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From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
To:     mturquette@baylibre.com
Cc:     sboyd@kernel.org, matthias.bgg@gmail.com, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org,
        angelogioacchino.delregno@collabora.com, wenst@chromium.org,
        johnson.wang@mediatek.com, miles.chen@mediatek.com,
        fparent@baylibre.com, chun-jie.chen@mediatek.com,
        sam.shih@mediatek.com, y.oudjana@protonmail.com,
        nfraprado@collabora.com, rex-bc.chen@mediatek.com,
        ryder.lee@kernel.org, daniel@makrotopia.org,
        jose.exposito89@gmail.com, yangyingliang@huawei.com,
        pablo.sun@mediatek.com, msp@baylibre.com, weiyi.lu@mediatek.com,
        ikjn@chromium.org, linux-kernel@vger.kernel.org,
        linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org,
        kernel@collabora.com
Subject: [PATCH v4 20/23] clk: mediatek: clk-mt8186-topckgen: Migrate to mtk_clk_simple_probe()
Date:   Fri, 20 Jan 2023 10:20:50 +0100
Message-Id: <20230120092053.182923-21-angelogioacchino.delregno@collabora.com>
In-Reply-To: <20230120092053.182923-1-angelogioacchino.delregno@collabora.com>
References: <20230120092053.182923-1-angelogioacchino.delregno@collabora.com>
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As done with MT8192, migrate MT8186 topckgen away from a custom probe
function and use 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>
---
 drivers/clk/mediatek/clk-mt8186-topckgen.c | 103 ++++-----------------
 1 file changed, 19 insertions(+), 84 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt8186-topckgen.c b/drivers/clk/mediatek/clk-mt8186-topckgen.c
index c1107b2b614c..c6786c8b315f 100644
--- a/drivers/clk/mediatek/clk-mt8186-topckgen.c
+++ b/drivers/clk/mediatek/clk-mt8186-topckgen.c
@@ -681,11 +681,6 @@ static struct mtk_composite top_muxes[] = {
 			0x0320, 4, 0x0334, 8, 0),
 };
 
-static const struct of_device_id of_match_clk_mt8186_topck[] = {
-	{ .compatible = "mediatek,mt8186-topckgen", },
-	{}
-};
-
 /* Register mux notifier for MFG mux */
 static int clk_mt8186_reg_mfg_mux_notifier(struct device *dev, struct clk *clk)
 {
@@ -708,88 +703,28 @@ static int clk_mt8186_reg_mfg_mux_notifier(struct device *dev, struct clk *clk)
 	return devm_mtk_clk_mux_notifier_register(dev, clk, mfg_mux_nb);
 }
 
-static int clk_mt8186_topck_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;
-
-	clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
-	if (!clk_data)
-		return -ENOMEM;
-
-	base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(base)) {
-		r = PTR_ERR(base);
-		goto free_top_data;
-	}
-
-	r = mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks),
-					clk_data);
-	if (r)
-		goto free_top_data;
-
-	r = mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
-	if (r)
-		goto unregister_fixed_clks;
-
-	r = mtk_clk_register_muxes(&pdev->dev, top_mtk_muxes,
-				   ARRAY_SIZE(top_mtk_muxes), node,
-				   &mt8186_clk_lock, clk_data);
-	if (r)
-		goto unregister_factors;
-
-	r = mtk_clk_register_composites(&pdev->dev, top_muxes,
-					ARRAY_SIZE(top_muxes), base,
-					&mt8186_clk_lock, clk_data);
-	if (r)
-		goto unregister_muxes;
-
-	r = clk_mt8186_reg_mfg_mux_notifier(&pdev->dev,
-					    clk_data->hws[CLK_TOP_MFG]->clk);
-	if (r)
-		goto unregister_composite_muxes;
-
-	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-	if (r)
-		goto unregister_composite_muxes;
-
-	platform_set_drvdata(pdev, clk_data);
-
-	return r;
-
-unregister_composite_muxes:
-	mtk_clk_unregister_composites(top_muxes, ARRAY_SIZE(top_muxes), clk_data);
-unregister_muxes:
-	mtk_clk_unregister_muxes(top_mtk_muxes, ARRAY_SIZE(top_mtk_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_top_data:
-	mtk_free_clk_data(clk_data);
-	return r;
-}
-
-static int clk_mt8186_topck_remove(struct platform_device *pdev)
-{
-	struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);
-	struct device_node *node = pdev->dev.of_node;
-
-	of_clk_del_provider(node);
-	mtk_clk_unregister_composites(top_muxes, ARRAY_SIZE(top_muxes), clk_data);
-	mtk_clk_unregister_muxes(top_mtk_muxes, ARRAY_SIZE(top_mtk_muxes), clk_data);
-	mtk_clk_unregister_factors(top_divs, ARRAY_SIZE(top_divs), clk_data);
-	mtk_clk_unregister_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), clk_data);
-	mtk_free_clk_data(clk_data);
+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_mtk_muxes,
+	.num_mux_clks = ARRAY_SIZE(top_mtk_muxes),
+	.composite_clks = top_muxes,
+	.num_composite_clks = ARRAY_SIZE(top_muxes),
+	.clk_lock = &mt8186_clk_lock,
+	.clk_notifier_func = clk_mt8186_reg_mfg_mux_notifier,
+	.mfg_clk_idx = CLK_TOP_MFG,
+};
 
-	return 0;
-}
+static const struct of_device_id of_match_clk_mt8186_topck[] = {
+	{ .compatible = "mediatek,mt8186-topckgen", .data = &topck_desc },
+	{ /* sentinel */ }
+};
 
 static struct platform_driver clk_mt8186_topck_drv = {
-	.probe = clk_mt8186_topck_probe,
-	.remove = clk_mt8186_topck_remove,
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
 	.driver = {
 		.name = "clk-mt8186-topck",
 		.of_match_table = of_match_clk_mt8186_topck,
-- 
2.39.0