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Date: Tue, 21 Mar 2023 10:34:28 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: David Yang <mmyangfl@...il.com>
Cc: David Yang <mmyangfl@...il.com>,
Michael Turquette <mturquette@...libre.com>,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 2/5] clk: hisilicon: Extract common functions
Quoting David Yang (2023-03-20 13:40:35)
> To be reused with other Hi3798 series SoCs.
>
> Signed-off-by: David Yang <mmyangfl@...il.com>
> ---
Please squash this patch in
---8<---
diff --git a/drivers/clk/hisilicon/crg-hi3798.c b/drivers/clk/hisilicon/crg-hi3798.c
index 3a8d70b7c8ec..0d6886bca3ba 100644
--- a/drivers/clk/hisilicon/crg-hi3798.c
+++ b/drivers/clk/hisilicon/crg-hi3798.c
@@ -203,8 +203,9 @@ struct hi3798_clks {
int complex_clks_nums;
};
-static struct hisi_clock_data *hi3798_clk_register(
- struct platform_device *pdev, const struct hi3798_clks *clks)
+static struct hisi_clock_data *
+hi3798_clk_register(struct platform_device *pdev,
+ const struct hi3798_clks *clks)
{
struct hisi_clock_data *clk_data;
int ret;
@@ -257,8 +258,8 @@ static struct hisi_clock_data *hi3798_clk_register(
return ERR_PTR(ret);
}
-static void hi3798_clk_unregister(
- struct platform_device *pdev, const struct hi3798_clks *clks)
+static void hi3798_clk_unregister(struct platform_device *pdev,
+ const struct hi3798_clks *clks)
{
struct hisi_crg_dev *crg = platform_get_drvdata(pdev);
@@ -276,8 +277,9 @@ static void hi3798_clk_unregister(
#define HI3798_SYSCTRL_NR_CLKS 16
-static struct hisi_clock_data *hi3798_sysctrl_clk_register(
- struct platform_device *pdev, const struct hi3798_clks *clks)
+static struct hisi_clock_data *
+hi3798_sysctrl_clk_register(struct platform_device *pdev,
+ const struct hi3798_clks *clks)
{
struct hisi_clock_data *clk_data;
int ret;
@@ -302,8 +304,8 @@ static struct hisi_clock_data *hi3798_sysctrl_clk_register(
return ERR_PTR(ret);
}
-static void hi3798_sysctrl_clk_unregister(
- struct platform_device *pdev, const struct hi3798_clks *clks)
+static void hi3798_sysctrl_clk_unregister(struct platform_device *pdev,
+ const struct hi3798_clks *clks)
{
struct hisi_crg_dev *crg = platform_get_drvdata(pdev);
@@ -623,8 +625,8 @@ static const struct hi3798_clks hi3798cv200_crg_clks = {
.phase_clks_nums = ARRAY_SIZE(hi3798mv100_phase_clks),
};
-static struct hisi_clock_data *hi3798cv200_clk_register(
- struct platform_device *pdev)
+static struct hisi_clock_data *
+hi3798cv200_clk_register(struct platform_device *pdev)
{
return hi3798_clk_register(pdev, &hi3798cv200_crg_clks);
}
@@ -653,8 +655,8 @@ static const struct hi3798_clks hi3798cv200_sysctrl_clks = {
.gate_clks_nums = ARRAY_SIZE(hi3798cv200_sysctrl_gate_clks),
};
-static struct hisi_clock_data *hi3798cv200_sysctrl_clk_register(
- struct platform_device *pdev)
+static struct hisi_clock_data *
+hi3798cv200_sysctrl_clk_register(struct platform_device *pdev)
{
return hi3798_sysctrl_clk_register(pdev, &hi3798cv200_sysctrl_clks);
}
> diff --git a/drivers/clk/hisilicon/crg-hi3798.c b/drivers/clk/hisilicon/crg-hi3798.c
> index 7e9507de2..2f8f14e73 100644
> --- a/drivers/clk/hisilicon/crg-hi3798.c
> +++ b/drivers/clk/hisilicon/crg-hi3798.c
> @@ -59,6 +59,119 @@ static const struct hisi_fixed_rate_clock hi3798_fixed_rate_clks[] = {
> { HI3798_FIXED_250M, "250m", NULL, 0, 250000000, },
> };
>
> +struct hi3798_clks {
> + const struct hisi_gate_clock *gate_clks;
> + int gate_clks_nums;
> + const struct hisi_mux_clock *mux_clks;
> + int mux_clks_nums;
> + const struct hisi_phase_clock *phase_clks;
> + int phase_clks_nums;
> +};
> +
> +static struct hisi_clock_data *hi3798_clk_register(
> + struct platform_device *pdev, const struct hi3798_clks *clks)
> +{
> + struct hisi_clock_data *clk_data;
> + int ret;
> +
> + clk_data = hisi_clk_alloc(pdev, HI3798_CRG_NR_CLKS);
> + if (!clk_data)
> + return ERR_PTR(-ENOMEM);
> +
> + /* hisi_phase_clock is resource managed */
> + ret = hisi_clk_register_phase(&pdev->dev, clks->phase_clks,
> + clks->phase_clks_nums, clk_data);
> + if (ret)
> + return ERR_PTR(ret);
> +
> + ret = hisi_clk_register_fixed_rate(hi3798_fixed_rate_clks,
> + ARRAY_SIZE(hi3798_fixed_rate_clks),
> + clk_data);
> + if (ret)
> + return ERR_PTR(ret);
> +
> + ret = hisi_clk_register_mux(clks->mux_clks, clks->mux_clks_nums, clk_data);
> + if (ret)
> + goto unregister_fixed_rate;
> +
> + ret = hisi_clk_register_gate(clks->gate_clks, clks->gate_clks_nums, clk_data);
Please make a follow-up patch that passes the pdev->dev pointer to these
registration functions so they can use devm APIs.
> + if (ret)
> + goto unregister_mux;
> +
> + ret = of_clk_add_provider(pdev->dev.of_node,
Please make a follow-up patch that migrates this to
devm_of_clk_add_hw_provider.
> + of_clk_src_onecell_get, &clk_data->clk_data);
> + if (ret)
> + goto unregister_gate;
> +
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