On Fri, 7 Feb 2025 at 16:08, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > Instrumenting all dev->power.completion accesses in > drivers/base/power/main.c reveals that resume is blocked in dpm_wait() > in the call to wait_for_completion() for regulator-1p2v, which is > indeed a dependency for the SN65DSI86 DSI-DP bridge. Comparing [...] > Looking at /sys/devices/virtual/devlink, the non-working case has the > following extra entries: Note that the SN65DSI86 DSI-DP bridge driver uses the auxiliary bus to create four subdevices: - ti_sn65dsi86.aux.0, - ti_sn65dsi86.bridge.0, - ti_sn65dsi86.gpio.0, - ti_sn65dsi86.pwm.0. None of them have supplier:* symlinks in sysfs, so perhaps that is the root cause of the issue? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds