> 
> The include to buffer.h in industrialio-buffer-dma.c and
> industrialio-buffer-dmaengine.c can be removed since those files don't
> reference any of buffer consumer functions.

Reviewed-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>

> 
> Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
> ---
>  drivers/iio/buffer/industrialio-buffer-dma.c       | 1 -
>  drivers/iio/buffer/industrialio-buffer-dmaengine.c | 1 -
>  include/linux/iio/buffer-dma.h                     | 2 +-
>  3 files changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/iio/buffer/industrialio-buffer-dma.c
> b/drivers/iio/buffer/industrialio-buffer-dma.c
> index a74bd9c0587c..d348af8b9705 100644
> --- a/drivers/iio/buffer/industrialio-buffer-dma.c
> +++ b/drivers/iio/buffer/industrialio-buffer-dma.c
> @@ -12,7 +12,6 @@
>  #include <linux/mutex.h>
>  #include <linux/sched.h>
>  #include <linux/poll.h>
> -#include <linux/iio/buffer.h>
>  #include <linux/iio/buffer_impl.h>
>  #include <linux/iio/buffer-dma.h>
>  #include <linux/dma-mapping.h>
> diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
> b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
> index b129693af0fd..8b60dff527c8 100644
> --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
> +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
> @@ -14,7 +14,6 @@
>  
>  #include <linux/iio/iio.h>
>  #include <linux/iio/sysfs.h>
> -#include <linux/iio/buffer.h>
>  #include <linux/iio/buffer_impl.h>
>  #include <linux/iio/buffer-dma.h>
>  #include <linux/iio/buffer-dmaengine.h>
> diff --git a/include/linux/iio/buffer-dma.h b/include/linux/iio/buffer-dma.h
> index 016d8a068353..ff15c61bf319 100644
> --- a/include/linux/iio/buffer-dma.h
> +++ b/include/linux/iio/buffer-dma.h
> @@ -11,7 +11,7 @@
>  #include <linux/kref.h>
>  #include <linux/spinlock.h>
>  #include <linux/mutex.h>
> -#include <linux/iio/buffer.h>
> +#include <linux/iio/buffer_impl.h>
>  
>  struct iio_dma_buffer_queue;
>  struct iio_dma_buffer_ops;