Re: [PATCH 14/31] clk: mediatek: pll: Clean up included headers

From: Miles Chen
Date: Wed Jan 26 2022 - 01:36:50 EST


> 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.
>
> Also, expand the MHZ macro with spelled-out "1000 * 1000" to be able
> to not include clk-mtk.h. The existing ternary operator is rewritten
> in a shortened form to accommodate the expanded macro.

I think MHZ is more human readable than 1000*1000,
like SZ_4K in linux/sizes.h.

MHZ is also use by other clk-mtxxxx.c (by including clk-mtk.h)
, so maybe we should keep clk-mtk.h?

Miles
>
> Signed-off-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
> ---
> drivers/clk/mediatek/clk-pll.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/clk/mediatek/clk-pll.c b/drivers/clk/mediatek/clk-pll.c
> index 081e0df8203e..9698d1c97cd6 100644
> --- a/drivers/clk/mediatek/clk-pll.c
> +++ b/drivers/clk/mediatek/clk-pll.c
> @@ -4,15 +4,15 @@
> * Author: James Liao <jamesjj.liao@xxxxxxxxxxxx>
> */
>
> -#include <linux/of.h>
> -#include <linux/of_address.h>
> +#include <linux/clk-provider.h>
> +#include <linux/container_of.h>
> +#include <linux/delay.h>
> +#include <linux/err.h>
> #include <linux/io.h>
> #include <linux/module.h>
> +#include <linux/of_address.h>
> #include <linux/slab.h>
> -#include <linux/clkdev.h>
> -#include <linux/delay.h>
>
> -#include "clk-mtk.h"
> #include "clk-pll.h"
>
> #define REG_CON0 0
> @@ -162,7 +162,7 @@ static void mtk_pll_set_rate_regs(struct mtk_clk_pll *pll, u32 pcw,
> static void mtk_pll_calc_values(struct mtk_clk_pll *pll, u32 *pcw, u32 *postdiv,
> u32 freq, u32 fin)
> {
> - unsigned long fmin = pll->data->fmin ? pll->data->fmin : (1000 * MHZ);
> + unsigned long fmin = pll->data->fmin ?: (1000 * 1000 * 1000);
> const struct mtk_pll_div_table *div_table = pll->data->div_table;
> u64 _pcw;
> int ibits;
> --
> 2.35.0.rc0.227.g00780c9af4-goog