Re: [PATCH] drm/vc4: fix infinite EPROBE_DEFER loop

2025-04-28 Thread Dave Stevenson
Hi Gabriel On Sat, 26 Apr 2025 at 07:23, Gabriel Dalimonte wrote: > > `vc4_hdmi_audio_init` calls `devm_snd_dmaengine_pcm_register` which may > return EPROBE_DEFER. Calling `drm_connector_hdmi_audio_init` adds a > child device. The driver model docs[1] state that adding a child device > prior to

[PATCH] drm/vc4: fix infinite EPROBE_DEFER loop

2025-04-27 Thread Gabriel Dalimonte
`vc4_hdmi_audio_init` calls `devm_snd_dmaengine_pcm_register` which may return EPROBE_DEFER. Calling `drm_connector_hdmi_audio_init` adds a child device. The driver model docs[1] state that adding a child device prior to returning EPROBE_DEFER may result in an infinite loop. [1] https://www.kernel