clk: mediatek: clk-mt6795-topckgen: Migrate to mtk_clk_simple_probe()

Migrate away from custom probe functions and use the commonized
mtk_clk_simple_{probe, remove}().

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/20230120092053.182923-22-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-mt6795-topckgen.c

@@ -523,88 +523,30 @@ static struct mtk_composite top_aud_divs[] = {
 	DIV_GATE(CLK_TOP_APLL2_DIV5, "apll2_div5", "apll2_div4", 0x12c, 21, 0x12c, 4, 4),
 };
 
+static const struct mtk_clk_desc topck_desc = {
+	.fixed_clks = fixed_clks,
+	.num_fixed_clks = ARRAY_SIZE(fixed_clks),
+	.factor_clks = top_divs,
+	.num_factor_clks = ARRAY_SIZE(top_divs),
+	.mux_clks = top_muxes,
+	.num_mux_clks = ARRAY_SIZE(top_muxes),
+	.composite_clks = top_aud_divs,
+	.num_composite_clks = ARRAY_SIZE(top_aud_divs),
+	.clk_lock = &mt6795_top_clk_lock,
+};
 
 static const struct of_device_id of_match_clk_mt6795_topckgen[] = {
-	{ .compatible = "mediatek,mt6795-topckgen" },
+	{ .compatible = "mediatek,mt6795-topckgen", .data = &topck_desc },
 	{ /* sentinel */ }
 };
 
-static int clk_mt6795_topckgen_probe(struct platform_device *pdev)
-{
-	struct clk_hw_onecell_data *clk_data;
-	struct device_node *node = pdev->dev.of_node;
-	void __iomem *base;
-	int ret;
-
-	base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
-
-	clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
-	if (!clk_data)
-		return -ENOMEM;
-
-	ret = mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data);
-	if (ret)
-		goto free_clk_data;
-
-	ret = mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
-	if (ret)
-		goto unregister_fixed_clks;
-
-	ret = mtk_clk_register_muxes(&pdev->dev, top_muxes,
-				     ARRAY_SIZE(top_muxes), node,
-				     &mt6795_top_clk_lock, clk_data);
-	if (ret)
-		goto unregister_factors;
-
-	ret = mtk_clk_register_composites(&pdev->dev, top_aud_divs,
-					  ARRAY_SIZE(top_aud_divs), base,
-					  &mt6795_top_clk_lock, clk_data);
-	if (ret)
-		goto unregister_muxes;
-
-	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-	if (ret)
-		goto unregister_composites;
-
-	return 0;
-
-unregister_composites:
-	mtk_clk_unregister_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), clk_data);
-unregister_muxes:
-	mtk_clk_unregister_muxes(top_muxes, ARRAY_SIZE(top_muxes), clk_data);
-unregister_factors:
-	mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
-unregister_fixed_clks:
-	mtk_clk_unregister_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data);
-free_clk_data:
-	mtk_free_clk_data(clk_data);
-	return ret;
-}
-
-static int clk_mt6795_topckgen_remove(struct platform_device *pdev)
-{
-	struct device_node *node = pdev->dev.of_node;
-	struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);
-
-	of_clk_del_provider(node);
-	mtk_clk_unregister_composites(top_aud_divs, ARRAY_SIZE(top_aud_divs), clk_data);
-	mtk_clk_unregister_muxes(top_muxes, ARRAY_SIZE(top_muxes), clk_data);
-	mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
-	mtk_clk_unregister_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks), clk_data);
-	mtk_free_clk_data(clk_data);
-
-	return 0;
-}
-
 static struct platform_driver clk_mt6795_topckgen_drv = {
 	.driver = {
 		.name = "clk-mt6795-topckgen",
 		.of_match_table = of_match_clk_mt6795_topckgen,
 	},
-	.probe = clk_mt6795_topckgen_probe,
-	.remove = clk_mt6795_topckgen_remove,
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
 };
 module_platform_driver(clk_mt6795_topckgen_drv);