linux-kernel - [PATCH v4 03/11] iio: amplifiers: ad8366: remove unused include headers

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Message-Id: <20260210-iio-ad8366-update-v4-3-15505f7b15b4@analog.com>
Date: Tue, 10 Feb 2026 19:42:03 +0000
From: Rodrigo Alencar via B4 Relay <devnull+rodrigo.alencar.analog.com@...nel.org>
To: linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org, 
 devicetree@...r.kernel.org
Cc: Michael Hennerich <Michael.Hennerich@...log.com>, 
 Lars-Peter Clausen <lars@...afoo.de>, Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, Andy Shevchenko <andy@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Rodrigo Alencar <rodrigo.alencar@...log.com>
Subject: [PATCH v4 03/11] iio: amplifiers: ad8366: remove unused include
 headers

From: Rodrigo Alencar <rodrigo.alencar@...log.com>

Apply IWYU principle, removing the following headers:
- linux/device.h: no usage of devm_add_action_or_reset, device_attr...
- linux/kernel.h: no usage of container_of, kasprintf, ...
- linux/slab.h: memory management handled by iio
- linux/sysfs.h: sysfs interaction is managed by iio
- linux/iio/sysfs.h: not using iio device attributes in this driver

Being a small patch, the remaining includes are alphabetically sorted.
In gcc, compiling with -H allows for dependency visualization,
which indicates that except for linux/iio/sysfs.h, all removed
headers are indirectly included by the remaining headers.

Signed-off-by: Rodrigo Alencar <rodrigo.alencar@...log.com>
---
 drivers/iio/amplifiers/ad8366.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c
index d06ac786501c..6382106ee6c7 100644
--- a/drivers/iio/amplifiers/ad8366.c
+++ b/drivers/iio/amplifiers/ad8366.c
@@ -11,19 +11,14 @@
  * Copyright 2012-2019 Analog Devices Inc.
  */
 
-#include <linux/device.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/sysfs.h>
-#include <linux/spi/spi.h>
-#include <linux/regulator/consumer.h>
-#include <linux/gpio/consumer.h>
-#include <linux/err.h>
-#include <linux/module.h>
 #include <linux/bitrev.h>
+#include <linux/err.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/regulator/consumer.h>
+#include <linux/spi/spi.h>
 
 #include <linux/iio/iio.h>
-#include <linux/iio/sysfs.h>
 
 enum ad8366_type {
 	ID_AD8366,

-- 
2.43.0