[v6,05/13] clk: hisilicon: hi3519: Use helper functions

Commit Message

David Yang July 31, 2023, 12:18 p.m. UTC

Use common helper functions and register clks with a single of_device_id
data.

Signed-off-by: David Yang <[e-mail]>
---
 drivers/clk/hisilicon/clk-hi3519.c | 127 ++++-------------------------
 1 file changed, 15 insertions(+), 112 deletions(-)

Patch

diff --git a/drivers/clk/hisilicon/clk-hi3519.c b/drivers/clk/hisilicon/clk-hi3519.c
index b871872d9960..cb541de752da 100644
--- a/drivers/clk/hisilicon/clk-hi3519.c
+++ b/drivers/clk/hisilicon/clk-hi3519.c
@@ -10,7 +10,7 @@ 
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include "clk.h"
-#include "reset.h"
+#include "crg.h"
 
 #define HI3519_INNER_CLK_OFFSET	64
 #define HI3519_FIXED_24M	65
@@ -73,130 +73,33 @@  static const struct hisi_gate_clock hi3519_gate_clks[] = {
 		CLK_SET_RATE_PARENT, 0xe4, 18, 0, },
 };
 
-static struct hisi_clock_data *hi3519_clk_register(struct platform_device *pdev)
-{
-	struct hisi_clock_data *clk_data;
-	int ret;
-
-	clk_data = hisi_clk_alloc(pdev, HI3519_NR_CLKS);
-	if (!clk_data)
-		return ERR_PTR(-ENOMEM);
-
-	ret = hisi_clk_register_fixed_rate(hi3519_fixed_rate_clks,
-				     ARRAY_SIZE(hi3519_fixed_rate_clks),
-				     clk_data);
-	if (ret)
-		return ERR_PTR(ret);
-
-	ret = hisi_clk_register_mux(hi3519_mux_clks,
-				ARRAY_SIZE(hi3519_mux_clks),
-				clk_data);
-	if (ret)
-		goto unregister_fixed_rate;
-
-	ret = hisi_clk_register_gate(hi3519_gate_clks,
-				ARRAY_SIZE(hi3519_gate_clks),
-				clk_data);
-	if (ret)
-		goto unregister_mux;
-
-	ret = of_clk_add_provider(pdev->dev.of_node,
-			of_clk_src_onecell_get, &clk_data->clk_data);
-	if (ret)
-		goto unregister_gate;
-
-	return clk_data;
-
-unregister_fixed_rate:
-	hisi_clk_unregister_fixed_rate(hi3519_fixed_rate_clks,
-				ARRAY_SIZE(hi3519_fixed_rate_clks),
-				clk_data);
-
-unregister_mux:
-	hisi_clk_unregister_mux(hi3519_mux_clks,
-				ARRAY_SIZE(hi3519_mux_clks),
-				clk_data);
-unregister_gate:
-	hisi_clk_unregister_gate(hi3519_gate_clks,
-				ARRAY_SIZE(hi3519_gate_clks),
-				clk_data);
-	return ERR_PTR(ret);
-}
-
-static void hi3519_clk_unregister(struct platform_device *pdev)
-{
-	struct hi3519_crg_data *crg = platform_get_drvdata(pdev);
-
-	of_clk_del_provider(pdev->dev.of_node);
-
-	hisi_clk_unregister_gate(hi3519_gate_clks,
-				ARRAY_SIZE(hi3519_mux_clks),
-				crg->clk_data);
-	hisi_clk_unregister_mux(hi3519_mux_clks,
-				ARRAY_SIZE(hi3519_mux_clks),
-				crg->clk_data);
-	hisi_clk_unregister_fixed_rate(hi3519_fixed_rate_clks,
-				ARRAY_SIZE(hi3519_fixed_rate_clks),
-				crg->clk_data);
-}
-
-static int hi3519_clk_probe(struct platform_device *pdev)
-{
-	struct hi3519_crg_data *crg;
-
-	crg = devm_kmalloc(&pdev->dev, sizeof(*crg), GFP_KERNEL);
-	if (!crg)
-		return -ENOMEM;
-
-	crg->rstc = hisi_reset_init(pdev);
-	if (!crg->rstc)
-		return -ENOMEM;
-
-	crg->clk_data = hi3519_clk_register(pdev);
-	if (IS_ERR(crg->clk_data)) {
-		hisi_reset_exit(crg->rstc);
-		return PTR_ERR(crg->clk_data);
-	}
-
-	platform_set_drvdata(pdev, crg);
-	return 0;
-}
-
-static void hi3519_clk_remove(struct platform_device *pdev)
-{
-	struct hi3519_crg_data *crg = platform_get_drvdata(pdev);
-
-	hisi_reset_exit(crg->rstc);
-	hi3519_clk_unregister(pdev);
-}
-
+static const struct hisi_clocks hi3519_crg_clks = {
+	.nr = HI3519_NR_CLKS,
+	.fixed_rate_clks = hi3519_fixed_rate_clks,
+	.fixed_rate_clks_num = ARRAY_SIZE(hi3519_fixed_rate_clks),
+	.mux_clks = hi3519_mux_clks,
+	.mux_clks_num = ARRAY_SIZE(hi3519_mux_clks),
+	.gate_clks = hi3519_gate_clks,
+	.gate_clks_num = ARRAY_SIZE(hi3519_gate_clks),
+};
 
 static const struct of_device_id hi3519_clk_match_table[] = {
-	{ .compatible = "hisilicon,hi3519-crg" },
+	{ .compatible = "hisilicon,hi3519-crg",
+	  .data = &hi3519_crg_clks },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, hi3519_clk_match_table);
 
 static struct platform_driver hi3519_clk_driver = {
-	.probe          = hi3519_clk_probe,
-	.remove_new	= hi3519_clk_remove,
+	.probe = hisi_crg_probe,
+	.remove_new = hisi_crg_remove,
 	.driver         = {
 		.name   = "hi3519-clk",
 		.of_match_table = hi3519_clk_match_table,
 	},
 };
 
-static int __init hi3519_clk_init(void)
-{
-	return platform_driver_register(&hi3519_clk_driver);
-}
-core_initcall(hi3519_clk_init);
-
-static void __exit hi3519_clk_exit(void)
-{
-	platform_driver_unregister(&hi3519_clk_driver);
-}
-module_exit(hi3519_clk_exit);
+module_platform_driver(hi3519_clk_driver);
 
 MODULE_LICENSE("GPL v2");
 MODULE_DESCRIPTION("HiSilicon Hi3519 Clock Driver");