[PATCH 29/32] clk: mediatek: mt8192: Switch to common probe/remove helpers

[Akari Tsuyukusa]

The MT8192 clock drivers can use the MediaTek clock framework
common initialization sequence. Reduce boilerplate code by creating
struct mtk_clk_desc and using the mtk_clk_simple_probe/remove helpers.

Signed-off-by: Akari Tsuyukusa <akkun11.open at gmail.com>
---
 drivers/clk/mediatek/clk-mt8192-apmixedsys.c | 69 ++++----------------
 drivers/clk/mediatek/clk-mt8192-aud.c        | 26 +-------
 2 files changed, 16 insertions(+), 79 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt8192-apmixedsys.c b/drivers/clk/mediatek/clk-mt8192-apmixedsys.c
index e6ac40e2f12d..92593370f23b 100644
--- a/drivers/clk/mediatek/clk-mt8192-apmixedsys.c
+++ b/drivers/clk/mediatek/clk-mt8192-apmixedsys.c
@@ -143,72 +143,29 @@ static struct mtk_pllfh_data pllfhs[] = {
 	FH(CLK_APMIXED_TVDPLL, FH_TVDPLL, 0x154),
 };
 
+static const struct mtk_clk_desc apmixed_desc = {
+	.clks = apmixed_clks,
+	.num_clks = ARRAY_SIZE(apmixed_clks),
+	.plls = plls,
+	.num_plls = ARRAY_SIZE(plls),
+	.fhctl_node = "mediatek,mt8192-fhctl",
+	.pllfhs = pllfhs,
+	.num_pllfhs = ARRAY_SIZE(pllfhs),
+};
+
 static const struct of_device_id of_match_clk_mt8192_apmixed[] = {
-	{ .compatible = "mediatek,mt8192-apmixedsys" },
+	{ .compatible = "mediatek,mt8192-apmixedsys", .data = &apmixed_desc },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_apmixed);
 
-static int clk_mt8192_apmixed_probe(struct platform_device *pdev)
-{
-	struct clk_hw_onecell_data *clk_data;
-	struct device_node *node = pdev->dev.of_node;
-	const u8 *fhctl_node = "mediatek,mt8192-fhctl";
-	int r;
-
-	clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
-	if (!clk_data)
-		return -ENOMEM;
-
-	fhctl_parse_dt(fhctl_node, pllfhs, ARRAY_SIZE(pllfhs));
-
-	r = mtk_clk_register_pllfhs(&pdev->dev, plls, ARRAY_SIZE(plls),
-				    pllfhs, ARRAY_SIZE(pllfhs), clk_data);
-	if (r)
-		goto free_clk_data;
-
-	r = mtk_clk_register_gates(&pdev->dev, node, apmixed_clks,
-				   ARRAY_SIZE(apmixed_clks), clk_data);
-	if (r)
-		goto unregister_plls;
-
-	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
-	if (r)
-		goto unregister_gates;
-
-	platform_set_drvdata(pdev, clk_data);
-
-	return r;
-
-unregister_gates:
-	mtk_clk_unregister_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data);
-unregister_plls:
-	mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,
-				  ARRAY_SIZE(pllfhs), clk_data);
-free_clk_data:
-	mtk_free_clk_data(clk_data);
-	return r;
-}
-
-static void clk_mt8192_apmixed_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_gates(apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data);
-	mtk_clk_unregister_pllfhs(plls, ARRAY_SIZE(plls), pllfhs,
-				  ARRAY_SIZE(pllfhs), clk_data);
-	mtk_free_clk_data(clk_data);
-}
-
 static struct platform_driver clk_mt8192_apmixed_drv = {
 	.driver = {
 		.name = "clk-mt8192-apmixed",
 		.of_match_table = of_match_clk_mt8192_apmixed,
 	},
-	.probe = clk_mt8192_apmixed_probe,
-	.remove = clk_mt8192_apmixed_remove,
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
 };
 module_platform_driver(clk_mt8192_apmixed_drv);
 MODULE_DESCRIPTION("MediaTek MT8192 apmixed clocks driver");
diff --git a/drivers/clk/mediatek/clk-mt8192-aud.c b/drivers/clk/mediatek/clk-mt8192-aud.c
index f3ebf8713fbb..8625f656a2e4 100644
--- a/drivers/clk/mediatek/clk-mt8192-aud.c
+++ b/drivers/clk/mediatek/clk-mt8192-aud.c
@@ -80,29 +80,9 @@ static const struct mtk_gate aud_clks[] = {
 static const struct mtk_clk_desc aud_desc = {
 	.clks = aud_clks,
 	.num_clks = ARRAY_SIZE(aud_clks),
+	.populate_children = true,
 };
 
-static int clk_mt8192_aud_probe(struct platform_device *pdev)
-{
-	int r;
-
-	r = mtk_clk_simple_probe(pdev);
-	if (r)
-		return r;
-
-	r = devm_of_platform_populate(&pdev->dev);
-	if (r)
-		mtk_clk_simple_remove(pdev);
-
-	return r;
-}
-
-static void clk_mt8192_aud_remove(struct platform_device *pdev)
-{
-	of_platform_depopulate(&pdev->dev);
-	mtk_clk_simple_remove(pdev);
-}
-
 static const struct of_device_id of_match_clk_mt8192_aud[] = {
 	{ .compatible = "mediatek,mt8192-audsys", .data = &aud_desc },
 	{ /* sentinel */ }
@@ -110,8 +90,8 @@ static const struct of_device_id of_match_clk_mt8192_aud[] = {
 MODULE_DEVICE_TABLE(of, of_match_clk_mt8192_aud);
 
 static struct platform_driver clk_mt8192_aud_drv = {
-	.probe = clk_mt8192_aud_probe,
-	.remove = clk_mt8192_aud_remove,
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
 	.driver = {
 		.name = "clk-mt8192-aud",
 		.of_match_table = of_match_clk_mt8192_aud,
-- 
2.55.0