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

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Message-ID: <aYuNr8alZt-mjd5x@smile.fi.intel.com>
Date: Tue, 10 Feb 2026 21:57:35 +0200
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: rodrigo.alencar@...log.com
Cc: linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	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>
Subject: Re: [PATCH v4 03/11] iio: amplifiers: ad8366: remove unused include
 headers

On Tue, Feb 10, 2026 at 07:42:03PM +0000, Rodrigo Alencar via B4 Relay wrote:

> 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

Yeah, but it also means to add (a lot of) missed headers...

array_size,h
dev_printk.h
mod_devicetable.h
mutex.h
stddef.h

(might be even more, this list was made just at the first glance).

> 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.

-- 
With Best Regards,
Andy Shevchenko