clk: mediatek: mt8365: Convert to mtk_clk_simple_{probe,remove}()

All clocks in this driver are supported by the common simple probe
mechanism and it's now possible to migrate to it.

While at it, also switch to using the module_platform_driver() macro.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230306140543.1813621-15-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

1 files changed, 37 insertions, 204 deletions

diff --git a/drivers/clk/mediatek/clk-mt8365.c b/drivers/clk/mediatek/clk-mt8365.c
index fef6c653c9ce..208cdc157918 100644
--- a/drivers/clk/mediatek/clk-mt8365.c
+++ b/drivers/clk/mediatek/clk-mt8365.c
@@ -752,220 +752,53 @@ static const struct mtk_gate peri_clks[] = {
 		 &mtk_clk_gate_ops_no_setclr),
 };
 
-static int clk_mt8365_top_probe(struct platform_device *pdev)
-{
-	void __iomem *base;
-	struct clk_hw_onecell_data *clk_data;
-	struct device_node *node = pdev->dev.of_node;
-	struct device *dev = &pdev->dev;
-	int ret;
-	int i;
-
-	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(top_fixed_clks,
-					  ARRAY_SIZE(top_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,
-				     &mt8365_clk_lock, clk_data);
-	if (ret)
-		goto unregister_factors;
-
-	ret = mtk_clk_register_composites(&pdev->dev, top_misc_muxes,
-					  ARRAY_SIZE(top_misc_muxes), base,
-					  &mt8365_clk_lock, clk_data);
-	if (ret)
-		goto unregister_muxes;
-
-	ret = mtk_clk_register_dividers(top_adj_divs, ARRAY_SIZE(top_adj_divs),
-					base, &mt8365_clk_lock, clk_data);
-	if (ret)
-		goto unregister_composites;
-
-	ret = mtk_clk_register_gates(&pdev->dev, node, top_clk_gates,
-				     ARRAY_SIZE(top_clk_gates), clk_data);
-	if (ret)
-		goto unregister_dividers;
-
-	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-	if (ret)
-		goto unregister_gates;
-
-	return 0;
-unregister_gates:
-	mtk_clk_unregister_gates(top_clk_gates, ARRAY_SIZE(top_clk_gates), clk_data);
-unregister_dividers:
-	mtk_clk_unregister_dividers(top_adj_divs, ARRAY_SIZE(top_adj_divs),
-				    clk_data);
-unregister_composites:
-	mtk_clk_unregister_composites(top_misc_muxes,
-				      ARRAY_SIZE(top_misc_muxes), 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(top_fixed_clks,
-				      ARRAY_SIZE(top_fixed_clks), clk_data);
-free_clk_data:
-	mtk_free_clk_data(clk_data);
-
-	return ret;
-}
-
-static int clk_mt8365_infra_probe(struct platform_device *pdev)
-{
-	struct clk_hw_onecell_data *clk_data;
-	struct device_node *node = pdev->dev.of_node;
-	int ret;
-
-	clk_data = mtk_alloc_clk_data(CLK_IFR_NR_CLK);
-	if (!clk_data)
-		return -ENOMEM;
-
-	ret = mtk_clk_register_gates(&pdev->dev, node, ifr_clks,
-				     ARRAY_SIZE(ifr_clks), clk_data);
-	if (ret)
-		goto free_clk_data;
-
-	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-	if (ret)
-		goto unregister_gates;
-
-	return 0;
-
-unregister_gates:
-	mtk_clk_unregister_gates(ifr_clks, ARRAY_SIZE(ifr_clks), clk_data);
-free_clk_data:
-	mtk_free_clk_data(clk_data);
-
-	return ret;
-}
-
-static int clk_mt8365_peri_probe(struct platform_device *pdev)
-{
-	void __iomem *base;
-	struct clk_hw_onecell_data *clk_data;
-	struct device *dev = &pdev->dev;
-	struct device_node *node = dev->of_node;
-	int ret;
-
-	base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
-
-	clk_data = mtk_devm_alloc_clk_data(dev, CLK_PERI_NR_CLK);
-	if (!clk_data)
-		return -ENOMEM;
-
-
-	ret = mtk_clk_register_gates(&pdev->dev, node, peri_clks,
-				     ARRAY_SIZE(peri_clks), clk_data);
-	if (ret)
-		return ret;
-
-	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-
-	return ret;
-}
-
-static int clk_mt8365_mcu_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_MCU_NR_CLK);
-	if (!clk_data)
-		return -ENOMEM;
-
-	ret = mtk_clk_register_composites(&pdev->dev, mcu_muxes,
-					  ARRAY_SIZE(mcu_muxes), base,
-					  &mt8365_clk_lock, clk_data);
-	if (ret)
-		goto free_clk_data;
-
-	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-	if (ret)
-		goto unregister_composites;
+static const struct mtk_clk_desc topck_desc = {
+	.clks = top_clk_gates,
+	.num_clks = ARRAY_SIZE(top_clk_gates),
+	.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),
+	.composite_clks = top_misc_muxes,
+	.num_composite_clks = ARRAY_SIZE(top_misc_muxes),
+	.divider_clks = top_adj_divs,
+	.num_divider_clks = ARRAY_SIZE(top_adj_divs),
+	.clk_lock = &mt8365_clk_lock,
+};
 
