[PATCH v2 20/23] clk: mediatek: clk-mt8186-topckgen: Migrate to mtk_clk_simple_probe()

AngeloGioacchino Del Regno
2022-12-23T09:45:45Z

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>
---
drivers/clk/mediatek/clk-mt8186-topckgen.c | 101 ++++-----------------
1 file changed, 19 insertions(+), 82 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt8186-topckgen.c b/drivers/clk/mediatek/clk-mt8186-topckgen.c
index 63befb1f492d..0fba88adf9fa 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)
{
@@ -708,86 +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(top_mtk_muxes, ARRAY_SIZE(top_mtk_muxes), node,
- &mt8186_clk_lock, clk_data, &pdev->dev);
- if (r)
- goto unregister_factors;
-
- r = mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), base,
- &mt8186_clk_lock, clk_data, &pdev->dev);
- 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_adj_divs, ARRAY_SIZE(top_adj_divs), 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 },
+ {}
+};

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