Re: [PATCH RESEND v2] drm/vc4: fix infinite EPROBE_DEFER loop

2025-06-10 Thread Maxime Ripard
On Sun, 01 Jun 2025 12:45:36 -0400, 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 returning

[PATCH RESEND v2] drm/vc4: fix infinite EPROBE_DEFER loop

2025-06-01 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