-	return 0;
+static const struct mtk_clk_desc infra_desc = {
+	.clks = ifr_clks,
+	.num_clks = ARRAY_SIZE(ifr_clks),
+};
 
-unregister_composites:
-	mtk_clk_unregister_composites(mcu_muxes, ARRAY_SIZE(mcu_muxes),
-				      clk_data);
-free_clk_data:
-	mtk_free_clk_data(clk_data);
+static const struct mtk_clk_desc peri_desc = {
+	.clks = peri_clks,
+	.num_clks = ARRAY_SIZE(peri_clks),
+};
 
-	return ret;
-}
+static const struct mtk_clk_desc mcu_desc = {
+	.composite_clks = mcu_muxes,
+	.num_composite_clks = ARRAY_SIZE(mcu_muxes),
+	.clk_lock = &mt8365_clk_lock,
+};
 
 static const struct of_device_id of_match_clk_mt8365[] = {
-	{
-		.compatible = "mediatek,mt8365-topckgen",
-		.data = clk_mt8365_top_probe,
-	}, {
-		.compatible = "mediatek,mt8365-infracfg",
-		.data = clk_mt8365_infra_probe,
-	}, {
-		.compatible = "mediatek,mt8365-pericfg",
-		.data = clk_mt8365_peri_probe,
-	}, {
-		.compatible = "mediatek,mt8365-mcucfg",
-		.data = clk_mt8365_mcu_probe,
-	}, {
-		/* sentinel */
-	}
-};
-
-static int clk_mt8365_probe(struct platform_device *pdev)
-{
-	int (*clk_probe)(struct platform_device *pdev);
-	int ret;
-
-	clk_probe = of_device_get_match_data(&pdev->dev);
-	if (!clk_probe)
-		return -EINVAL;
-
-	ret = clk_probe(pdev);
-	if (ret)
-		dev_err(&pdev->dev,
-			"%s: could not register clock provider: %d\n",
-			pdev->name, ret);
-
-	return ret;
-}
+	{ .compatible = "mediatek,mt8365-topckgen", .data = &topck_desc },
+	{ .compatible = "mediatek,mt8365-infracfg", .data = &infra_desc },
+	{ .compatible = "mediatek,mt8365-pericfg", .data = &peri_desc },
+	{ .compatible = "mediatek,mt8365-mcucfg", .data = &mcu_desc },
+	{ /* sentinel */ }
+};
 
 static struct platform_driver clk_mt8365_drv = {
-	.probe = clk_mt8365_probe,
 	.driver = {
 		.name = "clk-mt8365",
 		.of_match_table = of_match_clk_mt8365,
 	},
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
 };
-
-static int __init clk_mt8365_init(void)
-{
-	return platform_driver_register(&clk_mt8365_drv);
-}
-arch_initcall(clk_mt8365_init);
+module_platform_driver(clk_mt8365_drv);
 MODULE_LICENSE("GPL");