Re: [PATCH v3 11/31] clk: mediatek: mux: Clean up included headers

[Chun-Jie Chen]

On Tue, 2022-02-08 at 20:40 +0800, Chen-Yu Tsai wrote:
> 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@xxxxxxxxxxxx>
> Reviewed-by: Miles Chen <miles.chen@xxxxxxxxxxxx>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@xxxxxxxxxxxxx>

Reviewed-by: Chun-Jie Chen <chun-jie.chen@xxxxxxxxxxxx>
> ---
>  drivers/clk/mediatek/clk-mux.c | 11 +++++++----
>  drivers/clk/mediatek/clk-mux.h |  8 +++++++-
>  2 files changed, 14 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/clk/mediatek/clk-mux.c
> b/drivers/clk/mediatek/clk-mux.c
> index 2d4d8dc0120a..01af6a52711a 100644
> --- a/drivers/clk/mediatek/clk-mux.c
> +++ b/drivers/clk/mediatek/clk-mux.c
> @@ -4,13 +4,16 @@
>   * Author: Owen Chen <owen.chen@xxxxxxxxxxxx>
>   */
>  
> -#include <linux/of.h>
> -#include <linux/of_address.h>
> -#include <linux/slab.h>
> +#include <linux/clk-provider.h>
> +#include <linux/compiler_types.h>
> +#include <linux/container_of.h>
> +#include <linux/err.h>
>  #include <linux/mfd/syscon.h>
>  #include <linux/module.h>
> +#include <linux/regmap.h>
> +#include <linux/spinlock.h>
> +#include <linux/slab.h>
>  
> -#include "clk-mtk.h"
>  #include "clk-mux.h"
>  
>  struct mtk_clk_mux {
> diff --git a/drivers/clk/mediatek/clk-mux.h
> b/drivers/clk/mediatek/clk-mux.h
> index 38a2b6014b08..903a3c937959 100644
> --- a/drivers/clk/mediatek/clk-mux.h
> +++ b/drivers/clk/mediatek/clk-mux.h
> @@ -7,7 +7,13 @@
>  #ifndef __DRV_CLK_MTK_MUX_H
>  #define __DRV_CLK_MTK_MUX_H
>  
> -#include <linux/clk-provider.h>
> +#include <linux/spinlock.h>
> +#include <linux/types.h>
> +
> +struct clk;
> +struct clk_onecell_data;
> +struct clk_ops;
> +struct device_node;
>  
>  struct mtk_mux {
>  	int id;