linux-kernel - Re: [PATCH v3 3/3] clk: renesas: Add RZ/V2H(P) CPG driver

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Message-ID: <CAMuHMdV5Pyy=5-N9nUZZSOnnpGf2Kp3miDMM5H3b+ah2QUUMtA@mail.gmail.com>
Date: Fri, 12 Jul 2024 14:00:02 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Philipp Zabel <p.zabel@...gutronix.de>, Magnus Damm <magnus.damm@...il.com>, 
	linux-clk@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-renesas-soc@...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 v3 3/3] clk: renesas: Add RZ/V2H(P) CPG driver

Hi Prabhakar,

On Thu, Jun 27, 2024 at 6:14 PM Prabhakar <prabhakar.csengg@...il.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Add RZ/V2H(P) CPG driver.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
> v2->v3
> - Added CLK_PLLDTY
> - Added core clocks sys_0_pclk and iotop_0_shclk
> - Dropped r9a09g057_crit_mod_clks

Thanks for the update!

> --- /dev/null
> +++ b/drivers/clk/renesas/r9a09g057-cpg.c

> +static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = {
> +       /* External Clock Inputs */
> +       DEF_INPUT("audio_extal", CLK_AUDIO_EXTAL),
> +       DEF_INPUT("rtxin", CLK_RTXIN),
> +       DEF_INPUT("qextal", CLK_QEXTAL),
> +
> +       /* PLL Clocks */
> +       DEF_FIXED(".pllcm33", CLK_PLLCM33, CLK_QEXTAL, 200, 3),
> +       DEF_FIXED(".plldty", CLK_PLLDTY, CLK_QEXTAL, 200, 3),
> +       DEF_PLL(".pllca55", CLK_PLLCA55, CLK_QEXTAL, PLL_CONF(0x64)),
> +
> +       /* Internal Core Clocks */
> +       DEF_FIXED(".pllcm33_div16", CLK_PLLCM33_DIV16, CLK_PLLCM33, 1, 16),
> +

Missing comment "/* Core Clocks */"?

> +       DEF_FIXED("sys_0_pclk", R9A09G057_SYS_0_PCLK, CLK_QEXTAL, 1, 1),
> +       DEF_FIXED("iotop_0_shclk", R9A09G057_IOTOP_0_SHCLK, CLK_PLLCM33_DIV16, 1, 1),
> +};
> +
> +static const struct rzv2h_mod_clk r9a09g057_mod_clks[] = {

__initconst

> +       DEF_MOD("scif_0_clk_pck",               CLK_PLLCM33_DIV16, 8, 15, 4, 15),
> +};
> +
> +static const struct rzv2h_reset r9a09g057_resets[] = {
> +       DEF_RST(9, 5, 4, 6),            /* SCIF_0_RST_SYSTEM_N */
> +};
>
> +const struct rzv2h_cpg_info r9a09g057_cpg_info = {

With my suggested changes to [2/3], these two can be __initconst, too.

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