linux-kernel - Re: [PATCH 20/31] clk: mediatek: mtk: Clean up included headers

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Message-ID: <20220126072647.8794-1-miles.chen@mediatek.com>
Date:   Wed, 26 Jan 2022 15:26:47 +0800
From:   Miles Chen <miles.chen@...iatek.com>
To:     <wenst@...omium.org>
CC:     <chun-jie.chen@...iatek.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <matthias.bgg@...il.com>,
        <mturquette@...libre.com>, <sboyd@...nel.org>
Subject: Re: [PATCH 20/31] clk: mediatek: mtk: Clean up included headers

> Some included headers aren't actually used anywhere, while other headers
> with the declaration of functions and structures aren't directly
> included.
> 
> Get rid of the unused ones, and add the ones that should be included
> directly.
> 
> On the header side, replace headers that are included purely for data
> structure definitions with forward declarations. This decreases the
> amount of preprocessing and compilation effort required for each
> inclusion.
> 
> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>

Reviewed-by: Miles Chen <miles.chen@...iatek.com>
> ---
>  drivers/clk/mediatek/clk-mtk.c | 13 ++++++-------
>  drivers/clk/mediatek/clk-mtk.h | 12 ++++++------
>  2 files changed, 12 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
> index cd76e1d80242..d2c50186cceb 100644
> --- a/drivers/clk/mediatek/clk-mtk.c
> +++ b/drivers/clk/mediatek/clk-mtk.c
> @@ -4,17 +4,16 @@
>   * Author: James Liao <jamesjj.liao@...iatek.com>
>   */
>  
> -#include <linux/of.h>
> -#include <linux/of_address.h>
> +#include <linux/bitops.h>
> +#include <linux/clk-provider.h>
>  #include <linux/err.h>
>  #include <linux/io.h>
> -#include <linux/slab.h>
> -#include <linux/delay.h>
> -#include <linux/clkdev.h>
> -#include <linux/module.h>
>  #include <linux/mfd/syscon.h>
> -#include <linux/device.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
>  #include <linux/of_device.h>
> +#include <linux/platform_device.h>
> +#include <linux/slab.h>
>  
>  #include "clk-mtk.h"
>  #include "clk-gate.h"
> diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
> index 4fa658f5d934..7f902581a115 100644
> --- a/drivers/clk/mediatek/clk-mtk.h
> +++ b/drivers/clk/mediatek/clk-mtk.h
> @@ -7,19 +7,19 @@
>  #ifndef __DRV_CLK_MTK_H
>  #define __DRV_CLK_MTK_H
>  
> -#include <linux/regmap.h>
> -#include <linux/bitops.h>
>  #include <linux/clk-provider.h>
> -#include <linux/platform_device.h>
> -
> -struct clk;
> -struct clk_onecell_data;
> +#include <linux/io.h>
> +#include <linux/kernel.h>
> +#include <linux/spinlock.h>
> +#include <linux/types.h>
>  
>  #define MAX_MUX_GATE_BIT	31
>  #define INVALID_MUX_GATE_BIT	(MAX_MUX_GATE_BIT + 1)
>  
>  #define MHZ (1000 * 1000)
>  
> +struct platform_device;
> +
>  struct mtk_fixed_clk {
>  	int id;
>  	const char *name;
> -- 
> 2.35.0.rc0.227.g00780c9af4-goog