[PATCH AUTOSEL for 4.9 064/293] iio: buffer-dma: Add missing header buffer_impl.h

[Sasha Levin]

From: Phil Reid <preid@xxxxxxxxxxxxxxxxx>

[ Upstream commit 838519b89fa7e162f7190c70d888a65ee7889e12 ]

Add buffer_impl.h as buffer.h was split into interface for using and
for internals. Without this industrialio-buffer-dma.c fails
to compile.

Fixes:
commit 33dd94cb972175249258329c4aaffddcc82c2005 ("iio:buffer.h - split
into buffer.h and buffer_impl.h")

Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
---
 drivers/iio/buffer/industrialio-buffer-dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/buffer/industrialio-buffer-dma.c b/drivers/iio/buffer/industrialio-buffer-dma.c
index dd99d273bae9..ff03324dee13 100644
--- a/drivers/iio/buffer/industrialio-buffer-dma.c
+++ b/drivers/iio/buffer/industrialio-buffer-dma.c
@@ -14,6 +14,7 @@
 #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>
 #include <linux/sizes.h>
-- 
2.15.1