[PATCH 2/7] iio: pressure: zpa2326: Apply iwyu principles to includes

[Jonathan Cameron <jic23@kernel.org>]

From: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Motivated by the new warning when W=1 if linux/exports.h is not included
but the macros within it are used.  Given the includes need improving go
the whole way and apply include what you use principles to this driver.

Reasoning:
- First sort includes into alphabetical order, keeping the separate iio
  specific block and asm blocks as appropriate.
Drop:
- linux/kernel.h
Add:
- asm/byteorder.h for le16_to_cpup()
- linux/array_size.h for ARRAY_SIZE()
- linux/bitops.h for test_bit() (also BIT() etc in c files0
- linux/bits.h for BIT() in the header.
- linux/completion.h cof complete()
- linux/device.h for struct device
- linux/err.h for IS_ERR() and error codes.
- linux/export.h for EXPORT_SYMBOL*
- linux/jiffies.h for jiffies and HZ (in param.h)
- linux/pm.h for SET_RUNTIME_PM_OPS etc
  Note that the way this driver handles CONFIG_PM is messy but not topic
  for this series.
- linux/stddef.h for true / false etc
- linux/sysfs.h for struct attribute_group

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/iio/pressure/zpa2326.c     | 20 ++++++++++++++++----
 drivers/iio/pressure/zpa2326.h     |  3 +++
 drivers/iio/pressure/zpa2326_i2c.c |  7 +++++--
 drivers/iio/pressure/zpa2326_spi.c |  6 +++++-
 4 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c
index 6eef37c0952d..34743ee0be07 100644
--- a/drivers/iio/pressure/zpa2326.c
+++ b/drivers/iio/pressure/zpa2326.c
@@ -51,20 +51,32 @@
  *   hardware samples averaging.
  */
 
-#include <linux/module.h>
-#include <linux/kernel.h>
+#include <linux/array_size.h>
+#include <linux/bitops.h>
+#include <linux/completion.h>
 #include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/export.h>
 #include <linux/interrupt.h>
-#include <linux/regulator/consumer.h>
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/pm.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/stddef.h>
+#include <linux/sysfs.h>
+#include <linux/unaligned.h>
+
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/buffer.h>
 #include <linux/iio/trigger.h>
 #include <linux/iio/trigger_consumer.h>
 #include <linux/iio/triggered_buffer.h>
-#include <linux/unaligned.h>
+
+#include <asm/byteorder.h>
 #include "zpa2326.h"
 
 /* 200 ms should be enough for the longest conversion time in one-shot mode. */
diff --git a/drivers/iio/pressure/zpa2326.h b/drivers/iio/pressure/zpa2326.h
index 45bd7900975b..a1ab574241eb 100644
--- a/drivers/iio/pressure/zpa2326.h
+++ b/drivers/iio/pressure/zpa2326.h
@@ -10,6 +10,9 @@
 #ifndef _ZPA2326_H
 #define _ZPA2326_H
 
+#include <linux/bits.h>
+#include <linux/types.h>
+
 /* Register map. */
 #define ZPA2326_REF_P_XL_REG              (0x8)
 #define ZPA2326_REF_P_L_REG               (0x9)
diff --git a/drivers/iio/pressure/zpa2326_i2c.c b/drivers/iio/pressure/zpa2326_i2c.c
index a6034bf05d97..ca05b84f420a 100644
--- a/drivers/iio/pressure/zpa2326_i2c.c
+++ b/drivers/iio/pressure/zpa2326_i2c.c
@@ -7,10 +7,13 @@
  * Author: Gregor Boirie <gregor.boirie@parrot.com>
  */
 
-#include <linux/module.h>
-#include <linux/regmap.h>
+#include <linux/bits.h>
+#include <linux/device.h>
+#include <linux/err.h>
 #include <linux/i2c.h>
+#include <linux/module.h>
 #include <linux/mod_devicetable.h>
+#include <linux/regmap.h>
 #include "zpa2326.h"
 
 /*
diff --git a/drivers/iio/pressure/zpa2326_spi.c b/drivers/iio/pressure/zpa2326_spi.c
index af756e2b0f31..14f8b2b809a0 100644
--- a/drivers/iio/pressure/zpa2326_spi.c
+++ b/drivers/iio/pressure/zpa2326_spi.c
@@ -7,10 +7,14 @@
  * Author: Gregor Boirie <gregor.boirie@parrot.com>
  */
 
+#include <linux/bits.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/minmax.h>
 #include <linux/module.h>
+#include <linux/mod_devicetable.h>
 #include <linux/regmap.h>
 #include <linux/spi/spi.h>
-#include <linux/mod_devicetable.h>
 #include "zpa2326.h"
 
 /*
-- 
2.50.0