Re: [PATCH 1/4] clk: renesas: rzg2l-cpg: Use devres API to register clocks

From: Geert Uytterhoeven
Date: Fri Jul 12 2024 - 09:55:38 EST


Hi Prabhakar,

On Fri, Jun 28, 2024 at 3:11 PM Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>
> We are using devres APIs for divider, mux and pll5 clocks so for
> consistency use the devres APIs for module and PLL clocks.
>
> While at it switched to clk_hw_register() instead of clk_register()
> as this has been marked as deprecated interface.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Thanks for your patch!

> --- a/drivers/clk/renesas/rzg2l-cpg.c
> +++ b/drivers/clk/renesas/rzg2l-cpg.c
> @@ -1023,6 +1023,7 @@ rzg2l_cpg_pll_clk_register(const struct cpg_core_clk *core,
> struct clk_init_data init;
> const char *parent_name;
> struct pll_clk *pll_clk;
> + int ret;
>
> parent = clks[core->parent & 0xffff];
> if (IS_ERR(parent))
> @@ -1045,7 +1046,11 @@ rzg2l_cpg_pll_clk_register(const struct cpg_core_clk *core,
> pll_clk->priv = priv;
> pll_clk->type = core->type;
>
> - return clk_register(NULL, &pll_clk->hw);
> + ret = devm_clk_hw_register(dev, &pll_clk->hw);
> + if (ret)
> + return NULL;

rzg2l_cpg_pll_clk_register() can return an ERR_PTR, so please
propagate the error code.

> +
> + return pll_clk->hw.clk;
> }

The rest LGTM.

Gr{oetje,eeting}s,

Geert

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

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