[PATCH] iio: fix header includes across multiple drivers

[Caio Morais]

From: Caio Morais <caiomorais at usp.br>

Remove unnecessary includes and add missing ones as reported by the
include-what-you-use (IWYU) tool.

Files changed:
- drivers/iio/adc/xilinx-xadc-events.c
- drivers/iio/buffer/industrialio-triggered-buffer.c
- drivers/iio/common/st_sensors/st_sensors_i2c.c
- drivers/iio/common/st_sensors/st_sensors_spi.c

Signed-off-by: Caio Morais <caiomorais at usp.br>
---
 drivers/iio/adc/xilinx-xadc-events.c               | 4 ++--
 drivers/iio/buffer/industrialio-triggered-buffer.c | 8 ++++----
 drivers/iio/common/st_sensors/st_sensors_i2c.c     | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/iio/adc/xilinx-xadc-events.c b/drivers/iio/adc/xilinx-xadc-events.c
index d16e61953..20b796ec7 100644
--- a/drivers/iio/adc/xilinx-xadc-events.c
+++ b/drivers/iio/adc/xilinx-xadc-events.c
@@ -7,11 +7,11 @@
  */
 
 #include <linux/bitmap.h>
-#include <linux/types.h>
 #include <linux/errno.h>
-#include <linux/mutex.h>
 #include <linux/iio/events.h>
 #include <linux/iio/iio.h>
+#include <linux/mutex.h>
+#include <linux/types.h>
 
 #include "xilinx-xadc.h"
 
diff --git a/drivers/iio/buffer/industrialio-triggered-buffer.c b/drivers/iio/buffer/industrialio-triggered-buffer.c
index 601a26398..5796c9da7 100644
--- a/drivers/iio/buffer/industrialio-triggered-buffer.c
+++ b/drivers/iio/buffer/industrialio-triggered-buffer.c
@@ -5,15 +5,15 @@
  */
 
 #include <linux/errno.h>
-#include <linux/linkage.h>
-#include <linux/module.h>
-#include <linux/stddef.h>
-#include <linux/iio/iio.h>
 #include <linux/iio/buffer.h>
 #include <linux/iio/buffer_impl.h>
+#include <linux/iio/iio.h>
 #include <linux/iio/kfifo_buf.h>
 #include <linux/iio/triggered_buffer.h>
 #include <linux/iio/trigger_consumer.h>
+#include <linux/linkage.h>
+#include <linux/module.h>
+#include <linux/stddef.h>
 
 /**
  * iio_triggered_buffer_setup_ext() - Setup triggered buffer and pollfunc
diff --git a/drivers/iio/common/st_sensors/st_sensors_i2c.c b/drivers/iio/common/st_sensors/st_sensors_i2c.c
index 6ab143498..974e349ae 100644
--- a/drivers/iio/common/st_sensors/st_sensors_i2c.c
+++ b/drivers/iio/common/st_sensors/st_sensors_i2c.c
@@ -10,10 +10,10 @@
 #include <linux/device.h>
 #include <linux/err.h>
 #include <linux/i2c.h>
+#include <linux/iio/iio.h>
 #include <linux/linkage.h>
 #include <linux/module.h>
 #include <linux/regmap.h>
-#include <linux/iio/iio.h>
 
 #include <linux/iio/common/st_sensors_i2c.h>
 
-- 
2.54.0