linux-kernel - Re: [PATCH] staging: wfx: remove unused included header files

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Message-ID: <1722736.fQpYkz0vEs@pc-42>
Date:   Tue, 02 Mar 2021 16:01:25 +0100
From:   Jérôme Pouiller <jerome.pouiller@...abs.com>
To:     gregkh@...uxfoundation.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org,
        Muhammad Usama Anjum <musamaanjum@...il.com>
Subject: Re: [PATCH] staging: wfx: remove unused included header files

Hello Muhammad,

Sorry, I am a bit late for the review of this patch. Thank you for your 
contribution.

On Thursday 11 February 2021 15:36:37 CET Muhammad Usama Anjum wrote:
> 
> Many header files have been included, but never used. Those header
> files have been removed.
> 
> Signed-off-by: Muhammad Usama Anjum <musamaanjum@...il.com>
> ---
>  drivers/staging/wfx/bh.c              | 1 -
>  drivers/staging/wfx/bh.h              | 4 ----
>  drivers/staging/wfx/bus.h             | 3 ---
>  drivers/staging/wfx/bus_sdio.c        | 6 ------
>  drivers/staging/wfx/bus_spi.c         | 7 -------
>  drivers/staging/wfx/data_rx.c         | 5 -----
>  drivers/staging/wfx/data_tx.c         | 5 -----
>  drivers/staging/wfx/data_tx.h         | 3 ---
>  drivers/staging/wfx/debug.c           | 6 ------
>  drivers/staging/wfx/fwio.c            | 2 --
>  drivers/staging/wfx/hif_api_cmd.h     | 4 ----
>  drivers/staging/wfx/hif_api_general.h | 9 ---------
>  drivers/staging/wfx/hif_tx.c          | 4 ----
>  drivers/staging/wfx/hif_tx_mib.c      | 5 -----
>  drivers/staging/wfx/hwio.c            | 3 ---
>  drivers/staging/wfx/hwio.h            | 2 --
>  drivers/staging/wfx/key.c             | 2 --
>  drivers/staging/wfx/key.h             | 2 --
>  drivers/staging/wfx/main.c            | 7 -------
>  drivers/staging/wfx/main.h            | 3 ---
>  drivers/staging/wfx/queue.c           | 4 ----
>  drivers/staging/wfx/queue.h           | 3 ---
>  drivers/staging/wfx/scan.h            | 2 --
>  drivers/staging/wfx/sta.c             | 6 ------
>  drivers/staging/wfx/sta.h             | 2 --
>  drivers/staging/wfx/traces.h          | 3 ---
>  drivers/staging/wfx/wfx.h             | 3 ---
>  27 files changed, 106 deletions(-)
> 
> diff --git a/drivers/staging/wfx/bh.c b/drivers/staging/wfx/bh.c
> index ed53d0b45592..cd6bcfdfbe9a 100644
> --- a/drivers/staging/wfx/bh.c
> +++ b/drivers/staging/wfx/bh.c
> @@ -5,7 +5,6 @@
>   * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
>   * Copyright (c) 2010, ST-Ericsson
>   */
> -#include <linux/gpio/consumer.h>
>  #include <net/mac80211.h>

Though bh.c refers to gpiod_set_value_cansleep()


>  #include "bh.h"
> diff --git a/drivers/staging/wfx/bh.h b/drivers/staging/wfx/bh.h
> index 78c49329e22a..92ef3298d4ac 100644
> --- a/drivers/staging/wfx/bh.h
> +++ b/drivers/staging/wfx/bh.h
> @@ -8,10 +8,6 @@
>  #ifndef WFX_BH_H
>  #define WFX_BH_H
> 
> -#include <linux/atomic.h>
> -#include <linux/wait.h>
> -#include <linux/workqueue.h>
> -
>  struct wfx_dev;
> 
>  struct wfx_hif {

Ditto, bh.h refers to atomic_t, struct work_struct and struct 
completion. If you try to compile bh.h alone (with something like
gcc -xc .../bh.h) it won't work.

Maybe it works now because we are lucky in the order the headers are 
included, but I think it is not sufficient.

[... same problem repeats multiple times in the following ...]

-- 
Jérôme Pouiller