[PATCH v2] iio: frequency: ad9834: clean up includes

[Joshua Crofts]

Cleanup include headers by removing proxy kernel.h
header and unnecessary list.h, interrupt.h, workqueue.h
and slab.h headers. Reordered remaining drivers
alphabetically.

Verified using IWYU.

Signed-off-by: Joshua Crofts <joshua.crofts1@xxxxxxxxx>
---
v2:
 - dropped patches from from previous iteration of
   patch series
 - removed additional unused headers
 - returned bits.h as driver only uses BIT() macro

 drivers/staging/iio/frequency/ad9834.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c
index d339d5e8e0..465b2fa7a4 100644
--- a/drivers/staging/iio/frequency/ad9834.c
+++ b/drivers/staging/iio/frequency/ad9834.c
@@ -5,18 +5,15 @@
  * Copyright 2010-2011 Analog Devices Inc.
  */
 
+#include <linux/bits.h>
 #include <linux/clk.h>
-#include <linux/interrupt.h>
-#include <linux/workqueue.h>
 #include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/sysfs.h>
-#include <linux/list.h>
-#include <linux/spi/spi.h>
-#include <linux/regulator/consumer.h>
 #include <linux/err.h>
 #include <linux/module.h>
+#include <linux/regulator/consumer.h>
+#include <linux/spi/spi.h>
+#include <linux/sysfs.h>
+
 #include <asm/div64.h>
 
 #include <linux/iio/iio.h>
-- 
2.47.3