Without prefix debugfs can't properly create component debug information tree when driver register more than one component per device, in this case two. Fix this. debugfs: Directory 'fef00700.hdmi' with parent 'vc4-hdmi-0' already present! Signed-off-by: Ivan T. Ivanov <iivanov@xxxxxxx> --- drivers/gpu/drm/vc4/vc4_hdmi.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index aab1b36ceb3c..62b057f88df5 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -1523,6 +1523,9 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi) struct snd_soc_dai_link *dai_link = &vc4_hdmi->audio.link; struct snd_soc_card *card = &vc4_hdmi->audio.card; struct device *dev = &vc4_hdmi->pdev->dev; +#ifdef CONFIG_DEBUG_FS + struct snd_soc_component *comp; +#endif const __be32 *addr; int index; int ret; @@ -1577,6 +1580,16 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi) return ret; } +#ifdef CONFIG_DEBUG_FS + comp = snd_soc_lookup_component(dev, vc4_hdmi_audio_cpu_dai_comp.name); + if (comp) + comp->debugfs_prefix = "cpu"; + + comp = snd_soc_lookup_component(dev, vc4_hdmi_audio_component_drv.name); + if (comp) + comp->debugfs_prefix = "codec"; +#endif + dai_link->cpus = &vc4_hdmi->audio.cpu; dai_link->codecs = &vc4_hdmi->audio.codec; dai_link->platforms = &vc4_hdmi->audio.platform; -- 2.32.0
