linux-kernel - Re: [PATCH v2 12/13] pinctrl: renesas: pinctrl-rzg2l: Add support for custom parameters

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Date: Wed, 22 May 2024 15:21:33 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Magnus Damm <magnus.damm@...il.com>, linux-renesas-soc@...r.kernel.org, 
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Biju Das <biju.das.jz@...renesas.com>, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v2 12/13] pinctrl: renesas: pinctrl-rzg2l: Add support for
 custom parameters

Hi Prabhakar,

On Tue, Apr 23, 2024 at 7:59 PM Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> In preparation for passing custom params for RZ/V2H(P) SoC assign the
> custom params that is being passed via struct rzg2l_pinctrl_data.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> RFC->v2
> - No change

Thanks for your patch!

> --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> @@ -262,6 +262,9 @@ struct rzg2l_pinctrl_data {
>         const struct rzg2l_hwcfg *hwcfg;
>         const struct rzg2l_variable_pin_cfg *variable_pin_cfg;
>         unsigned int n_variable_pin_cfg;
> +       unsigned int num_custom_params;
> +       const struct pinconf_generic_params *custom_params;
> +       const struct pin_config_item *custom_conf_items;

Perhaps this should be protected by #ifdef CONFIG_DEBUG_FS, too?

>         void (*pwpr_pfc_unlock)(struct rzg2l_pinctrl *pctrl);
>         void (*pwpr_pfc_lock)(struct rzg2l_pinctrl *pctrl);
>         void (*pmc_writeb)(struct rzg2l_pinctrl *pctrl, u8 val, void __iomem *addr);
> @@ -2374,6 +2377,13 @@ static int rzg2l_pinctrl_register(struct rzg2l_pinctrl *pctrl)
>         pctrl->desc.pmxops = &rzg2l_pinctrl_pmxops;
>         pctrl->desc.confops = &rzg2l_pinctrl_confops;
>         pctrl->desc.owner = THIS_MODULE;
> +       if (pctrl->data->num_custom_params) {
> +               pctrl->desc.num_custom_params = pctrl->data->num_custom_params;
> +               pctrl->desc.custom_params = pctrl->data->custom_params;
> +#ifdef CONFIG_DEBUG_FS
> +               pctrl->desc.custom_conf_items = pctrl->data->custom_conf_items;
> +#endif
> +       }
>
>         pins = devm_kcalloc(pctrl->dev, pctrl->desc.npins, sizeof(*pins), GFP_KERNEL);
>         if (!pins)

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68korg

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