Quoting Ryder Lee (2018-03-06 01:09:28)
> +
> +static const struct of_device_id of_match_clk_mt2701_aud[] = {
> + { .compatible = "mediatek,mt2701-audsys", },
> + {}
> +};
> +
> +static int clk_mt2701_aud_probe(struct platform_device *pdev)
> +{
> + struct clk_onecell_data *clk_data;
> + struct device_node *node = pdev->dev.of_node;
> + int r;
> +
> + clk_data = mtk_alloc_clk_data(CLK_AUD_NR);
> +
> + mtk_clk_register_gates(node, audio_clks, ARRAY_SIZE(audio_clks),
> + clk_data);
> +
> + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
> + if (r) {
> + dev_err(&pdev->dev,
> + "could not register clock provider: %s: %d\n",
> + pdev->name, r);
> +
> + return r;
> + }
This fails to remove the clk provider when devm_of_platform_populate()
returns an error.
> +
> + return devm_of_platform_populate(&pdev->dev);
> +}
> +
> +static struct platform_driver clk_mt2701_aud_drv = {
> + .probe = clk_mt2701_aud_probe,
> + .driver = {
> + .name = "clk-mt2701-aud",
> + .of_match_table = of_match_clk_mt2701_aud,
> + },
> +};
> +
> +builtin_platform_driver(clk_mt2701_aud_drv);
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