[PATCH 14/14] iio: temperature: tsys02d: make headers conform to IWYU

From: Joshua Crofts

Date: Sat Aug 22 2026 - 04:05:55 EST


Remove the catch-all kernel.h header, add missing headers and remove
unused headers.

Signed-off-by: Joshua Crofts <joshua.crofts1@xxxxxxxxx>
---
Header changes explained:
Added:
- <linux/array_size.h>: for ARRAY_SIZE()
- <linux/bits.h>: for GENMASK() and BIT() macros
- <linux/dev_printk.h>: for dev_err(), dev_info(), etc.
- <linux/i2c.h>: for i2c_client and i2c_device_id
- <linux/mutex.h>: for struct mutex and mutex_lock/unlock
- <linux/types.h>: for fixed-width integer types (u8, u16, etc.)
Removed:
- <linux/device.h>: not directly used in this driver
- <linux/init.h>: not directly used in this driver
- <linux/kernel.h>: catch-all header no longer needed
---
drivers/iio/temperature/tsys02d.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/temperature/tsys02d.c b/drivers/iio/temperature/tsys02d.c
index 377e27b45fdd..9fa803bec92c 100644
--- a/drivers/iio/temperature/tsys02d.c
+++ b/drivers/iio/temperature/tsys02d.c
@@ -10,11 +10,14 @@
* http://www.meas-spec.com/downloads/Digital_Sensor_TSYS02D.pdf
*/

-#include <linux/device.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
+#include <linux/array_size.h>
+#include <linux/bits.h>
+#include <linux/dev_printk.h>
+#include <linux/i2c.h>
#include <linux/module.h>
+#include <linux/mutex.h>
#include <linux/stat.h>
+#include <linux/types.h>

#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>

--
2.55.0