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Message-ID: <CAMuHMdWwn8xcKX3vgawtGqksuMM3CKZx=3k6EKP3kDFZxbocdA@mail.gmail.com>
Date:   Fri, 1 Dec 2023 16:59:53 +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 04/14] clk: renesas: r9a08g045-cpg: Add clock and reset
 support for ETH0 and ETH1

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>
>
> RZ/G3S has 2 Gigabit Ethernet interfaces available. Add clock and reset
> support for both of them.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

Thanks for your patch!

> --- a/drivers/clk/renesas/r9a08g045-cpg.c
> +++ b/drivers/clk/renesas/r9a08g045-cpg.c
> @@ -217,6 +219,16 @@ static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
>                                         MSTOP(PERI_COM, BIT(11))),
>         DEF_MOD("sdhi2_aclk",           R9A08G045_SDHI2_ACLK, R9A08G045_CLK_P1, 0x554, 11,
>                                         MSTOP(PERI_COM, BIT(11))),
> +       DEF_COUPLED("eth0_axi",         R9A08G045_ETH0_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 0,
> +                                       MSTOP(PERI_COM, BIT(2))),
> +       DEF_COUPLED("eth0_chi",         R9A08G045_ETH0_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 0,
> +                                       MSTOP(PERI_COM, BIT(2))),
> +       DEF_MOD("eth0_refclk",          R9A08G045_ETH0_REFCLK, R9A08G045_CLK_HP, 0x57c, 8, 0),
> +       DEF_COUPLED("eth1_axi",         R9A08G045_ETH1_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 1,
> +                                       MSTOP(PERI_COM, BIT(3))),
> +       DEF_COUPLED("eth1_chi",         R9A08G045_ETH1_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 1,
> +                                       MSTOP(PERI_COM, BIT(3))),
> +       DEF_MOD("eth1_refclk",          R9A08G045_ETH1_REFCLK, R9A08G045_CLK_HP, 0x57c, 9, 0),
>         DEF_MOD("scif0_clk_pck",        R9A08G045_SCIF0_CLK_PCK, R9A08G045_CLK_P0, 0x584, 0,
>                                         MSTOP(MCPU2, BIT(1))),
>         DEF_MOD("gpio_hclk",            R9A08G045_GPIO_HCLK, R9A08G045_OSCCLK, 0x598, 0, 0),

LGTM, pending the MSTOP() part.

Is the MSTOP() handling needed to function? IIUIC, all modules are
enabled
out of reset.
If it is not needed, I can take this patch and remove the MSTOP() part.

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

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