sximmc(4): "broken-cd" device-tree binding

hello, I am trying to boot OpenBSD on LicheePi Zero (Allwinner V3s) and I found this board has "broken-cd" DT binding. So we cannot attach microSD device without sximmc(4) modification. There is an idea that treat broken-cd as non-removable; always card is present, like attached diff. But broken

H5 SOC system instability - panic: amap_pp_adjref: negative reference count

My orangepi pc2 will eventually crash with always the same symptom " panic: amap_pp_adjref: negative reference count" if pushed with enough work and network traffic. I can compile the kernel successfully as long as I stay off the lan during the processing. I have also tested the system with stress.