linux-kernel - Re: [PATCH 3/4] phy: mediatek: phy-mtk-hdmi: Reorder and stop implicit header inclusion

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Date:   Thu, 6 Jan 2022 17:22:05 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        <chunkuang.hu@...nel.org>
CC:     <p.zabel@...gutronix.de>, <kishon@...com>, <vkoul@...nel.org>,
        <matthias.bgg@...il.com>, <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-phy@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] phy: mediatek: phy-mtk-hdmi: Reorder and stop
 implicit header inclusion

On Mon, 2022-01-03 at 16:30 +0100, AngeloGioacchino Del Regno wrote:
> All the headers for phy-mtk-{hdmi,hdmi-mt2701,hdmi-mt8183}.c were
> included from phy-mtk-mipi-dsi.h, but this isn't optimal: in order to
> increase readability and sensibly reduce build times, the inclusions
> should be done per-file, also avoiding to include unused headers and
> should not be implicit.
> 
> For this reason, move the inclusions to each file and remove unused
> ones.
> 
> Signed-off-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@...labora.com>
> ---
>  drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c |  5 +++++
>  drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c |  5 +++++
>  drivers/phy/mediatek/phy-mtk-hdmi.c        |  8 ++++++++
>  drivers/phy/mediatek/phy-mtk-hdmi.h        | 10 +---------
>  4 files changed, 19 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> index 09e0dd7499d8..270c5f538483 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt2701.c
> @@ -4,6 +4,11 @@
>   * Author: Chunhui Dai <chunhui.dai@...iatek.com>
>   */
>  
> +#include <linux/clk-provider.h>
> +#include <linux/delay.h>
> +#include <linux/device.h>
> +#include <linux/module.h>
> +#include <linux/regmap.h>
>  #include "phy-mtk-hdmi.h"
>  
>  #define HDMI_CON0	0x00
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> b/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> index e317bf4a9db9..87ba9a3687b7 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8173.c
> @@ -4,6 +4,11 @@
>   * Author: Jie Qiu <jie.qiu@...iatek.com>
>   */
>  
> +#include <linux/clk-provider.h>
> +#include <linux/delay.h>
> +#include <linux/device.h>
> +#include <linux/module.h>
> +#include <linux/regmap.h>
>  #include "phy-mtk-hdmi.h"
>  
>  #define HDMI_CON0		0x00
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.c
> b/drivers/phy/mediatek/phy-mtk-hdmi.c
> index b4193cb4e4e3..e037fa89696c 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi.c
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi.c
> @@ -4,6 +4,14 @@
>   * Author: Jie Qiu <jie.qiu@...iatek.com>
>   */
>  
> +#include <linux/clk.h>
> +#include <linux/clk-provider.h>
> +#include <linux/device.h>
> +#include <linux/module.h>
> +#include <linux/of_device.h>
> +#include <linux/platform_device.h>
> +#include <linux/regmap.h>
> +#include <linux/phy/phy.h>
>  #include "phy-mtk-hdmi.h"
>  
>  inline struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw)
> diff --git a/drivers/phy/mediatek/phy-mtk-hdmi.h
> b/drivers/phy/mediatek/phy-mtk-hdmi.h
> index a0571271d730..ef81e44a235d 100644
> --- a/drivers/phy/mediatek/phy-mtk-hdmi.h
> +++ b/drivers/phy/mediatek/phy-mtk-hdmi.h
> @@ -6,17 +6,9 @@
>  
>  #ifndef _MTK_HDMI_PHY_H
>  #define _MTK_HDMI_PHY_H
> -#include <linux/clk.h>
> +
>  #include <linux/clk-provider.h>
> -#include <linux/delay.h>
> -#include <linux/io.h>
> -#include <linux/mfd/syscon.h>
> -#include <linux/module.h>
> -#include <linux/of_device.h>
> -#include <linux/phy/phy.h>
> -#include <linux/platform_device.h>
>  #include <linux/regmap.h>
> -#include <linux/types.h>
Please do not move common headers also into .c files

>  
>  struct mtk_hdmi_phy;
>