[Kernel-packages] [Bug 1523178] Re: 1217:8520 [Dell Latitude E7450] O2 Micro, SD/MMC Card Reader doesn't work

Still present with Ubuntu 18.04.2 kernel 4.18.0-22-generic on a Dell E7250: lspci --nnk 01:00.0 SD Host controller [0805]: O2 Micro, Inc. SD/MMC Card Reader Controller [1217:8520] (rev 01) Subsystem: Dell SD/MMC Card Reader Controller [1028:062d] Kernel driver in use: sdhci-pci Kernel modules:

[Kernel-packages] [Bug 1553688] Re: Lenovo Y700-17ISK: mmc0: Unknown controller version (3)

Still present in bionic with HWE 18.04.2 (kernel 4.18.0-22). Card reader fails with high-speed SDXC. Confirmed upstream: https://bugzilla.kernel.org/show_bug.cgi?id=109231 lspci --nnk 01:00.0 SD Host controller [0805]: O2 Micro, Inc. SD/MMC Card Reader Controller [1217:8520] (rev 01) Sub