Re: [PATCH 2/3] clk: fixed-factor: Convert into a module platform driver

From: Stephen Boyd
Date: Wed Jun 15 2016 - 20:47:49 EST


On 06/08, Ricardo Ribalda Delgado wrote:
> if (of_property_read_u32(node, "clock-mult", &mult)) {
> pr_err("%s Fixed factor clock <%s> must have a clock-mult property\n",
> __func__, node->name);
> - return;
> + return ERR_PTR(-EIO);
> }
>
> of_property_read_string(node, "clock-output-names", &clk_name);
> @@ -171,8 +172,67 @@ void __init of_fixed_factor_clk_setup(struct device_node *node)
> mult, div);
> if (!IS_ERR(clk))
> of_clk_add_provider(node, of_clk_src_simple_get, clk);

What if this fails now?

> +
> + return clk;
> +}
> +
[..]
> +
> +static const struct of_device_id of_fixed_factor_clk_ids[] = {
> + {
> + .compatible = "fixed-factor-clock",
> + },
> + { },
> +};

Nitpick: Do it this way:

static const struct of_device_id of_fixed_factor_clk_ids[] = {
{ .compatible = "fixed-factor-clock" },
{ }
};

> +MODULE_DEVICE_TABLE(of, of_fixed_factor_clk_ids);
> +
> +static struct platform_driver of_fixed_factor_clk_driver = {
> + .driver = {
> + .name = "of_fixed_factor_clk",
> + .of_match_table = of_fixed_factor_clk_ids,
> + },
> + .probe = of_fixed_factor_clk_probe,
> + .remove = of_fixed_factor_clk_remove,
> +};
> +
> +module_platform_driver(of_fixed_factor_clk_driver);
> +

This should be builtin_platform_driver() because these are obj-y
right now.

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