Re: [PATCH 2/7] clk: renesas: rzg2l-cpg: Move pointers at the beginning of struct

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Hi Claudiu,

On Thu, 10 Apr 2025 at 16:06, Claudiu <claudiu.beznea@xxxxxxxxx> wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
>
> Move pointers at the beginning of structure definition to avoid padding,
> if any.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>

Thanks for your patch!

> --- a/drivers/clk/renesas/rzg2l-cpg.c
> +++ b/drivers/clk/renesas/rzg2l-cpg.c
> @@ -1183,20 +1183,20 @@ rzg2l_cpg_register_core_clk(const struct cpg_core_clk *core,
>  /**
>   * struct mstp_clock - MSTP gating clock
>   *
> + * @priv: CPG/MSTP private data
> + * @sibling: pointer to the other coupled clock
>   * @hw: handle between common and hardware-specific interfaces
>   * @off: register offset
>   * @bit: ON/MON bit
>   * @enabled: soft state of the clock, if it is coupled with another clock
> - * @priv: CPG/MSTP private data
> - * @sibling: pointer to the other coupled clock
>   */
>  struct mstp_clock {
> +       struct rzg2l_cpg_priv *priv;
> +       struct mstp_clock *sibling;

I would move them below hw (which contains only pointers), so
to_mod_clock() needs no calculations.

>         struct clk_hw hw;
>         u16 off;
>         u8 bit;
>         bool enabled;
> -       struct rzg2l_cpg_priv *priv;
> -       struct mstp_clock *sibling;
>  };
>
>  #define to_mod_clock(_hw) container_of(_hw, struct mstp_clock, hw)

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Gr{oetje,eeting}s,

                        Geert


--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds




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