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References: <20221026014227.162121-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20221026014227.162121-3-prabhakar.mahadev-lad.rj@bp.renesas.com>
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From:   Geert Uytterhoeven <geert@linux-m68k.org>
Date:   Wed, 26 Oct 2022 09:58:22 +0200
Message-ID: <CAMuHMdVa28=84ZovtWazx0w=xWLDZioK0+CVnoE=NALjMewSkg@mail.gmail.com>
Subject: Re: [PATCH v2 2/2] clk: renesas: r9a07g044: Add CRU_SYSCLK and
 CRU_VCLK to no PM list
To:     Prabhakar <prabhakar.csengg@gmail.com>
Cc:     Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Biju Das <biju.das.jz@bp.renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
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Precedence: bulk

Hi Prabhakar,

On Wed, Oct 26, 2022 at 3:42 AM Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> CRU_SYSCLK and CRU_VCLK clocks need to be turned ON/OFF in particular
> sequence for the CRU block hence add these clocks to
> r9a07g044_no_pm_mod_clks[] array.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> ---
> v1->v2
> * Dropped usage of DEF_NO_PM() macro
> * Added CRU_SYSCLK and CRU_VCLK to no PM list
> * Updated commit message

Thanks for the update!

> --- a/drivers/clk/renesas/r9a07g044-cpg.c
> +++ b/drivers/clk/renesas/r9a07g044-cpg.c
> @@ -412,6 +412,11 @@ static const unsigned int r9a07g044_crit_mod_clks[] __initconst = {
>         MOD_CLK_BASE + R9A07G044_DMAC_ACLK,
>  };
>
> +static const unsigned int r9a07g044_no_pm_mod_clks[] __initconst = {

This cannot be __initconst, so please drop this keyword.

> +       MOD_CLK_BASE + R9A07G044_CRU_SYSCLK,
> +       MOD_CLK_BASE + R9A07G044_CRU_VCLK,
> +};

I believe I haven't seen patches yet to add support for these clocks?
Perhaps these can be combined?

Thanks!

Gr{oetje,eeting}s,

                        Geert

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