Re: [RFC PATCH 3/3] clk: lan966x: Extend lan966x clock driver for clock gating support

From: Stephen Boyd
Date: Fri Oct 29 2021 - 02:42:02 EST


Quoting Horatiu Vultur (2021-10-19 01:44:49)
> diff --git a/drivers/clk/clk-lan966x.c b/drivers/clk/clk-lan966x.c
> index 19bec94e1551..40be47092a31 100644
> --- a/drivers/clk/clk-lan966x.c
> +++ b/drivers/clk/clk-lan966x.c
> @@ -188,26 +202,64 @@ static struct clk_hw *lan966x_gck_clk_register(struct device *dev, int i)
> return &priv->hw;
> };
>
> +static int lan966x_gate_clk_register(struct device *dev,
> + struct clk_hw_onecell_data *hw_data,
> + void __iomem *gate_base)
> +{
> + int i;
> +
> + for (i = GCK_GATE_UHPHS; i < N_CLOCKS; ++i) {
> + int idx = i - GCK_GATE_UHPHS;
> +
> + hw_data->hws[i] =
> + clk_hw_register_gate(dev, clk_gate_desc[idx].name,

Use devm?

> + "lan966x", 0, base,
> + clk_gate_desc[idx].bit_idx,
> + 0, &clk_gate_lock);
> +
> + if (IS_ERR(hw_data->hws[i]))
> + return dev_err_probe(dev, PTR_ERR(hw_data->hws[i]),
> + "failed to register %s clock\n",
> + clk_gate_desc[idx].name);
> + }
> +
> + return 0;
> +}
> +
> +static void lan966x_gate_clk_unregister(struct clk_hw_onecell_data *hw_data)
> +{
> + int i;
> +
> + for (i = GCK_GATE_UHPHS; i < N_CLOCKS; ++i)

for (int i =

should suffice

> + if (!IS_ERR(hw_data->hws[i]))
> + clk_hw_unregister(hw_data->hws[i]);
> +}
> +