[PATCH v3 03/14] clk: hisilicon: hi3516cv300: Use helper functions

David Yang
2023-04-10T11:08:38Z

drivers/clk/hisilicon/crg-hi3516cv300.c | 172 +++---------------------
1 file changed, 17 insertions(+), 155 deletions(-)

diff --git a/drivers/clk/hisilicon/crg-hi3516cv300.c b/drivers/clk/hisilicon/crg-hi3516cv300.c
index 5d4e61c7a429..992b9c16ce7e 100644
--- a/drivers/clk/hisilicon/crg-hi3516cv300.c
+++ b/drivers/clk/hisilicon/crg-hi3516cv300.c
@@ -12,7 +12,6 @@
#include <linux/platform_device.h>
#include "clk.h"
#include "crg.h"
-#include "reset.h"

/* hi3516CV300 core CRG */
#define HI3516CV300_INNER_CLK_OFFSET 64
@@ -126,67 +125,14 @@ static const struct hisi_gate_clock hi3516cv300_gate_clks[] = {
{ HI3516CV300_USB2_PHY_CLK, "clk_usb2_phy", NULL, 0, 0xb8, 7, 0, },
};

-static struct hisi_clock_data *hi3516cv300_clk_register(
- struct platform_device *pdev)
-{
- struct hisi_clock_data *clk_data;
- int ret;
-
- clk_data = hisi_clk_alloc(pdev, HI3516CV300_CRG_NR_CLKS);
- if (!clk_data)
- return ERR_PTR(-ENOMEM);
-
- ret = hisi_clk_register_fixed_rate(hi3516cv300_fixed_rate_clks,
- ARRAY_SIZE(hi3516cv300_fixed_rate_clks), clk_data);
- if (ret)
- return ERR_PTR(ret);
-
- ret = hisi_clk_register_mux(hi3516cv300_mux_clks,
- ARRAY_SIZE(hi3516cv300_mux_clks), clk_data);
- if (ret)
- goto unregister_fixed_rate;
-
- ret = hisi_clk_register_gate(hi3516cv300_gate_clks,
- ARRAY_SIZE(hi3516cv300_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_gate:
- hisi_clk_unregister_gate(hi3516cv300_gate_clks,
- ARRAY_SIZE(hi3516cv300_gate_clks), clk_data);
-unregister_mux:
- hisi_clk_unregister_mux(hi3516cv300_mux_clks,
- ARRAY_SIZE(hi3516cv300_mux_clks), clk_data);
-unregister_fixed_rate:
- hisi_clk_unregister_fixed_rate(hi3516cv300_fixed_rate_clks,
- ARRAY_SIZE(hi3516cv300_fixed_rate_clks), clk_data);
- return ERR_PTR(ret);
-}
-
-static void hi3516cv300_clk_unregister(struct platform_device *pdev)
-{
- struct hisi_crg_dev *crg = platform_get_drvdata(pdev);
-
- of_clk_del_provider(pdev->dev.of_node);
-
- hisi_clk_unregister_gate(hi3516cv300_gate_clks,
- ARRAY_SIZE(hi3516cv300_gate_clks), crg->clk_data);
- hisi_clk_unregister_mux(hi3516cv300_mux_clks,
- ARRAY_SIZE(hi3516cv300_mux_clks), crg->clk_data);
- hisi_clk_unregister_fixed_rate(hi3516cv300_fixed_rate_clks,
- ARRAY_SIZE(hi3516cv300_fixed_rate_clks), crg->clk_data);
-}
-
-static const struct hisi_crg_funcs hi3516cv300_crg_funcs = {
- .register_clks = hi3516cv300_clk_register,
- .unregister_clks = hi3516cv300_clk_unregister,
+static const struct hisi_clocks hi3516cv300_crg_clks = {
+ .nr = HI3516CV300_CRG_NR_CLKS,
+ .fixed_rate_clks = hi3516cv300_fixed_rate_clks,
+ .fixed_rate_clks_num = ARRAY_SIZE(hi3516cv300_fixed_rate_clks),
+ .mux_clks = hi3516cv300_mux_clks,
+ .mux_clks_num = ARRAY_SIZE(hi3516cv300_mux_clks),
+ .gate_clks = hi3516cv300_gate_clks,
+ .gate_clks_num = ARRAY_SIZE(hi3516cv300_gate_clks),
};

/* hi3516CV300 sysctrl CRG */
@@ -200,119 +146,35 @@ static const struct hisi_mux_clock hi3516cv300_sysctrl_mux_clks[] = {
CLK_SET_RATE_PARENT, 0x0, 23, 1, 0, wdt_mux_table, },
};

