Re: [PATCH v2 06/16] clk: starfive: Add JH7100 clock generator driver

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On Thu, Oct 21, 2021 at 8:43 PM Emil Renner Berthing <kernel@xxxxxxxx> wrote:

...

> +static struct clk_hw *clk_starfive_jh7100_get(struct of_phandle_args *clkspec, void *data)
> +{
> +       struct clk_starfive_jh7100_priv *priv = data;
> +       unsigned int idx = clkspec->args[0];
> +
> +       if (idx >= JH7100_CLK_END) {
> +               dev_err(priv->dev, "invalid clock index %u\n", idx);
> +               return ERR_PTR(-EINVAL);

After this
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/commit/?h=driver-core-next&id=7065f92255bb2468dbb9aa0537ff186ef64d5a02
It's okay to use

> +       }

       if (idx >= JH7100_CLK_END)
               return dev_err_probe(priv->dev, -EINVAL, "invalid clock
index %u\n", idx);

Ditto for other similar cases.

> +       if (idx >= JH7100_CLK_PLL0_OUT)
> +               return priv->pll[idx - JH7100_CLK_PLL0_OUT];
> +
> +       return &priv->reg[idx].hw;
> +}

...

> +       while (idx)
> +               clk_hw_unregister(&priv->reg[--idx].hw);

I still consider that usual pattern, i.e.

       while (idx--)
               clk_hw_unregister(&priv->reg[idx].hw);

but since you are pushing hard for your variant I'll leave it to the
maintainers and author.

-- 
With Best Regards,
Andy Shevchenko



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