[alsa-devel] ASoC: Failed to create component debugfs directory

[Fabio Estevam]

On Mon, Feb 19, 2018 at 3:49 PM, Fabio Estevam <festevam at gmail.com> wrote:
> Hi,
>
> On linux-next I see the following errors on imx6 wandboard:
>
> [    3.040897] fsl-ssi-dai 2028000.ssi: ASoC: Failed to create
> component debugfs directory
> [    3.065722] fsl-spdif-dai 2004000.spdif: ASoC: Failed to create
> component debugfs directory
>
> I haven't started debugging this yet and not sure if this is something
> fsl driver specific.

This is not fsl sound specific as I see the same warnings in
kernelci.org boot logs with other SoCs.

The failures happens because we are trying to create debugfs twice:

[    2.122894] mmc1: new SDIO card at address 0001
[    2.150560] fsl-asoc-card sound: ASoC: CPU DAI (null) not registered
[    2.160601] fsl-ssi-dai 2028000.ssi: No cache defaults, reading back from HW
[    2.326140] [drm] Cannot find any crtc or sizes
[    2.538048] ******** component name is 2028000.ssi
[    2.542911] fsl-ssi-dai 2028000.ssi: ASoC: Succeeded in creating
component debugfs directory
[    2.551513] ******** component name is sgtl5000.1-000a
[    2.556761] sgtl5000 1-000a: ASoC: Succeeded in creating component
debugfs directory
[    2.580521] ******** component name is 2028000.ssi
[    2.585552] fsl-ssi-dai 2028000.ssi: ASoC: Failed to create
component debugfs directory
[    2.601344] imx-sgtl5000 sound: sgtl5000 <-> 2028000.ssi mapping ok
[    2.620625] ******** component name is 2004000.spdif
[    2.625867] fsl-spdif-dai 2004000.spdif: ASoC: Succeeded in
creating component debugfs directory
[    2.634754] ******** component name is 2004000.spdif
[    2.639850] fsl-spdif-dai 2004000.spdif: ASoC: Failed to create
component debugfs directory
[    2.652127] imx-spdif sound-spdif: snd-soc-dummy-dai <->
2004000.spdif mapping ok

Any ideas why this second debugfs registration is being attempted?