-static struct hisi_clock_data *hi3516cv300_sysctrl_clk_register(
- struct platform_device *pdev)
-{
- struct hisi_clock_data *clk_data;
- int ret;
-
- clk_data = hisi_clk_alloc(pdev, HI3516CV300_SYSCTRL_NR_CLKS);
- if (!clk_data)
- return ERR_PTR(-ENOMEM);
-
- ret = hisi_clk_register_mux(hi3516cv300_sysctrl_mux_clks,
- ARRAY_SIZE(hi3516cv300_sysctrl_mux_clks), clk_data);
- if (ret)
- return ERR_PTR(ret);
-
-
- ret = of_clk_add_provider(pdev->dev.of_node,
- of_clk_src_onecell_get, &clk_data->clk_data);
- if (ret)
- goto unregister_mux;
-
- return clk_data;
-
-unregister_mux:
- hisi_clk_unregister_mux(hi3516cv300_sysctrl_mux_clks,
- ARRAY_SIZE(hi3516cv300_sysctrl_mux_clks), clk_data);
- return ERR_PTR(ret);
-}
-
-static void hi3516cv300_sysctrl_clk_unregister(struct platform_device *pdev)
-{
- struct hisi_crg_dev *crg = platform_get_drvdata(pdev);
-
- of_clk_del_provider(pdev->dev.of_node);
-
- hisi_clk_unregister_mux(hi3516cv300_sysctrl_mux_clks,
- ARRAY_SIZE(hi3516cv300_sysctrl_mux_clks),
- crg->clk_data);
-}
-
-static const struct hisi_crg_funcs hi3516cv300_sysctrl_funcs = {
- .register_clks = hi3516cv300_sysctrl_clk_register,
- .unregister_clks = hi3516cv300_sysctrl_clk_unregister,
+static const struct hisi_clocks hi3516cv300_sysctrl_clks = {
+ .nr = HI3516CV300_SYSCTRL_NR_CLKS,
+ .mux_clks = hi3516cv300_sysctrl_mux_clks,
+ .mux_clks_num = ARRAY_SIZE(hi3516cv300_sysctrl_mux_clks),
};

static const struct of_device_id hi3516cv300_crg_match_table[] = {
{
.compatible = "hisilicon,hi3516cv300-crg",
- .data = &hi3516cv300_crg_funcs
+ .data = &hi3516cv300_crg_clks,
},
{
.compatible = "hisilicon,hi3516cv300-sysctrl",
- .data = &hi3516cv300_sysctrl_funcs
+ .data = &hi3516cv300_sysctrl_clks,
},
{ }
};
MODULE_DEVICE_TABLE(of, hi3516cv300_crg_match_table);

-static int hi3516cv300_crg_probe(struct platform_device *pdev)
-{
- struct hisi_crg_dev *crg;
-
- crg = devm_kmalloc(&pdev->dev, sizeof(*crg), GFP_KERNEL);
- if (!crg)
- return -ENOMEM;
-
- crg->funcs = of_device_get_match_data(&pdev->dev);
- if (!crg->funcs)
- return -ENOENT;
-
- crg->rstc = hisi_reset_init(pdev);
- if (!crg->rstc)
- return -ENOMEM;
-
- crg->clk_data = crg->funcs->register_clks(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 int hi3516cv300_crg_remove(struct platform_device *pdev)
-{
- struct hisi_crg_dev *crg = platform_get_drvdata(pdev);
-
- hisi_reset_exit(crg->rstc);
- crg->funcs->unregister_clks(pdev);
- return 0;
-}
-
static struct platform_driver hi3516cv300_crg_driver = {
- .probe = hi3516cv300_crg_probe,
- .remove = hi3516cv300_crg_remove,
+ .probe = hisi_crg_probe,
+ .remove = hisi_crg_remove,
.driver = {
.name = "hi3516cv300-crg",
.of_match_table = hi3516cv300_crg_match_table,
},
};

-static int __init hi3516cv300_crg_init(void)
-{
- return platform_driver_register(&hi3516cv300_crg_driver);
-}
-core_initcall(hi3516cv300_crg_init);
-
-static void __exit hi3516cv300_crg_exit(void)
-{
- platform_driver_unregister(&hi3516cv300_crg_driver);
-}
-module_exit(hi3516cv300_crg_exit);
+module_platform_driver(hi3516cv300_crg_driver);

MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("HiSilicon Hi3516CV300 CRG Driver");
--
2.39.2