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Subject[PATCH v4 35/54] clk: mediatek: mt8186-mcu: Migrate to common probe mechanism
Date
Convert MT8186 MCUSYS clocks to the common mtk_clk_simple_probe().

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
---
drivers/clk/mediatek/clk-mt8186-mcu.c | 68 +++++----------------------
1 file changed, 13 insertions(+), 55 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt8186-mcu.c b/drivers/clk/mediatek/clk-mt8186-mcu.c
index e52a2d986c99..895856df95df 100644
--- a/drivers/clk/mediatek/clk-mt8186-mcu.c
+++ b/drivers/clk/mediatek/clk-mt8186-mcu.c
@@ -43,67 +43,25 @@ static struct mtk_composite mcu_muxes[] = {
MUX(CLK_MCU_ARMPLL_BUS_SEL, "mcu_armpll_bus_sel", mcu_armpll_bus_parents, 0x2E0, 9, 2),
};

-static const struct of_device_id of_match_clk_mt8186_mcu[] = {
- { .compatible = "mediatek,mt8186-mcusys", },
- {}
+static const struct mtk_clk_desc mcu_desc = {
+ .composite_clks = mcu_muxes,
+ .num_composite_clks = ARRAY_SIZE(mcu_muxes),
};

-static int clk_mt8186_mcu_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_MCU_NR_CLK);
- if (!clk_data)
- return -ENOMEM;
-
- base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(base)) {
- r = PTR_ERR(base);
- goto free_mcu_data;
- }
-
- r = mtk_clk_register_composites(&pdev->dev, mcu_muxes,
- ARRAY_SIZE(mcu_muxes), base,
- NULL, clk_data);
- if (r)
- goto free_mcu_data;
-
- 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(mcu_muxes, ARRAY_SIZE(mcu_muxes), clk_data);
-free_mcu_data:
- mtk_free_clk_data(clk_data);
- return r;
-}
-
-static int clk_mt8186_mcu_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(mcu_muxes, ARRAY_SIZE(mcu_muxes), clk_data);
- mtk_free_clk_data(clk_data);
-
- return 0;
-}
+static const struct of_device_id of_match_clk_mt8186_mcu[] = {
+ { .compatible = "mediatek,mt8186-mcusys", .data = &mcu_desc },
+ { /* sentinel */}
+};

static struct platform_driver clk_mt8186_mcu_drv = {
- .probe = clk_mt8186_mcu_probe,
- .remove = clk_mt8186_mcu_remove,
.driver = {
.name = "clk-mt8186-mcu",
.of_match_table = of_match_clk_mt8186_mcu,
},
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
};
-builtin_platform_driver(clk_mt8186_mcu_drv);
+module_platform_driver(clk_mt8186_mcu_drv);
+
+MODULE_DESCRIPTION("MediaTek MT8186 mcusys clocks driver");
+MODULE_LICENSE("GPL");
--
2.39.1
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