clk: mediatek: clk-mt7986-topckgen: Migrate to mtk_clk_simple_probe()

There are no more non-common calls in clk_mt7986_topckgen_probe():
migrate this driver to mtk_clk_simple_probe().

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230120092053.182923-24-angelogioacchino.delregno@collabora.com
Tested-by: Mingming Su <mingming.su@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: AngeloGioacchino Del Regno

drivers/clk/mediatek/clk-mt7986-topckgen.c

@@ -290,53 +290,24 @@ static const struct mtk_mux top_muxes[] = {
 			     0x1C4, 5),
 };
 
-static int clk_mt7986_topckgen_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(top_fixed_clks) + ARRAY_SIZE(top_divs) +
-		 ARRAY_SIZE(top_muxes);
-
-	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_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks),
-				    clk_data);
-	mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
-	mtk_clk_register_muxes(&pdev->dev, top_muxes,
-			       ARRAY_SIZE(top_muxes), node,
-			       &mt7986_clk_lock, 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_topckgen_data;
-	}
-	return r;
-
-free_topckgen_data:
-	mtk_free_clk_data(clk_data);
-	return r;
-}
+static const struct mtk_clk_desc topck_desc = {
+	.fixed_clks = top_fixed_clks,
+	.num_fixed_clks = ARRAY_SIZE(top_fixed_clks),
+	.factor_clks = top_divs,
+	.num_factor_clks = ARRAY_SIZE(top_divs),
+	.mux_clks = top_muxes,
+	.num_mux_clks = ARRAY_SIZE(top_muxes),
+	.clk_lock = &mt7986_clk_lock,
+};
 
 static const struct of_device_id of_match_clk_mt7986_topckgen[] = {
-	{ .compatible = "mediatek,mt7986-topckgen", },
-	{}
+	{ .compatible = "mediatek,mt7986-topckgen", .data = &topck_desc },
+	{ /* sentinel */ }
 };
 
 static struct platform_driver clk_mt7986_topckgen_drv = {
-	.probe = clk_mt7986_topckgen_probe,
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
 	.driver = {
 		.name = "clk-mt7986-topckgen",
 		.of_match_table = of_match_clk_mt7986_topckgen,