linux-kernel - Re: [RFC PATCH] can: can327: remove useless header inclusions

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Date:   Mon, 18 Jul 2022 09:18:37 +0200
From:   Dario Binacchi <dario.binacchi@...rulasolutions.com>
To:     Max Staudt <max@...as.org>
Cc:     linux-kernel@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Paolo Abeni <pabeni@...hat.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [RFC PATCH] can: can327: remove useless header inclusions

Hi Max,

On Sun, Jul 17, 2022 at 11:50 PM Max Staudt <max@...as.org> wrote:
>
> On Sat, 16 Jul 2022 19:02:01 +0200
> Dario Binacchi <dario.binacchi@...rulasolutions.com> wrote:
>
> > -#include <linux/init.h>
> >  #include <linux/module.h>
> > -
> > -#include <linux/bitops.h>
> > -#include <linux/ctype.h>
> > -#include <linux/errno.h>
> > -#include <linux/kernel.h>
> > -#include <linux/list.h>
> > -#include <linux/lockdep.h>
> > -#include <linux/netdevice.h>
> > -#include <linux/skbuff.h>
> > -#include <linux/spinlock.h>
> > -#include <linux/string.h>
> >  #include <linux/tty.h>
> > -#include <linux/tty_ldisc.h>
> > -#include <linux/workqueue.h>
> > -
> > -#include <uapi/linux/tty.h>
> > -
> > -#include <linux/can.h>
> >  #include <linux/can/dev.h>
> > -#include <linux/can/error.h>
> >  #include <linux/can/rx-offload.h>
>
> AFAIK, the coding style is to not rely on headers including other
> headers. Instead, the appropriate header for every symbol used should
> be included.

Thanks for the explanation.

>
> This is also valid for the similar patch you submitted for slcan.

Probably something can be removed (if_arp.h, if_ether.h, ...).
I will take can327.c as a reference.

Thanks and regards,
Dario

>
>
> Unless something has changed, this is a NAK from me, sorry.
>
>
> Max



-- 

Dario Binacchi

Embedded Linux Developer

dario.binacchi@...rulasolutions.com

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