linux-kernel - Re: [PATCH 2/2] iio: st_sensors: Remove some redundant includes in st

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Message-ID: <20230617194911.7963bd6d@jic23-huawei>
Date:   Sat, 17 Jun 2023 19:49:11 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Lars-Peter Clausen <lars@...afoo.de>, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-iio@...r.kernel.org
Subject: Re: [PATCH 2/2] iio: st_sensors: Remove some redundant includes in
 st_sensors.h

On Mon, 12 Jun 2023 22:13:37 +0200
Christophe JAILLET <christophe.jaillet@...adoo.fr> wrote:

> There is no need to include i2c.h and spi/spi.h in st_sensors.h.
> Should it be needed, st_sensors_(i2c|spi).h should be used.
Agreed these should be dropped from here.

But I don't agree with statement that i2c.h and spi/spi.h should
be gotten implicitly from st_sensors_i2c.h / st_sensors_spi.h
If they are needed the should be included directly in the files
where they are needed.

Jonathan

> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> Based on one of my script, this reduces the number of included files from
> 573 files to 515 files when compiling drivers/iio/accel/st_accel_buffer.c
> ---
>  include/linux/iio/common/st_sensors.h | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h
> index 607c3a89a647..a1d3d57d6d6e 100644
> --- a/include/linux/iio/common/st_sensors.h
> +++ b/include/linux/iio/common/st_sensors.h
> @@ -10,8 +10,6 @@
>  #ifndef ST_SENSORS_H
>  #define ST_SENSORS_H
>  
> -#include <linux/i2c.h>
> -#include <linux/spi/spi.h>
>  #include <linux/irqreturn.h>
>  #include <linux/iio/iio.h>
>  #include <linux/iio/trigger.h>