Hi Chanwoo,
On 07/15/2016 07:18 AM, Chanwoo Choi wrote:
>> +static int tm2_probe(struct platform_device *pdev)
>> +{
>> + struct device *dev = &pdev->dev;
>> + codec_dai_node = of_parse_phandle(dev->of_node, "audio-codec", 0);
>> + if (!codec_dai_node) {
>> + dev_err(dev, "audio-codec property invalid or missing\n");
>> + ret = -EINVAL;
>> + goto err_put_cpu_dai;
>> + }
>> + priv->codec_mclk1 = of_clk_get_by_name(codec_dai_node, "mclk1");
>> + if (IS_ERR(priv->codec_mclk1)) {
>> + dev_err(dev, "Failed to get mclk1 clock\n");
>> + ret = PTR_ERR(priv->codec_mclk1);
>> + goto err_put_codec_dai;
>> + }
>
> I think that you better to use the devm_clk_get() instead of of_clk_get_by_name()
> because you don't need to handle the clk_put() when error happen and remove the
> this driver.
>
> priv->codec_mclk1 = devm_clk_get(dev, "mclk1");
The clocks are from the CODEC DT node, for which we don't have struct
device pointer here, that's why I used of_clk_get_by_name().
--
Thanks,
Sylwester
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