netdev - Re: [PATCH 06/14] pinctrl: renesas: rzg2l: Add pin configuration support for pinmux groups

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Date: Fri, 1 Dec 2023 17:51:23 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Claudiu <claudiu.beznea@...on.dev>
Cc: s.shtylyov@....ru, davem@...emloft.net, edumazet@...gle.com, 
	kuba@...nel.org, pabeni@...hat.com, robh+dt@...nel.org, 
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, linux@...linux.org.uk, 
	magnus.damm@...il.com, mturquette@...libre.com, sboyd@...nel.org, 
	linus.walleij@...aro.org, p.zabel@...gutronix.de, arnd@...db.de, 
	m.szyprowski@...sung.com, alexandre.torgue@...s.st.com, afd@...com, 
	broonie@...nel.org, alexander.stein@...tq-group.com, 
	eugen.hristev@...labora.com, sergei.shtylyov@...il.com, 
	prabhakar.mahadev-lad.rj@...renesas.com, biju.das.jz@...renesas.com, 
	linux-renesas-soc@...r.kernel.org, netdev@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org, 
	linux-gpio@...r.kernel.org, Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH 06/14] pinctrl: renesas: rzg2l: Add pin configuration
 support for pinmux groups

Hi Claudiu,

On Mon, Nov 20, 2023 at 8:01 AM Claudiu <claudiu.beznea@...on.dev> wrote:
> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
>
> On RZ/G3S different Ethernet pins needs to be configured with different
> settings (e.g. power-source need to be set, RGMII TXC, TX_CTL pins need
> output-enable). Commit adjust driver to allow specifying pin configuration
> for pinmux groups. With this DT settings like the following are taken
> into account by driver:
>
> eth0_pins: eth0 {
>         tx_ctl {
>                 pinmux = <RZG2L_PORT_PINMUX(1, 1, 1)>;  /* ET0_TX_CTL */
>                 power-source = <1800>;
>                 output-enable;
>                 drive-strength-microamp = <5200>;
>         };
> };
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

Thanks for your patch!

> --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
> @@ -376,8 +376,11 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
>                 goto done;
>         }
>
> -       if (num_pinmux)
> +       if (num_pinmux) {
>                 nmaps += 1;
> +               if (num_configs)
> +                       nmaps += 1;

I think this would be more readable, and better follow the style of
the surrounding statements, if this new check would not be nested
under the num_pinmux check.

> +       }
>
>         if (num_pins)
>                 nmaps += num_pins;

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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