more fun with #openbsd 6.2 on a thinkpad T440p, the card reader is mentioned in dmesg but not showing up in /dev.

relevant dmesg snippet:

ppb0 at pci0 dev 28 function 0 "Intel 8 Series PCIE" rev 0xd4: msi
pci1 at ppb0 bus 2
rtsx0 at pci1 dev 0 function 0 "Realtek RTS5227 Card Reader" rev 0x01: msi
sdmmc0 at rtsx0: 4-bit

if i remove it, this gets spit out to the main tty:

sdmmc0: can't enable card

output of sysctl hw:

hw.disknames=sd0:95015e9e34efd2cd,cd0:
hw.diskcount=2

not doing sendbug first because $ISP likes to block smtp traffic that's not through their servers