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SubjectRe: [PATCH v5 33/54] clk: mediatek: mt7986-infracfg: Migrate to common probe mechanism
On Wed, Feb 22, 2023 at 10:25:22AM +0100, AngeloGioacchino Del Regno wrote:
> Convert this driver to use the common mtk_clk_simple_probe() mechanism.
> While at it, also use module_platform_driver() instead, as this driver
> just gained a .remove() callback during the conversion.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>

Tested-by: Daniel Golle <daniel@makrotopia.org>
(on BananaPi BPi-R3)

> ---
> drivers/clk/mediatek/clk-mt7986-infracfg.c | 61 ++++++----------------
> 1 file changed, 17 insertions(+), 44 deletions(-)
>
> diff --git a/drivers/clk/mediatek/clk-mt7986-infracfg.c b/drivers/clk/mediatek/clk-mt7986-infracfg.c
> index 0a4bf87ee160..0299faad0733 100644
> --- a/drivers/clk/mediatek/clk-mt7986-infracfg.c
> +++ b/drivers/clk/mediatek/clk-mt7986-infracfg.c
> @@ -157,57 +157,30 @@ static const struct mtk_gate infra_clks[] = {
> GATE_INFRA2(CLK_INFRA_IPCIEB_CK, "infra_ipcieb", "sysaxi_sel", 15),
> };
>
> -static int clk_mt7986_infracfg_probe(struct platform_device *pdev)
> -{
> - struct clk_hw_onecell_data *clk_data;
> - struct device_node *node = pdev->dev.of_node;
> - int r;
> - void __iomem *base;
> - int nr = ARRAY_SIZE(infra_divs) + ARRAY_SIZE(infra_muxes) +
> - ARRAY_SIZE(infra_clks);
> -
> - base = of_iomap(node, 0);
> - if (!base) {
> - pr_err("%s(): ioremap failed\n", __func__);
> - return -ENOMEM;
> - }
> -
> - clk_data = mtk_alloc_clk_data(nr);
> -
> - if (!clk_data)
> - return -ENOMEM;
> -
> - mtk_clk_register_factors(infra_divs, ARRAY_SIZE(infra_divs), clk_data);
> - mtk_clk_register_muxes(&pdev->dev, infra_muxes,
> - ARRAY_SIZE(infra_muxes), node,
> - &mt7986_clk_lock, clk_data);
> - mtk_clk_register_gates(&pdev->dev, node, infra_clks,
> - ARRAY_SIZE(infra_clks), clk_data);
> -
> - r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
> - if (r) {
> - pr_err("%s(): could not register clock provider: %d\n",
> - __func__, r);
> - goto free_infracfg_data;
> - }
> - return r;
> -
> -free_infracfg_data:
> - mtk_free_clk_data(clk_data);
> - return r;
> -
> -}
> +static const struct mtk_clk_desc infra_desc = {
> + .clks = infra_clks,
> + .num_clks = ARRAY_SIZE(infra_clks),
> + .factor_clks = infra_divs,
> + .num_factor_clks = ARRAY_SIZE(infra_divs),
> + .mux_clks = infra_muxes,
> + .num_mux_clks = ARRAY_SIZE(infra_muxes),
> + .clk_lock = &mt7986_clk_lock,
> +};
>
> static const struct of_device_id of_match_clk_mt7986_infracfg[] = {
> - { .compatible = "mediatek,mt7986-infracfg", },
> - {}
> + { .compatible = "mediatek,mt7986-infracfg", .data = &infra_desc },
> + { /* sentinel */ }
> };
>
> static struct platform_driver clk_mt7986_infracfg_drv = {
> - .probe = clk_mt7986_infracfg_probe,
> .driver = {
> .name = "clk-mt7986-infracfg",
> .of_match_table = of_match_clk_mt7986_infracfg,
> },
> + .probe = mtk_clk_simple_probe,
> + .remove = mtk_clk_simple_remove,
> };
> -builtin_platform_driver(clk_mt7986_infracfg_drv);
> +module_platform_driver(clk_mt7986_infracfg_drv);
> +
> +MODULE_DESCRIPTION("MediaTek MT7986 infracfg clocks driver");
> +MODULE_LICENSE("GPL");
> --
> 2.39.2
>
>

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