On Tue, 11 Dec 2018 22:23:05 +0100,
Pierre-Louis Bossart wrote:
>
> +static int sof_probe(struct platform_device *pdev)
> +{
....
> + /* register any debug/trace capabilities */
> + ret = snd_sof_dbg_init(sdev);
> + if (ret < 0) {
> + dev_err(sdev->dev, "error: failed to init DSP trace/debug %d\n",
> + ret);
> + goto dbg_err;
> + }
So that's the problem Andy suggested.
snd_sof_dbg_init() returns an error for whatever reason, and this is
considered as a fatal error and the probe fails. The error about
debugfs is no fatal error, it should continue.
Moreover, as I mentioned for another patch (I read that before this
one due to the mail delivery order :), it would fail always when
CONFIG_DEBUGFS=n. At best, create a wrapper for CONFIG_DEBUGFS=n to
return 0 (and void for free).
thanks,
Takashi
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