linux-kernel - Re: [PATCH 03/18] clk: meson: migrate a1 clock drivers out of hw_onecell_data to drop NR

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Date:   Thu, 08 Jun 2023 14:45:29 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Neil Armstrong <neil.armstrong@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 03/18] clk: meson: migrate a1 clock drivers out of
 hw_onecell_data to drop NR_CLKS

>  
> +struct meson_a1_pll_clks {
> +	struct clk_hw **hw_clks;
> +	unsigned int hw_clk_num;
> +};
> +
> +static struct meson_a1_pll_clks a1_pll_clks = {
> +	.hw_clks = a1_pll_hw_clks,
> +	.hw_clk_num = ARRAY_SIZE(a1_pll_hw_clks),
> +};
> +
> +static struct clk_hw *meson_a1_pll_hw_get(struct of_phandle_args *clkspec, void *clk_data)
> +{
> +	const struct meson_a1_pll_clks *data = clk_data;
> +	unsigned int idx = clkspec->args[0];
> +
> +	if (idx >= data->hw_clk_num) {
> +		pr_err("%s: invalid index %u\n", __func__, idx);
> +		return ERR_PTR(-EINVAL);
> +	}
> +
> +	return data->hw_clks[idx];
> +}

I'd prefer to have a single struct type and and single custom
callback for the different SoC please.